We demonstrate ultra-low Raman noise generation of correlated photon-pairs in a dispersion-engineered 10mm As<sub>2</sub>S<sub>3</sub> waveguide at room temperature. We show a coincidence-to-accidental ratio (CAR) of 16.8, a 250 times increase compared with previously published results.
© 2012 OSA
M. J. Collins, A. Clark, J. He, D. Choi, R. J. Williams, A. Judge, M. J. Steel, B. Luther-Davies, C. Xiong, and B. J. Eggleton, "Ultra-low Raman Noise Correlated Photon-Pair Generation in a Dispersion Engineered As<sub>2</sub>S<sub>3</sub> Waveguide," in Advanced Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW4D.6.