WO2001052371A9 - Optical pulse synthesis using brillouin selective sideband amplification - Google Patents
Optical pulse synthesis using brillouin selective sideband amplificationInfo
- Publication number
- WO2001052371A9 WO2001052371A9 PCT/US2001/000863 US0100863W WO0152371A9 WO 2001052371 A9 WO2001052371 A9 WO 2001052371A9 US 0100863 W US0100863 W US 0100863W WO 0152371 A9 WO0152371 A9 WO 0152371A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- pump
- optical
- modulation
- signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
Abstract
Techniques for producing optical pulses based on Brillouin selective sideband amplification by using a common modulation control signal (107) to modulate both a signal beam (104) to produce multiple sideband signals and a single pump beam (152) to produce multiple pump beams.
Claims
1. A device, comprising: a signal generator operable to produce a signal beam at a signal frequency; a pump generator operable to produce a pump beam at a pump frequency that is different from said signal frequency; a polarizing beam splitter positioned to receive said signal beam in a first linear polarization at a first port and said pump beam in a second linear polarization orthogonal to said first linear polarization at a second port to output said signal and said pump beams at a third port; an optical medium positioned to receive said signal beam and said pump beam from said polarizing beam splitter, said optical medium exhibiting a Brillouin effect in response to said pump beam to produce at least one Brillouin signal that propagates opposite to a direction of said pump beam; and a polarization-rotating reflector positioned to receive a transmitted optical beam from said optical medium and reflect said transmitted optical beam back to said optical medium after rotating a polarization of said transmitted optical beam by 90 degrees.
-20-
2. The device as in claim 1, wherein said signal generator is operable to modulate said signal beam to carry modulation signals in response to a modulation control signal, and wherein said pump generator is operable to modulate said pump beam to carry modulation pump signals in response to said modulation control signal, said modulation pump signals having a frequency spacing substantially equal to a frequency spacing of said modulation signals in said signal beam.
3. The device as in claim 2, wherein said pump generator includes a pump laser that is tunable in frequency and produces said pump beam, and an optical modulator to modulate said pump beam, said device further comprising: an optical detector positioned to receive a portion of an output optical signal from said second port of said polarizing beam splitter to produce a detector output signal; a circuit element coupled to receive said detector output signal and to produce a laser control signal; and a laser control unit, coupled to said circuit element and said pump laser and operable to tune said pump frequency of said pump laser according to said laser control signal.
-21-
4. The device as in claim 2, wherein said signal generator includes: a signal laser which produces said signal beam; a signal source which produces said modulation control signal; and a signal optical modulator positioned to receive and modulate said signal beam and coupled to receive said modulation control signal from said signal source.
5. The device as in claim 4, wherein said pump generator includes: a pump laser which produces said pump beam; and a pump optical modulator positioned to receive and modulate said pump beam and coupled to receive said modulation control signal from said signal source.
6. The device as in claim 1, wherein said signal generator includes: a signal laser which produces said signal beam; a signal optical modulator positioned to receive and modulate said signal beam to produce modulation signals in said signal beam in response to a modulation control signal; and
-22- a feedback loop having an optical portion that receives a portion of said signal beam output from said optical modulator, an optical delay element in said optical portion, and a photodetector converting said portion into a detector output signal, wherein said feedback loop is operable to produce said modulation control signal from said detector output signal.
7. A device, comprising: a signal generator operable to produce a signal beam at a signal frequency and to modulate said signal beam to carry modulation signals in response to a modulation control signal; a pump laser operable to produce a pump beam at a pump frequency that is different from said signal frequency; a pump optical modulator positioned to receive said pump beam and operable to modulate said pump beam to carry modulation pump signals in response to said modulation control signal, said modulation pump signals having a frequency spacing substantially equal to a frequency spacing of said modulation signals in said signal beam; and an optical medium positioned to receive said signal beam and said pump beam, said optical medium exhibiting a Brillouin effect in response to said
-23- modulation pump signals in said pump beam to produce Brillouin signals that propagate opposite to a direction of said pump beam, wherein said Brillouin signals propagate in the same direction as said signal beam and respectively overlap with selected modulation signals in said signal beam in frequency to amplify said selected modulation signals.
