Design of full-duplex and multifunction bidirectional CMOS transceiver for optical interconnect applications

Ikechi Augustine Ukaegbu, Mohammad Rakib Uddin, Jamshid Sangirov, Nga T. H. Nguyen, Tae-Woo Lee, Mu-Hee Cho, Hyo-Hoon Park

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This work presents a full-duplex and multifunction bidirectional transceiver for optical interconnect application. The transceiver utilizes a common limiting amplifier/gain stage, thus reducing total chip area and total power consumption. While providing a full-duplex bidirectional transmission with the aid of a hybrid circuit between the electrical input/output (I/O) and the optoelectronic signals from the transmitter and receiver circuits, it also allows for a half-duplex operation with the aid of a switch between the transimpedance amplifier signals and the transmitter electrical input from the I/O port. The multifunction bidirectional CMOS transceiver is designed in a 0.13 µm Si-CMOS technology, with power dissipation of 79 and 54.4 mW for the transmitter and receiver, respectively. It shows a 3-dB bandwidth of 5.58 and 5.69 GHz for the transmitter and the receiver respectively and with a 3-dB gain of 66.14 and 69.6 dB, in full-duplex mode. The transceiver operates up to 7 Gb/s in full-duplex mode.
Original languageEnglish
Pages (from-to)243
JournalOptical and Quantum Electronics
Volume49
Issue number7
Publication statusPublished - Jun 15 2017

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