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Superconducting Qubits Photonic Quantum Computing Spin Qubits Silicon Quantum Computing Entanglement Theory Quantum Correlations

Turn-Key Diode-Pumped All-Fiber Broadband Polarization-Entangled Photon Source

arXiv

Authors: Changjia Chen, Arash Riazi, Eric Y. Zhu, Mili Ng, Alexey V. Gladyshev, Peter G. Kazansky, Li Qian

Year

2018

Paper ID

24233

Status

Preprint

Abstract Read

~2 min

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Abstract

In this letter, we report a compact, low-power laser diode-pumped, all-fiber polarization-entangled photon pair source based on periodically-poled silica fiber technology. The all-fiber source offers room-temperature, alignment-free, turn-key operation, with low power consumption, and is packaged into a fanless, portable enclosure. It features a broad biphoton spectrum of more than 100nm with a concurrence that is greater than 0.96 for polarization entanglement. The source is stable over at least 10 hours of continuous operation, achieving coincidence-to-accidental ratios of more than 2000 consistently over this time period.

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In this letter, we report a compact, low-power laser diode-pumped, all-fiber polarization-entangled photon pair source based on periodically-poled silica fiber technology.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1810.02267 [2] arXiv https://arxiv.org/abs/1810.02267 [3] Publisher https://arxiv.org/abs/1810.02267

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