1.57-μm InP-based resonant-cavity-enhanced photodetector with InP/air-gap Bragg reflectors

✍ Scribed by Xiaomin Ren; Hui Huang; Yingzhe Chong; Yongqing Huang

• Publisher: John Wiley and Sons
• Year: 2004
• Tongue: English
• Weight: 159 KB
• Volume: 42
• Category: Article
• ISSN: 0895-2477
• DOI: 10.1002/mop.20230

✦ Synopsis

Abstract

We have demonstrated a monolithic and cost‐effective InP‐based resonant‐cavity‐enhanced photodetector with an InP/air‐gap distributed Bragg reflector (DBR) fabricated by using selective wet etching. Peak quantum efficiency is 54% at 1.57 μm, which corresponds to nearly two‐fold enhancement versus a conventional detector of the same absorption depth, a 3‐dB bandwidth of 6.8 GHz was achieved with the active area of 50 × 50 μm^2^. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 133–135, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20230