A CMOS opto-electronic single chip using the hybrid scheme for optical receivers
✍ Scribed by Jian-Ming Huang; Chua-Chin Wang; Yi-Jen Chiu
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 304 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
An opto‐electronic integrated circuit based on the hybrid scheme for an optical receiver front‐end is presented in this article. The proposed integrated circuit adopts the CMOS technology as the vehicle to integrate the InP‐based waveguide photodetector into the transimpedance amplifier (TIA) circuit. A regulated cascade structure is used to reduce the input impedance of the TIA. Hence, the proposed integrated circuit can achieve a very high bandwidth provided that the parasitic capacitance of the photodetector is up to 1 pF. The 3‐dB bandwidth and the transimpedance gain of the proposed circuit are 1 GHz and 64.5 dBΩ, respectively. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2430–2434, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23693