A method of calibrating a monolithic transmitter photonic integrated circuit (TxPIC) chip is disclosed where the chip contains integrated arrays of laser sources and electro-optic modulators forming a plurality of different wavelength signal channels where each laser source on the chip is sequentially...http://www.google.com/patents/US20050094926?utm_source=gb-gplus-sharePatent US20050094926 - Method of calibrating a monolithic transmitter photonic integrated circuit (TxPIC) chip