8. The device as in claim 7, further comprising: a polarizing beam splitter positioned to receive said signal beam from said signal generator in a first linear polarization and said pump beam from said pump optical modulator in a second linear polarization that is orthogonal to said first linear polarization, said polarizing beam splitter operable to output said signal and said pump beams in the same direction into said optical medium; and a polarization-rotating reflector positioned to receive a transmitted optical beam from said optical medium and reflect said transmitted optical beam back to said optical medium after rotating a polarization of said transmitted optical beam by 90 degrees.
9. The device as in claim 7, further comprising: an optical detector positioned to receive a portion of an output optical signal from said optical
~24~ medium that includes said amplified selected modulation signals to produce a detector output signal; a circuit element coupled to receive said detector output signal and to produce a laser control signal; and a laser control unit, coupled to said circuit element and said pump laser and operable to tune said pump frequency of said pump laser according to said laser control signal.
10. The device as in claim 7, wherein said signal generator includes: a signal laser which produces said signal beam; a signal source which produces said modulation control signal; and a signal optical modulator positioned to receive and modulate said signal beam and coupled to receive said modulation control signal from said signal source.
11. The device as in claim 7, wherein said signal generator includes: a signal laser which produces said signal beam; a signal optical modulator positioned to receive and modulate said signal beam to produce said modulation signals in said signal beam; and
-25- a feedback loop having an optical portion that receives a portion of said signal beam output from said optical modulator, an optical delay element in said optical portion, and a photodetector converting said portion into a detector output signal, wherein said feedback loop is operable to produce said modulation control signal from said detector output signal.
12. A method, comprising: providing an optical medium that exhibits a
Brillouin effect; coupling a pump beam into said optical medium from a first side of said optical medium along a first direction to produce at least one Brillouin signal that propagates against said first direction; controlling said pump beam to have a first linear polarization when entering said optical medium; coupling a signal beam into said optical medium from said first side along said first direction; controlling said pump beam to have second linear polarization orthogonal to said first linear polarization when entering said optical medium; reflecting said signal and said pump beams that transmit through said optical' medium from a second side that is opposite to said first side; and
-26- rotating a polarization of each of said signal and said pump beams by 90 degrees upon said reflection.
13. The method as in claim 12, further comprising modulating said signal and said pump beams according to a common modulation control signal before coupling said signal and said pump beams into said optical medium.
14. The method as in claim 13, wherein said modulation includes a modulation of a phase of said signal beam or said pump beam.
15. The method as in claim 13, wherein said modulation includes a modulation of an amplitude of said signal beam or said pump beam.
16. A method, comprising: producing a signal beam at a signal frequency and a pump beam at a pump frequency that is different from said signal frequency; using a common modulation control signal to modulate said signal beam to carry modulation signals and said pump beam to carry modulation pump signals, wherein a frequency spacing between two adjacent modulation pump signals is substantially equal to a frequency spacing of said modulation signals in said signal beam;
-27- coupling said pump beam into an optical medium which exhibits a Brillouin effect in response to said modulation pump signals to produce Brillouin signals that propagate opposite to a direction of said pump beam; coupling said signal beam into said optical medium to spatially overlap with said Brillouin signals and to propagate in the same direction of said Brillouin signals; and adjusting a frequency spacing between said signal frequency and said pump frequency to overlap frequencies of said Brillouin signals with frequencies of selected modulation signals in said signal beam to amplify said selected modulation signals.
17. The method as in claim 16, further comprising: controlling said pump beam to have a first linear polarization when entering said optical medium from a first side of said optical medium; controlling said signal beam to have a second linear polarization orthogonal to said first linear polarization and to enter said optical medium from said first side; and reflecting any optical signal that transmits through said optical medium from said first side to a second, opposite side after rotating a polarization of said any optical beam by 90 degrees.
