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Photonic Quantum Computing

Generation of heralded single photons beyond 1100 nm by spontaneous four-wave mixing in a side-stressed femtosecond laser-written waveguide

arXiv
Authors: Zhizhong Yan, Yuwen Duan, L. G. Helt, Martin Ams, Michael J. Withford, M. J. Steel

Year

2015

Paper ID

26762

Status

Preprint

Abstract Read

~2 min

Abstract Words

94

Citations

N/A

Abstract

We demonstrate a monolithically integrable heralded photon source in a femtosecond laser direct written glass waveguide. The generation of photon pairs with a wide wavelength separation requires a concomitant large birefringence in the normal dispersion regime. Here, by incorporation of side-stress tracks, we produce a waveguide with a birefringence of 1.64times 10-4 and propagation loss as low as 0.21 dB/cm near 980 nm. We measure photon pairs with 300 nm wavelength separation at an internal generation rate exceeding 5.05times106/s. The second order correlations indicate that the generated photon pairs are in a strongly non-classical regime.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • We demonstrate a monolithically integrable heralded photon source in a femtosecond laser direct written glass waveguide.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1510.03122 [2] arXiv https://arxiv.org/abs/1510.03122 [3] Publisher https://arxiv.org/abs/1510.03122

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