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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 17 — Jun. 10, 2011
  • pp: 2508–2511

Laser-textured silicon photodiode with broadband spectral response

Zhi Li, Barada K. Nayak, Vikram V. Iyengar, Dion McIntosh, Qiugui Zhou, Mool C. Gupta, and Joe C. Campbell  »View Author Affiliations


Applied Optics, Vol. 50, Issue 17, pp. 2508-2511 (2011)
http://dx.doi.org/10.1364/AO.50.002508


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Abstract

A femtosecond-laser-textured Si photodetector is reported. Broadband spectral optical response is detected from UV to NIR. A quantum efficiency of greater than 80% from 490 nm to 780 nm has been achieved. The quantum efficiency at 245 nm is 62%, which is comparable to UV-enhanced Si photodiodes. The bandwidth of a 250 - μm -diameter device is 60 MHz .

© 2011 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(040.6040) Detectors : Silicon
(160.4670) Materials : Optical materials
(160.6000) Materials : Semiconductor materials

ToC Category:
Detectors

History
Original Manuscript: February 2, 2011
Revised Manuscript: March 29, 2011
Manuscript Accepted: March 30, 2011
Published: June 1, 2011

Citation
Zhi Li, Barada K. Nayak, Vikram V. Iyengar, Dion McIntosh, Qiugui Zhou, Mool C. Gupta, and Joe C. Campbell, "Laser-textured silicon photodiode with broadband spectral response," Appl. Opt. 50, 2508-2511 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-17-2508

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