-28-
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2001229353A AU2001229353A1 (en) | 2000-01-10 | 2001-01-10 | Optical pulse synthesis using brillouin selective sideband amplification |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17599100P | 2000-01-10 | 2000-01-10 | |
| US60/175,991 | 2000-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2001052371A1 WO2001052371A1 (en) | 2001-07-19 |
| WO2001052371A9 true WO2001052371A9 (en) | 2002-07-18 |
Family
ID=22642503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2001/000863 WO2001052371A1 (en) | 2000-01-10 | 2001-01-10 | Optical pulse synthesis using brillouin selective sideband amplification |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6476959B2 (en) |
| AU (1) | AU2001229353A1 (en) |
| WO (1) | WO2001052371A1 (en) |
Families Citing this family (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1266253A4 (en) * | 2000-03-22 | 2005-08-03 | California Inst Of Techn | Non-spherical whispering-gallery-mode microcavity |
| US7283707B1 (en) | 2001-07-25 | 2007-10-16 | Oewaves, Inc. | Evanescently coupling light between waveguides and whispering-gallery mode optical resonators |
| US6621619B2 (en) * | 2001-07-30 | 2003-09-16 | The United States Of America As Represented By The Secretary Of The Navy | Hybrid brillouin/erbium doped fiber amplifier apparatus and method |
| US6853479B1 (en) * | 2001-08-30 | 2005-02-08 | Oewaves, Inc. | Apparatus and method for coupling light between an optical resonator and a semiconductor chip with a minimum number of components and alignment steps |
| US6928091B1 (en) | 2001-09-26 | 2005-08-09 | Oewaves, Inc. | Opto-electronic oscillator including a tunable electro-optic filter |
| US7227686B1 (en) | 2002-01-22 | 2007-06-05 | General Photonics Corporation | Tunable PMD emulators and compensators |
| ITMI20020301A1 (en) * | 2002-02-15 | 2003-08-18 | Marconi Comm Spa | OPTICAL FIBER COMMUNICATION SYSTEM WITH BRILLOUIN EFFECT AMPLIFICATION |
| KR20030080932A (en) * | 2002-04-11 | 2003-10-17 | 오일환 | Method and Apparatus for generaion of squeezed pulses utilizing stimulated Brillouin scattering |
| US7154659B1 (en) | 2002-04-18 | 2006-12-26 | General Photonics Corporation | Optical depolarizers and DGD generators based on optical delay |
| US6987914B2 (en) * | 2002-05-17 | 2006-01-17 | California Institute Of Technology | Optical filter having coupled whispering-gallery-mode resonators |
| US6943934B1 (en) * | 2002-05-28 | 2005-09-13 | California Institute Of Technology | Nonlinear optical whispering gallery mode resonators |
| US7092591B2 (en) * | 2003-02-03 | 2006-08-15 | California Institute Of Technology | Tunable optical filters having electro-optic whispering-gallery-mode resonators |
| US7391977B2 (en) | 2003-03-12 | 2008-06-24 | General Photonics Corporation | Monitoring mechanisms for optical systems |
| US7133180B2 (en) * | 2003-06-03 | 2006-11-07 | Oewaves, Inc. | Resonant impedance matching in microwave and RF device |
| US7248763B1 (en) | 2003-07-03 | 2007-07-24 | Oewaves, Inc. | Optical resonators with reduced OH-content |
| WO2005008296A2 (en) * | 2003-07-03 | 2005-01-27 | Oewaves, Inc. | Optical coupling for whispering-gallery-mode resonators via waveguide gratings |
| US7796894B1 (en) | 2003-07-30 | 2010-09-14 | General Photonics Corporation | Reduction of noise and polarization mode dispersion (PMD) based on optical polarization stabilizer in fiber transmission |
| WO2005017607A2 (en) * | 2003-08-04 | 2005-02-24 | California Institute Of Technology | Opto-electronic feedback for stabilizing oscillators |
| US7184451B2 (en) * | 2003-10-15 | 2007-02-27 | Oewaves, Inc. | Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters |
| US7187870B2 (en) | 2003-10-15 | 2007-03-06 | Oewaves, Inc. | Tunable balanced opto-electronic filters and applications in opto-electronic oscillators |
