Tunable Up-Conversion Photon Detector

Details Tunable Up-Conversion Photon Detector Tunable Up-Conversion Photon Detector

2008-07-22

arxiv.org/abs/0807.3399v1

Physics

Quantum Physics

3 pages, 3 figures, Accepted for publication in APL

Scientific paper

10.1063/1.2969067

We introduce a simple approach for a tunable up-conversion detector. This scheme is relevant for both single photon detection or anywhere where low light levels at telecom wavelengths need to be detected with a high degree of temporal resolution or where high count rates are desired. A system combining a periodically poled Lithium niobate waveguide for the nonlinear wavelength conversion and a low jitter Silicon avalanche photodiode are used in conjunction with a tunable pump source. We report more than a ten-fold increase in the detectable bandwidth using this tuning scheme.

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