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Proceedings Paper

Space charge balance in high-speed high-saturation-current photodetecters
Author(s): Xiaowei Li; Stephane Demiguel; Ning Li; Joe C. Campbell; David Tulchinsky; Keith J. Williams
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Paper Abstract

Charge balance in the depletion region of a photodiode can be used to reduce the space charge effect. A partially depleted absorber (PDA) InGaAs/InP photodetecter with space charge balance and transit time balance has been demonstrated. A 1dB large signal compression current of 24mA was achieved at 48GHz for an 8μm × 8μm photodiode. A 100μm-diameter photodiode achieved a maximum saturation current of 199mA at 1GHz.

Paper Details

Date Published: 14 August 2003
PDF: 7 pages
Proc. SPIE 5246, Active and Passive Optical Components for WDM Communications III, (14 August 2003); doi: 10.1117/12.511219
Show Author Affiliations
Xiaowei Li, Univ. of Texas/Austin (United States)
Stephane Demiguel, Univ. of Texas/Austin (United States)
Ning Li, Univ. of Texas/Austin (United States)
Joe C. Campbell, Univ. of Texas/Austin (United States)
David Tulchinsky, Naval Research Lab. (United States)
Keith J. Williams, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 5246:
Active and Passive Optical Components for WDM Communications III
Achyut K. Dutta; Abdul Ahad S. Awwal; Niloy K. Dutta; Kazuo Fujiura, Editor(s)

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