| US7389053B1 (en) | 2003-10-15 | 2008-06-17 | Oewaves, Inc. | Tunable filtering of RF or microwave signals based on optical filtering in Mach-Zehnder configuration |
| US7587144B2 (en) * | 2004-01-12 | 2009-09-08 | Oewaves, Inc. | Tunable radio frequency and microwave photonic filters |
| US7218662B1 (en) | 2004-02-12 | 2007-05-15 | Oewaves, Inc. | Coupled opto-electronic oscillators with low noise |
| WO2005092050A2 (en) * | 2004-03-22 | 2005-10-06 | Oewaves, Inc. | Optical waveguide coupler for whispering-gallery-mode resonators |
| US7061335B2 (en) | 2004-04-15 | 2006-06-13 | Oewaves, Inc. | Processing of signals with regenerative opto-electronic circuits |
| US7362927B1 (en) | 2004-06-01 | 2008-04-22 | Oewaves, Inc. | Tunable RF or microwave photonic filters using temperature-balanced whispering gallery mode optical resonators |
| US7260279B2 (en) * | 2004-06-09 | 2007-08-21 | Oewaves, Inc. | Integrated opto-electronic oscillators |
| US7480425B2 (en) * | 2004-06-09 | 2009-01-20 | Oewaves, Inc. | Integrated opto-electronic oscillators |
| US7630417B1 (en) | 2004-06-24 | 2009-12-08 | California Institute Of Technology | Crystal whispering gallery mode optical resonators |
| DE102004037549A1 (en) * | 2004-08-03 | 2006-03-16 | Deutsche Telekom Ag | Device for generating and modulating a high-frequency signal |
| US7440651B1 (en) | 2004-11-17 | 2008-10-21 | California Institute Of Technology | Single mode whispering-gallery-mode resonator |
| US7555221B2 (en) * | 2004-12-23 | 2009-06-30 | Alcatel-Lucent Usa Inc. | Method and apparatus for polarization-independent RF spectrum analysis of an optical source |
| DE602005007908D1 (en) * | 2005-10-14 | 2008-08-14 | Nokia Siemens Networks Gmbh | Optical single sideband modulator |
| US7693419B1 (en) | 2005-11-23 | 2010-04-06 | General Photonics Corporation | Optical spectrum analysis using optical interferometry |
| US7634201B2 (en) * | 2006-09-05 | 2009-12-15 | Oewaves, Inc. | Wideband receiver based on photonics technology |
| US8073326B2 (en) * | 2006-12-06 | 2011-12-06 | General Photonics Corporation | Optical polarization division multiplexing in optical communication |
| US7723670B1 (en) | 2007-03-26 | 2010-05-25 | General Photonics Corporation | Optical differential group delay module with folded optical path |
| US7952711B1 (en) | 2007-03-26 | 2011-05-31 | General Photonics Corporation | Waveplate analyzer based on multiple tunable optical polarization rotators |
| US7755828B2 (en) * | 2007-04-05 | 2010-07-13 | The United States Of America As Represented By The Secretary Of The Navy | Method for optical control of microwave phase |
| US8124927B2 (en) | 2007-05-29 | 2012-02-28 | California Institute Of Technology | Detecting light in whispering-gallery-mode resonators |
| US7965745B2 (en) * | 2007-06-13 | 2011-06-21 | Oewaves, Inc. | RF and microwave receivers based on electro-optic optical whispering gallery mode resonators |
| US7929589B1 (en) | 2007-06-13 | 2011-04-19 | Oewaves, Inc. | Diffractive grating coupled whispering gallery mode resonators |
| JP5514102B2 (en) * | 2007-06-13 | 2014-06-04 | オーイーウェイブス，インコーポレーテッド | Tunable laser synchronized to whispering gallery mode resonator |
| US8164816B1 (en) | 2007-08-31 | 2012-04-24 | California Institute Of Technology | Stabilizing optical resonators |
| US8210044B1 (en) | 2007-10-12 | 2012-07-03 | California Institute Of Technology | Covert laser remote sensing and vibrometry |
| US8155913B2 (en) * | 2007-11-13 | 2012-04-10 | Oewaves, Inc. | Photonic-based cross-correlation homodyne detection with low phase noise |
| US8155914B2 (en) | 2007-11-13 | 2012-04-10 | Oewaves, Inc. | Measuring phase noise in radio frequency, microwave or millimeter signals based on photonic delay |
| WO2009064934A2 (en) * | 2007-11-13 | 2009-05-22 | Oewaves, Inc. | Cross modulation-based opto-electronic oscillator with tunable electro-optic optical whispering gallery mode resonator |
