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Monolithically integrated SiGe/Si PIN-HBT front-end transimpedance photoreceivers

  • J. S. Rieh
  • , O. Qasaimeh
  • , D. Klotzkin
  • , L. H. Lu
  • , K. Yang
  • , L. P.B. Katehi
  • , P. Bhattacharya
  • , E. T. Croke
  • University of Michigan, Ann Arbor

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations

Abstract

The demand for monolithically integrated photoreceivers based on Si-based technology keeps increasing as low cost and high reliability products are required for the expanding commercial market. Higher speed and wider operating frequency range are expected when SiGe/Si hetero-junction is introduced to the circuit design. In this paper, a monolithic SiGe/Si PIN-HBT front-end transimpedance photoreceiver is demonstrated for the first time. For this purpose, mesa-type SiGe/Si PIN-HBT technology was developed. Fabricated HBTs exhibit fmax of 34 GHz with DC gain of 25. SiGe/Si PIN photodiodes, which share base and collector layers of HBTs, demonstrate responsivity of 0.3 A/W at λ = 850 nm and bandwidth of 450 MHz. Based on these devices, single- and dual-feedback transimpedance amplifiers were fabricated and they exhibited the bandwidth of 3.2 GHz and 3.3 GHz with the transimpedance gain of 45.2 dBΩ and 47.4 dBΩ, respectively. Monolithically integrated single-feedback PIN-HBT photo-receivers were implemented and the bandwidth was measured to be approximately 0.5 GHz, which is limited by the bandwidth of PIN photodiodes.

Original languageEnglish
Pages322-331
Number of pages10
DOIs
StatePublished - 1997
EventProceedings of the 1997 IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits - Ithaca, NY, USA
Duration: Aug 4 1997Aug 6 1997

Conference

ConferenceProceedings of the 1997 IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits
CityIthaca, NY, USA
Period08/4/9708/6/97

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