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Optica, Optics Letters, 8(39), p. 2526, 2014

DOI: 10.1364/ol.39.002526

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Telecom-band degenerate-frequency photon pair generation in silicon microring cavities

Journal article published in 2014 by Yuan Guo, Wei Zhang, Shuai Dong, Yidong Huang, Jiangde Peng
This paper is available in a repository.
This paper is available in a repository.

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Abstract

In this Letter, telecom-band degenerate-frequency photon pairs are generated in a specific mode of a silicon microring cavity by the nondegenerate spontaneous four-wave mixing (SFWM) process, under two continuous-wave pumps at resonance wavelength of two different cavity modes. The ratio of coincidence to accidental coincidence is up to 100 under a time bin width of 5 ns, showing their characteristics of quantum correlation. Their quantum interference in balanced and unbalanced Mach-Zehnder interferometers is investigated theoretically and experimentally, and the results show potential in quantum metrology and quantum information.