| US9360626B2 (en) | 2007-11-13 | 2016-06-07 | Anatoliy Savchenkov | Fiber-based multi-resonator optical filters |
| US7945130B2 (en) | 2007-11-15 | 2011-05-17 | General Photonics Corporation | Mode scrambling apparatus for multimode fiber |
| US8345238B2 (en) * | 2008-02-04 | 2013-01-01 | General Photonics Corporation | Measuring optical spectral property of light based on polarization analysis |
| US8422882B1 (en) | 2008-02-04 | 2013-04-16 | General Photonics Corporation | Monitoring polarization-mode dispersion and signal-to-noise ratio in optical signals based on polarization analysis |
| US8111722B1 (en) | 2008-03-03 | 2012-02-07 | Oewaves, Inc. | Low-noise RF oscillation and optical comb generation based on nonlinear optical resonator |
| EP2255421A4 (en) * | 2008-03-11 | 2013-03-27 | Oewaves Inc | Optical locking based on optical resonators with high quality factors |
| US8089684B1 (en) | 2008-03-14 | 2012-01-03 | Oewaves, Inc. | Photonic RF and microwave phase shifters |
| WO2009137202A2 (en) | 2008-04-03 | 2009-11-12 | California Institute Of Technology | Optical sensing based on overlapping optical modes in optical resonator sensors and interferometric sensors |
| US8094359B1 (en) | 2008-05-15 | 2012-01-10 | Oewaves, Inc. | Electro-optic whispering-gallery-mode resonator devices |
| US8102597B1 (en) | 2008-05-15 | 2012-01-24 | Oewaves, Inc. | Structures and fabrication of whispering-gallery-mode resonators |
| US8452139B1 (en) | 2008-07-25 | 2013-05-28 | Oewaves, Inc. | Wide-band RF photonic receivers and other devices using two optical modes of different quality factors |
| US8331008B1 (en) | 2008-10-14 | 2012-12-11 | Oewaves, Inc. | Photonic microwave and RF receivers based on electro-optic whispering-gallery-mode resonators |
| US8159736B2 (en) * | 2008-11-13 | 2012-04-17 | Oewaves, Inc. | Tunable single sideband modulators based on electro-optic optical whispering gallery mode resonators and their applications |
| US8761603B1 (en) | 2009-02-25 | 2014-06-24 | Oewaves, Inc. | Dynamically reconfigurable sensor arrays |
| US20100239245A1 (en) * | 2009-03-21 | 2010-09-23 | General Photonics Corporation | Polarization Mode Emulators and Polarization Mode Dispersion Compensators Based on Optical Polarization Rotators with Discrete Polarization States |
| US8498539B1 (en) | 2009-04-21 | 2013-07-30 | Oewaves, Inc. | Dielectric photonic receivers and concentrators for radio frequency and microwave applications |
| US8417076B2 (en) | 2009-06-22 | 2013-04-09 | Oewaves, Inc. | Tunable photonic microwave or radio frequency receivers based on electro-optic optical whispering gallery mode resonators |
| US8331409B1 (en) | 2010-01-18 | 2012-12-11 | Oewaves, Inc. | Locking of a laser to an optical interferometer that is stabilized to a reference frequency |
| US8564869B1 (en) | 2010-07-15 | 2013-10-22 | Oewaves, Inc. | Voltage controlled tunable single sideband modulators and devices based on electro-optic optical whispering gallery mode resonators |
| CN102377098B (en) | 2010-08-10 | 2015-09-23 | Oe电波公司 | Laser apparatus and the method for locked laser |
| TWI470887B (en) * | 2010-12-14 | 2015-01-21 | Ind Tech Res Inst | Laser frequency-doubling module |
| CN103703635B (en) | 2011-05-16 | 2017-07-25 | Oe电波公司 | Triple oscillator arrangements based on nonlinear optics resonator |
| US8804231B2 (en) | 2011-06-20 | 2014-08-12 | Oewaves, Inc. | Stabilizing RF oscillator based on optical resonator |
| US8659814B2 (en) | 2011-06-23 | 2014-02-25 | Oewaves, Inc. | Parametric regenerative oscillators based on opto-electronic feedback and optical regeneration via nonlinear optical mixing in whispering gallery mode optical resonators |
| US8831056B2 (en) | 2011-06-30 | 2014-09-09 | Oewaves, Inc. | Compact optical atomic clocks and applications based on parametric nonlinear optical mixing in whispering gallery mode optical resonators |
