Journal article
A novel HMSM photodetector with resonant cavity for short haul communications
IEEE MTT-S International Microwave Symposium digest, v 2, pp 1281-1284
01 Jan 2002
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A novel RCE (resonant-cavity-enhanced) HMSM (Heterostructure Metal-Semiconductor-Metal) photodetector with Al sub(0.24)Ga sub(0.76)As/Al sub(0.9 )Ga sub(0.1)As distributed Bragg reflector is presented. The photocurrent spectrum shows a clear peak at 850 nm wavelength with full width at half maximum (FWHM) of around 30 nm. The top reflector is a delta modulation doped Al sub(0.24)Ga sub(0.76)As that also acts as the barrier enhancement layer thus providing very low dark current values. I-V curve shows that there is a five-fold decrease in dark current, with bias less than 10V and a factor of two increase in photocurrent as a result of delta doping. Time response measurements gives a 3-dB bandwidth of about 33-GHz. Combination of low dark current, fast response, wavelength selectivity, and compatibility with high electron mobility transistors makes this device especially suitable for short haul communication purposes.
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Details
- Title
- A novel HMSM photodetector with resonant cavity for short haul communications
- Creators
- Xiying Chen - Drexel UniversityBahram NabetFabio QuarantaAdriano ColaMarc Currie
- Publication Details
- IEEE MTT-S International Microwave Symposium digest, v 2, pp 1281-1284
- Publisher
- The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:000178310900299
- Scopus ID
- 2-s2.0-0036070287
- Other Identifier
- 991019169014604721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Engineering, Electrical & Electronic
- Optics
- Telecommunications