A fully-integrated 12.5-Gb/s 850-nm CMOS optical receiver based on a spatially-modulated avalanche photodetector

Myung Jae Lee, Jin Sung Youn, Kang Yeob Park, Woo Young Choi

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We present a fully integrated 12.5-Gb/s optical receiver fabricated with standard 0.13-μm complementary metal-oxidesemiconductor (CMOS) technology for 850-nm optical interconnect applications. Our integrated optical receiver includes a newly proposed CMOS-compatible spatially-modulated avalanche photodetector, which provides larger photodetection bandwidth than previously reported CMOScompatible photodetectors. The receiver also has high-speed CMOS circuits including transimpedance amplifier, DC-balanced buffer, equalizer, and limiting amplifier. With the fabricated optical receiver, detection of 12.5- Gb/s optical data is successfully achieved at 5.8 pJ/bit. Our receiver achieves the highest data rate ever reported for 850-nm integrated CMOS optical receivers.

Original languageEnglish
Pages (from-to)2511-2518
Number of pages8
JournalOptics Express
Volume22
Issue number3
DOIs
Publication statusPublished - 2014 Feb 10

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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