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Proceedings Paper

Picosecond Response High-Speed GaAs Schottky Barrier Photodetector For Microwave Optical Fiber Links*
Author(s): Jae H Kim; Sheng S Li; J J Pan
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Paper Abstract

A high-speed n-GaAs planar Schottky barrier photodetector capable of detecting an analog/digital modulated microwave optical signals up to 20 GHz has been fabricated. The impulse response measurement shows that the photodiode has a risetime of 27 ps and a FWHM of 94 ps. The spectral response measurement yields a responsivity of 0.40 A/W and quantum efficiency of 62 % at 820 nm. Based on the measured RC time constant (C = 0.15 pF and Rs = 7.6 ohm), the photodiode of 25 pm in diameter has a 3-dB bandwidth of 18.5 GHz.

Paper Details

Date Published: 23 February 1987
PDF: 8 pages
Proc. SPIE 0716, High Frequency Optical Communications, (23 February 1987); doi: 10.1117/12.937455
Show Author Affiliations
Jae H Kim, The University of Florida (United States)
Sheng S Li, The University of Florida (United States)
J J Pan, E-Tek Dynamics Inc. (United States)


Published in SPIE Proceedings Vol. 0716:
High Frequency Optical Communications
O. Glenn Ramer; Paul Sierak, Editor(s)

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