A method for generating multichannel entangled photon pairs

Yu Peng; Qingping Shi; Wei Li

doi:10.1117/12.2076449

19 February 2015 A method for generating multichannel entangled photon pairs

Yu Peng, Qingping Shi, Wei Li

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490G (2015) https://doi.org/10.1117/12.2076449
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

A method is presented for generating multiple-channel color-entangled photon pairs simultaneously based on type I quasi-phase-matched spontaneous parametric downconversion pumped in a single periodically poled lithium niobate (PPLN) crystal. It is predicted that one-, and two-channel color-entangled photon pairs can be simultaneously generated just by suitably choosing the PPLN grating period and the pump frequency. We point out that the full width at half maximum (FWHM) of idler and signal light are broadened dramatically due to spontaneous parametric downconversion in case of a pulsed pump. Then this method is applied for generating multiple-channel polarization-entangled photon pairs simultaneously based on type II quasiphase- matched spontaneous parametric downconversion.

Citation Download Citation

Yu Peng, Qingping Shi, and Wei Li "A method for generating multichannel entangled photon pairs", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490G (19 February 2015); https://doi.org/10.1117/12.2076449

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