| US8780433B2 (en) | 2011-09-28 | 2014-07-15 | General Photonics Corporation | Polarization scrambling based on cascaded optical polarization devices having modulated optical retardation |
| US8922875B2 (en) * | 2011-10-03 | 2014-12-30 | Daisy Williams | Method for optical phase modulation, optical phase modulator and optical network using the same |
| CN104272538B (en) | 2012-03-27 | 2017-03-01 | 光电波股份有限公司 | There is the tunable optical electrical oscillator of the optical resonance wave filter running on selected modulation sideband, |
| US9804001B2 (en) * | 2013-03-18 | 2017-10-31 | Omnisens S.A. | Brillouin optical distributed sensing device and method with improved tolerance to sensor failure |
| US10404371B2 (en) * | 2013-05-01 | 2019-09-03 | The United States Of America As Represented By The Secretary Of The Army | Opto-electronic oscillator with stimulated Brillouin scattering feedback |
| WO2016209279A1 (en) * | 2015-06-26 | 2016-12-29 | Halliburton Energy Services, Inc. | Downhole sensing using solitons in optical fiber |
| US10270536B2 (en) * | 2016-03-21 | 2019-04-23 | University Of Southern California | Phase-sensitive regeneration without a phase-locked loop using brillouin amplification |
| US11650296B2 (en) | 2018-02-16 | 2023-05-16 | Xiaotian Steve Yao | Optical sensing based on wavelength division multiplexed (WDM) light at different wavelengths in light detection and ranging LiDAR systems |
| US10887015B2 (en) * | 2018-04-20 | 2021-01-05 | Eagle Technology, Llc | RF system with stimulated Brillouin scattering (SBS) photonic equalizer and related methods |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3569715A (en) | 1968-09-05 | 1971-03-09 | Atomic Energy Commission | Electro-optical telemetry system receiver utilizing negative feedback to eliminate atmospherically induced low frequency light beam intensity variations |
| JPS60247982A (en) | 1984-05-23 | 1985-12-07 | Nec Corp | Driving circuit for semiconductor laser |
| US4700150A (en) | 1985-06-14 | 1987-10-13 | Stanford University | External laser frequency stabilizer |
| IL96186A (en) | 1989-11-20 | 1994-08-26 | Hughes Aircraft Co | Master oscillator power amplifier with interference isolated oscillator |
| GB9105058D0 (en) * | 1991-03-11 | 1991-04-24 | Secr Defence | Dye laser amplifier |
| US5200964A (en) | 1991-03-12 | 1993-04-06 | General Instrument Corporation | Broad linewidth lasers for optical fiber communication systems |
| US5343324A (en) | 1991-11-15 | 1994-08-30 | Amoco Corporation | Bias control and method for electro-optic modulators |
| US5325380A (en) | 1992-07-17 | 1994-06-28 | Trw Inc. | Dual wavelength laser emitter |
| US5390204A (en) * | 1992-09-25 | 1995-02-14 | Incisive Technologies, Inc. | Intracavity modulated pulsed laser with a variably controllable modulation frequency |
| WO1994028455A1 (en) | 1993-06-01 | 1994-12-08 | United Technologies Corporation | An electro-optic modulator having gated-dither bias control |
| US5379309A (en) | 1993-08-16 | 1995-01-03 | California Institute Of Technology | High frequency source having heterodyned laser oscillators injection-locked to a mode-locked laser |
| US5555254A (en) | 1993-11-05 | 1996-09-10 | Trw Inc. | High brightness solid-state laser with zig-zag amplifier |
| US5495359A (en) | 1994-07-07 | 1996-02-27 | Ael Industries, Inc. | Variable sensitivity compensation network for Mach-Zender optical modulator |
| US5532857A (en) | 1994-09-07 | 1996-07-02 | Ael Industries, Inc. | Wide dynamic range optical link using DSSC linearizer |
| US5723856A (en) | 1995-08-01 | 1998-03-03 | California Institute Of Technology | Opto-electronic oscillator having a positive feedback with an open loop gain greater than one |
