Low Raman-noise correlated photon-pair generation in a dispersion-engineered chalcogenide As2S3 planar waveguide.
نویسندگان
چکیده
We demonstrate low Raman-noise correlated photon-pair generation in a dispersion-engineered 10 mm As2S3 chalcogenide waveguide at room temperature. We show a coincidence-to-accidental ratio (CAR) of 16.8, a 250 times increase compared with previously published results in a chalcogenide waveguide, with a corresponding brightness of 3×10(5) pairs·s(-1)·nm(-1) generated at the chip. Dispersion engineering of our waveguide enables photon passbands to be placed in the low spontaneous Raman scattering (SpRS) window at 7.4 THz detuning from the pump. This Letter shows the potential for As2S3 chalcogenide to be used for nonlinear quantum photonic devices.
منابع مشابه
Ultra-low Raman Noise Correlated Photon-Pair Generation in a Dispersion Engineered As2S3 Waveguide
We demonstrate ultra-low Raman noise generation of correlated photon-pairs in a dispersionengineered 10mm As2S3 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 Optical Society of America OCIS codes: (130.4310) Nonlinear; (190.5650) Raman effect; (270.0270) Quantum Optics The generation...
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ورودعنوان ژورنال:
- Optics letters
دوره 37 16 شماره
صفحات -
تاریخ انتشار 2012