Generation of correlated photon pairs in a chalcogenide As<sub>2</sub>S<sub>3</sub> waveguide
- Xiong, C.
- Marshall, G.D.
- Peruzzo, A.
- Lobino, M.
- Clark, A.S.
- Choi, D.-Y.
- Madden, S.J.
- Natarajan, C.M.
- Tanner, M.G.
- Hadfield, R.H.
- Dorenbos, S.N.
- Zijlstra, T.
- Zwiller, V.
- Thompson, M.G.
- Rarity, J.G.
- Steel, M.J.
- Luther-Davies, B.
- Eggleton, B.J.
- O’Brien, J.L.
DOIAbstract
We demonstrate a 1550 nm correlated photon-pair source in an integrated glass platform—a chalcogenide As<sub>2</sub>S<sub>3</sub> waveguide. A measured pair coincidence rate of 80 s<sup>−1</sup> was achieved using 57 mW of continuous-wave pump. The coincidence to accidental ratio was shown to be limited by spontaneous Raman scattering effects that are expected to be mitigated by using a pulsed pump source
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