EXTERNAL CAVITY LASER BASED WAVELENGTH DIVISION MULTIPLEXING SUPERCHANNEL TRANSCEIVERS

摘要

A technique relates to a superchannel. Laser cavities include a first laser cavity, a next laser cavity, through a last laser cavity. Modulators include a first modulator, a next modulator, through a last modulator, each having a direct input, an add port, and an output. A concatenated arrangement of the laser cavities is configured to form the superchannel, which includes the last laser cavity coupled to the direct input of the last modulator, and the output of the last modulator coupled to the add port of the next modulator. The arrangement includes the next laser cavity coupled to direct input of the next modulator, and the output of the next modulator coupled to add port of first modulator, along with the first laser cavity coupled to direct input of the first modulator, and the output of first modulator coupled to input of a multiplexer, thus forming the superchannel into multiplexer.

主权项

1. A semiconductor chip configured to form a superchannel, the semiconductor chip comprising:
a plurality of laser cavities including a first laser cavity, a next laser cavity, through a last laser cavity; a wavelength division multiplexing (WDM) multiplexer; a plurality of modulators including a first modulator, a next modulator, through a last modulator, each of the plurality of modulators having a direct input, an add port, and an output; and a concatenated arrangement of the plurality of laser cavities to form the superchannel, the concatenated arrangement including:
the last laser cavity coupled to the direct input of the last modulator, and the output of the last modulator coupled to the add port of the next modulator;the next laser cavity coupled to the direct input of the next modulator, and the output of the next modulator coupled to the add port of the first modulator; andthe first laser cavity coupled to the direct input of the first modulator, and the output of the first modulator coupled to one input of the WDM multiplexer, thus forming the superchannel being input into the one input of the WDM multiplexer.