Journal of the Institute of Electronics Engineers of Korea SD (대한전자공학회논문지SD)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Multichannel Photoreceiver Arrays for Parallel Optical Interconnects

병렬식 광 인터컨넥트용 멀티채널 수신기 어레이

  • Park, Sung-Min (Department of Information Electronics Engineering, Ewha Womans University)
  • 박성민 (이화여자대학교 정보통신학과)
  • Published : 2005.07.01
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Abstract

A four-channel photoreceiver ways have been realized in a 0.8$\mu$m Si/SiGe HBT technology for the applications of parallel optical interconnects. The receiver array includes four-channel transimpedance amplifiers (TIAs) and p-i-n photodiodes, where the TIAs exploit a common-emitter (CE) input configuration. Measured results demonstrate that the four-channel CE TIA array provides 3.9GHz bandwidth, 62dB$\Omega$ transimpedance gain, 7.5pA/sqrt(Hz) average noise current spectral density, and less than -25dB crosstalk between adjacent channels with 40mW power dissipation.

본 논문에서는 병렬식 광 인터컨넥트 응용을 위한 멀티채널 광수신기 어레이를 구현한다. 0.8$\mu$m Si/SiGe HBT 공정을 이용하여 설계한 수신기 어레이는 4채널의 전치증폭기 (transimpedance amplifier 혹은 TIA)와 PIN 광다이오드를 포함하는데, TIA는 일반적인 에미터 접지 (common-emitter 혹은 CE) 입력단을 취한다. 측정결과로서, CE TIA 어레이는 3.9GHz 주파수 대역폭과 62dB$\Omega$ 트랜스 임피던스 이득, 7.SpA/sqrt(Hz) 평균 노이즈 전류 스펙트럼 밀도 및 -2SdB 채널 간 crosstalk 성능을 가지며, 4채널 전체 모듈이 40mW 전력소모를 보인다.

Keywords

References

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