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25 September 2007 Efficient communication at telecom wavelengths using wavelength conversion and silicon photon-counting detectors
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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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. E. Grein, L. E. Elgin, B. S. Robinson, David O. Caplan, Mark L. Stevens, S. A. Hamilton, D. M. Boroson, C. Langrock, and M. M. Fejer "Efficient communication at telecom wavelengths using wavelength conversion and silicon photon-counting detectors", Proc. SPIE 6709, Free-Space Laser Communications VII, 670910 (25 September 2007); https://doi.org/10.1117/12.738502
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