期刊
OPTICS LETTERS
卷 37, 期 4, 页码 476-478出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.37.000476
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资金
- U.S. Air Force Office of Scientific Research [FA9550-09-1-0233]
- Crystal Technology, Inc.
We present a device for two-stage frequency upconversion of single-photon-level signals in the 1.55 mu m telecom band to the green spectral region with low excess noise, suitable for detection by low-timing-jitter silicon single-photon avalanche photodiodes (APDs). We achieve a net conversion efficiency of 87% and a system timing jitter below 70 ps FWHM, dominated by the jitter of the APD. Modifications of our device are suitable for downconversion of single photons from visible-wavelength quantum emitters into the telecom band. (C) 2012 Optical Society of America
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