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Proceedings Paper

Efficient communication at telecom wavelengths using wavelength conversion and silicon photon-counting detectors
Author(s): M. E. Grein; L. E. Elgin; B. S. Robinson; David O. Caplan; Mark L. Stevens; S. A. Hamilton; D. M. Boroson; C. Langrock; M. M. Fejer
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Paper Abstract

Silicon Geiger-mode avalanche photodiodes (Si GM-APDs) have desirable properties for an optical photon-counting receiver, including high single-photon detection efficiency, low reset time, and low timing jitter; however, they do not detect near-IR photons. In this work, we demonstrated a sensitive photon-counting receiver in the near-IR by combining a wavelength converter consisting of a periodically-poled lithium niobate (PPLN) waveguide and a commercial Si GM-APD detector. We measured a receiver sensitivity from 1.4 to 3.5 incident photons/bit from 5.5 Mb/s to 22 Mb/s for a single detector, and achieved a sensitivity of 4 photons/bit at 78 Mb/s using an emulated array of 25 detectors.

Paper Details

Date Published: 25 September 2007
PDF: 5 pages
Proc. SPIE 6709, Free-Space Laser Communications VII, 670910 (25 September 2007); doi: 10.1117/12.738502
Show Author Affiliations
M. E. Grein, Massachusetts Institute of Technology (United States)
L. E. Elgin, Massachusetts Institute of Technology (United States)
B. S. Robinson, Massachusetts Institute of Technology (United States)
David O. Caplan, Massachusetts Institute of Technology (United States)
Mark L. Stevens, Massachusetts Institute of Technology (United States)
S. A. Hamilton, Massachusetts Institute of Technology (United States)
D. M. Boroson, Massachusetts Institute of Technology (United States)
C. Langrock, Stanford Univ. (United States)
M. M. Fejer, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 6709:
Free-Space Laser Communications VII
Arun K. Majumdar; Christopher C. Davis, Editor(s)

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