Novel CMOS photoreceiver operating at high frequencies

Kamel Ayadi

doi:10.1117/12.347953

28 April 1999 Novel CMOS photoreceiver operating at high frequencies

Kamel Ayadi

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347953
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

We demonstrate a new CMOS synchronized photoreceiver for conversion of optical input pulses to digital output signals. A combination of two p-n-p vertical CMOS BJTs controlled by an external clock is designed to achieve the first clocked photoDarlington structure. This clocked photoDarlington is used as a detector of input light. The generated photocurrent is reflected by a current-mirror comparator and digitized by a buffer. The synchronized photoreceiver, in its return-to- zero (RZ) format, has been implemented in a standard digital 0.7-micrometer, 5-V n-well CMOS technology with an effective area of 100 X 60 micrometer². It was measured to operate at 100 MHz with an external input light of -18.8 dBm/beam.

Citation Download Citation

Kamel Ayadi "Novel CMOS photoreceiver operating at high frequencies", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347953

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