Generation of correlated photon pairs in micro/nano-fibers

Xiaoying Li; Liang Cui; Cheng Guo; Y. H. Li; Z. Y. Xu; L. J. Wang; Wei Fang

doi:10.1117/12.2051301

1 May 2014 Generation of correlated photon pairs in micro/nano-fibers

Xiaoying Li, Liang Cui, Cheng Guo, Y. H. Li, Z. Y. Xu, L. J. Wang, Wei Fang

Proceedings Volume 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III; 91362H (2014) https://doi.org/10.1117/12.2051301
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

Based on the spontaneous four wave mixing in micro/nano-fiber (MNF), we report the generation of quantum-correlated photon pairs. The wavelengths of the signal and idler photons are in the 1310 nm and 851 nm bands, respectively. The measured ratio between the coincidence and accidental coincidence rates of signal and idler photons is up to 530. Moreover, we characterize the spectral property of the signal photons in the wavelength range of 1270-1610 nm. The results reveal that the bandwidth of the photon pairs is much greater than the theoretically expected value due to the inhomogeneity of the MNF; while the spectrum of Raman scattering in MNF is different from that in conventional optical fibers and photonic crystal fibers, which may originate from the heating used for fabricating the MNF. Our investigation shows that the MNF is a promising candidate for developing the sources of quantum light in micro- or nanometer-scales, and the spectral property of photon pairs can be used to non-invasively test the diameter and homogeneity of the MNF.

Citation Download Citation

Xiaoying Li, Liang Cui, Cheng Guo, Y. H. Li, Z. Y. Xu, L. J. Wang, and Wei Fang "Generation of correlated photon pairs in micro/nano-fibers", Proc. SPIE 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III, 91362H (1 May 2014); https://doi.org/10.1117/12.2051301

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