Abstract
Generation of indistinguishable single photons on demand is a fundamental challenge in quantum optics and a key requirement for scalable photonic quantum computing and communication. Single photons can be obtained from photon pairs generated by spontaneous parametric down conversion (SPDC) or spontaneous four-wave mixing (SFWM). Detecting one photon in a pair heralds the existance of the other. This allows heralded single-photon sources to be deterministically combined using either spatial [1] or temporal [2] active multiplexing. Efficient multiplexing increases the probability of having a single photon at the output, per pump clock, for a given coincidence to accidental ratio (CAR). In this paper, we present a 100% enhancement to the heralded single-photon rate by active temporal multiplexing of a silicon nanowire-based heralded single-photon source. This advance is enabled by our fast field-programmable gate array technology, and the low-loss, fast optical ceramic switches [3].
© 2015 IEEE
PDF ArticleMore Like This
C. Xiong, X. Zhang, Z. Liu, A. Mahendra, D.-Y. Choi, C. J. Chae, P. H. W. Leong, M. J. Collins, and B. J. Eggleton
PD_B_4 European Quantum Electronics Conference (EQEC) 2015
C. Xiong, T. D. Vo, M. J. Collins, A. S. Clark, J. Li, M. J. Steel, T. F. Krauss, and B. J. Eggleton
FTh3A.7 CLEO: QELS_Fundamental Science (CLEO:FS) 2014
Gabriel J. Mendoza, Jack Munns, Raffaele Santagati, Elizabeth Hemsley, Mateusz Piekarek, Enrique Martín-López, Graham D. Marshall, Damien Bonneau, Mark G. Thompson, and Jeremy L. O’Brien
EA_6_1 European Quantum Electronics Conference (EQEC) 2015