Design of a 622Mb/s 16-channel CMOS optical transceiver array

Hee-Hyun Lee; Sung-Jae Jung; Heung-Soo Kim; Doo-Gun Kim; Young-Wan Choi

doi:10.1117/12.469556

3 June 2002 Design of a 622Mb/s 16-channel CMOS optical transceiver array

Hee-Hyun Lee, Sung-Jae Jung, Heung-Soo Kim, Doo-Gun Kim, Young-Wan Choi

Proceedings Volume 4652, Optoelectronic Interconnects, Integrated Circuits, and Packaging; (2002) https://doi.org/10.1117/12.469556
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

We describe design of 622 Mb/s 16-channel CMOS optical transceiver array using the 0.35 micrometers CMOS technology. The transceiver array consists of Laser Diode (LD) driver and limiting amplifier with trans-impedance amplifier. CMOS LD driver offers the capability of independent dc and modulation current adjustments. The dc circuit used to pre- bias LD is adjustable for the dc current at a range of 0~30 mA. Because each amplifier block is dc-coupled, there are several sources of nonlinearity in the amplifier chains. These problems deteriorate the magnitude and timing performance. In order to solve these problems, we employ a compensate circuit which consists of positive and negative peak detectors and decision comparator. This scheme forces the data to be sliced in the middle eliminating timing errors. With this design technique, we have succeeded in developing a CMOS optical transceiver array with a high performance.

Citation Download Citation

Hee-Hyun Lee, Sung-Jae Jung, Heung-Soo Kim, Doo-Gun Kim, and Young-Wan Choi "Design of a 622Mb/s 16-channel CMOS optical transceiver array", Proc. SPIE 4652, Optoelectronic Interconnects, Integrated Circuits, and Packaging, (3 June 2002); https://doi.org/10.1117/12.469556

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