MULTILANE VARIABLE BIAS FOR AN OPTICAL MODULATOR

摘要

In an example, the present invention includes an integrated system on chip device. The device has a variable bias block configured with the control block, the variable bias block being configured to selectively tune each of a plurality of laser devices provided on the silicon photonics device to adjust for at least a wavelength of operation, a fabrication tolerance, and an extinction ratio.

主权项

1. A device comprising:
a substrate member; a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol; an input/output block provided on the substrate member and coupled to the data input/output interface; a signal processing block provided on the substrate member and coupled to the input/output block; a driver module provided on the substrate member and coupled to the signal processing block; a driver interface provided on the substrate member and coupled to the driver module and configured to be coupled to a silicon photonics device comprising a plurality of redundant laser devices in optical communication with an optical channel, the driver interface being configured to transmit output data in either an amplitude modulation format or a combination of phase/amplitude modulation format or a phase modulation format; a receiver module provided on the substrate member and coupled to the silicon photonics device using a loop back signal from an optical tap coupler, and configured to the signal processing block to communicate information to the input/output block for transmission through the data input/output interface; a communication block provided on the substrate member and operably coupled to the input/output block, the signal processing block, the driver module, and the receiver module; a communication interface coupled to the communication block; a control block provided on the substrate member and coupled to the communication block; and a variable bias block configured with the control block, the variable bias block being configured to selectively tune each of a plurality of redundant laser devices provided on the silicon photonics device.