公开(公告)号：US11381313B2

公开(公告)日：2022-07-05

申请号：US17116737

申请日：2020-12-09

申请人： Marvell Asia Pte, Ltd.

发明人： Ding Liang ,  Mark Patterson ,  Roberto Coccioli ,  Radhakrishnan L. Nagarajan

IPC分类号： H04B10/40 ,  G02B6/42 ,  H01S5/02 ,  H01S5/0234 ,  G02F1/313 ,  H01S5/12 ,  H04J14/02

摘要： An integrated optical transceiver includes a transmitter unit and a receiver unit each provided on a surface region of a substrate member. The transmitter unit includes four laser devices configured to output four laser lights and a set of four power splitter devices coupled to the four laser lights to split each of the four laser lights to two replicated transmit paths. The receiver unit has two replicated receive paths each including a photodetector device and a transimpedance amplifier device coupled to the photodetector device. A planar light circuit block is mounted on the substrate member and includes a multiplexer device configured to couple the four laser lights of the transmitter unit and multiplex to one output light delivered to an optical output port and a demultiplexer device configured to receive an input light from an optical input port and demultiplex to four input optical signals for the receiver unit.

公开(公告)号：US20220416900A1

公开(公告)日：2022-12-29

申请号：US17857397

申请日：2022-07-05

申请人： Marvell Asia Pte Ltd.

发明人： Ding Liang ,  Mark Patterson ,  Roberto Coccioli ,  Radhakrishnan L. Nagarajan

IPC分类号： H04B10/40 ,  G02B6/42 ,  H01S5/02 ,  H01S5/0234

摘要： An optical transceiver includes a silicon photonics substrate, transmitter circuitry, and receiver circuitry that are heterogeneously integrated. The transmitter circuitry includes a plurality of laser devices formed on the silicon photonics substrate, each of the plurality of laser devices configured to generate a respective laser light, a plurality of modulators formed on the silicon photonics substrate, each of the plurality of modulators configured to modulate the laser lights based on driver signals and output, from the silicon photonics substrate, the modulated laser lights, and a driver formed on the silicon photonics substrate and configured to generate the driver signals. The receiver circuitry includes a photodetector configured to receive a plurality of optical signals and convert the plurality of optical signals to respective electrical signals and a transimpedance amplifier device configured to receive the electrical signals and output the electrical signals from the silicon photonics substrate as electrical outputs.