Spectrally Pure Heralded Single Photons at Telecommunication O-Band from a Custom-Poled KTiPO4 Crystal

Wu-Hao Cai; Wu-Hao Cai; Rui-Bo Jin; Keiichi Edamatsu; Fumihiro Kaneda; Fumihiro Kaneda

doi:10.1364/QUANTUM.2023.QW2A.33

Optica Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2023),
paper QW2A.33
•https://doi.org/10.1364/QUANTUM.2023.QW2A.33

Spectrally Pure Heralded Single Photons at Telecommunication O-Band from a Custom-Poled KTiPO₄ Crystal

Wu-Hao Cai, Rui-Bo Jin, Keiichi Edamatsu, and Fumihiro Kaneda

Quantum 2.0 2023

Denver, Colorado United States
18–22 June 2023
ISBN: 978-1-957171-27-2

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Poster Session II (QW2A)

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W. Cai, R. Jin, K. Edamatsu, and F. Kaneda, "Spectrally Pure Heralded Single Photons at Telecommunication O-Band from a Custom-Poled KTiPO4 Crystal," in Optica Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2023), paper QW2A.33.

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Abstract

We design a custom periodically poled KTiOPO₄ crystal to generate a high spectral purity (99.99%) heralded single photons at the telecom O-band. Our designed source is feasible with currently available pump lasers and single-photon detectors.

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