| US5978125A (en) | 1995-11-30 | 1999-11-02 | Yao; X. Steve | Compact programmable photonic variable delay devices |
| US5777778A (en) | 1996-01-23 | 1998-07-07 | California Institute Of Technology | Multi-Loop opto-electronic microwave oscillator with a wide tuning range |
| US5654818A (en) | 1996-02-09 | 1997-08-05 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Polarization independent electro-optic modulator |
| US5929430A (en) | 1997-01-14 | 1999-07-27 | California Institute Of Technology | Coupled opto-electronic oscillator |
| US5917179A (en) | 1997-05-12 | 1999-06-29 | California Institute Of Technology | Brillouin opto-electronic oscillators |
| US6567436B1 (en) | 1999-01-26 | 2003-05-20 | California Institute Of Technology | Opto-electronic oscillators having optical resonators |
| CA2361002C (en) | 1999-01-28 | 2005-07-26 | California Institute Of Technology | Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression |
-
2001
- 2001-01-10 AU AU2001229353A patent/AU2001229353A1/en not_active Abandoned
- 2001-01-10 WO PCT/US2001/000863 patent/WO2001052371A1/en active Application Filing
- 2001-01-10 US US09/758,551 patent/US6476959B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001052371A1 (en) | 2001-07-19 |
| AU2001229353A1 (en) | 2001-07-24 |
| US20010024317A1 (en) | 2001-09-27 |
| US6476959B2 (en) | 2002-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2001052371A9 (en) | Optical pulse synthesis using brillouin selective sideband amplification | |
| JP7303925B2 (en) | Multi-wavelength lidar design | |
| US6421154B1 (en) | Apparatus and method for high bandwidth laser-based data communication | |
| JP6005302B2 (en) | Laser radar equipment | |
| AU2001284435B2 (en) | Optical signal transmitter and optical signal transmitting method | |
| KR950022297A (en) | Dual-wavelength data transmitter for fading reduction in optical transmission systems | |
| USRE36715E (en) | Optically amplified transmission systems | |
| WO2001086849A3 (en) | Optical polarization division multiplexer | |
| KR970054964A (en) | Fiber laser | |
| JP2000068940A (en) | Optical transmitter | |
| US20210013972A1 (en) | Reflection-type coherent optical communication system combined with unidirectional optical signal amplification | |
| US6141140A (en) | Optical modulator using isolator and optical transmitter including the same | |
| US20090128798A1 (en) | Coherent optical range finder | |
| TW201334436A (en) | Method and system for free space optical communication utilizing a modulated electro-optical polymer retro-reflector | |
| JPH02504430A (en) | radar test set | |
| JP2005515449A (en) | Transmission system | |
| WO2001005071A1 (en) | Signalling system | |
| AU2003208476A1 (en) | Generating electronic carrier signals in the optical domain | |
| US5828682A (en) | Rational-harmonic apparatus and technique | |
| CN218782406U (en) | Coherent wind measurement laser radar system | |
| US6441938B1 (en) | Optical communication system with a single polarized, phase modulated transmitted beam | |
| KR20010042353A (en) | Low noise optical storage system based on an optical polarimetric delay line | |
| JP3059936B2 (en) | Variable coherence length high brightness laser design | |
| US5500729A (en) | Magneto-optical arrangement for laser radar | |
| US6798558B2 (en) | Optical clock multiplier and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| AK | Designated states |
Kind code of ref document: C2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: C2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
| COP | Corrected version of pamphlet |
Free format text: PAGES 1/5-5/5, DRAWINGS, REPLACED BY NEW PAGES 1/6-6/6; DUE TO LATE TRANSMITTAL BY THE RECEIVING OFFICE |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
| 122 | Ep: pct application non-entry in european phase | ||
| NENP | Non-entry into the national phase |
Ref country code: JP |