Dual-channel, single-photon upconversion detector near 1300 nm

Paulina S. Kuo; Jason S. Pelc; Oliver Slattery; Martin M. Fejer; Xiao Tang

doi:10.1117/12.946250

15 October 2012 Dual-channel, single-photon upconversion detector near 1300 nm

Paulina S. Kuo, Jason S. Pelc, Oliver Slattery, Martin M. Fejer, Xiao Tang

Proceedings Volume 8518, Quantum Communications and Quantum Imaging X; 85180U (2012) https://doi.org/10.1117/12.946250
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

Upconversion of 1.3-micron photons and detection using silicon avalanche photodiodes (Si APDs) can produce high photon detection efficiencies (PDEs) with low dark count rates. We demonstrate a novel two-channel device based on a phase-modulated, periodically poled LiNbO3 waveguide that mixes 1302-nm signal photons with two pump beams at 1556 and 1571 nm. Both channels showed high PDEs with very low dark counts. Using wavelength- to time-division multiplexing in this dual-channel device, we produced clock rates that exceed the timing-jitter-limited rates of a system based on one Si APD. Higher clock rates are of interest for improved quantum communication systems.

Citation Download Citation

Paulina S. Kuo, Jason S. Pelc, Oliver Slattery, Martin M. Fejer, and Xiao Tang "Dual-channel, single-photon upconversion detector near 1300 nm", Proc. SPIE 8518, Quantum Communications and Quantum Imaging X, 85180U (15 October 2012); https://doi.org/10.1117/12.946250

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