Integrated optical receiver module with demultiplexer for chip-to-chip optical interconnects

Nga T. H. Nguyen; Ikechi Augustine Ukaegbu; Jamshid Sangirov; Hyo-Hoon Park

doi:10.1117/12.2541230

28 February 2020 Integrated optical receiver module with demultiplexer for chip-to-chip optical interconnects

Nga T. H. Nguyen, Ikechi Augustine Ukaegbu, Jamshid Sangirov, Hyo-Hoon Park

Proceedings Volume 11286, Optical Interconnects XX; 112860S (2020) https://doi.org/10.1117/12.2541230
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

In this paper, an integrated optical receiver module with demultiplexer chip-to-chip optical interconnects is proposed. The receiver and demultiplexer (demux) were realized on a single chip in a 0.18 μm TSMC CMOS technology. The topology uses a 1:2 for the demux while the receiver (Rx) module consists of transimpedance amplifier (TIA) and a limiting amplifier (LA). The receiver achieved a gain of 90 dBΩ and a 3-dB bandwidth of 4.5 GHz. Clear eye diagrams were observed with a voltage swing of 375 mVpp up to 2.5 Gbps output from the Rx-Demux at 5 Gbps input signal. The integrated chip occupies an area of 594x1089 μm² with power consumptions of 122 mA under a 1.8 V power supply This solution could be applied to CPU/memory interface where bidirectional signaling is required.

Citation Download Citation

Nga T. H. Nguyen, Ikechi Augustine Ukaegbu, Jamshid Sangirov, and Hyo-Hoon Park "Integrated optical receiver module with demultiplexer for chip-to-chip optical interconnects", Proc. SPIE 11286, Optical Interconnects XX, 112860S (28 February 2020); https://doi.org/10.1117/12.2541230

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