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Photonic Quantum Computing
Upconversion single photon detection near 2 um
arXiv
Authors: Guo-Liang Shentu, Xiu-Xiu Xia, Qi-Chao Sun, Jason S. Pelc, M. M. Fejer, Qiang Zhang, Jian-Wei Pan
Year
2013
Paper ID
31213
Status
Preprint
Abstract Read
~2 min
Abstract Words
78
Citations
N/A
Abstract
We have demonstrated upconversion detection at the single photon level in the 2 um spectral window using a pump wavelength near 1550nm, a periodically poled lithium niobate (PPLN) waveguide, and a volume Bragg grating (VBG) to reduce noise. We achieve a system photon detection efficiency of 10%, with a noise count rate of 24,500 counts per second, competitive with other 2 um single photon detection technologies. This detector has potential applications in environmental gas monitoring, life science, and classical and quantum communication.
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- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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- We have demonstrated upconversion detection at the single photon level in the 2 um spectral window using a pump wavelength near 1550nm, a periodically poled lithium niobate...
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