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Technologies 2016, 4(3), 25; doi:10.3390/technologies4030025

Interfering Heralded Single Photons from Two Separate Silicon Nanowires Pumped at Different Wavelengths

1
Centre for Ultrahigh bandwidth Devices for Optical Systems (CUDOS), Institute of Photonics and Optical Science (IPOS), School of Physics, University of Sydney, Sdyney 2006, NSW, Australia
2
CUDOS, Laser Physics Centre, Australian National University, Canberra 2601, ACT, Australia
3
Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne 3010, VIC, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Stephan Reitzenstein
Received: 13 July 2016 / Revised: 17 August 2016 / Accepted: 22 August 2016 / Published: 24 August 2016
(This article belongs to the Special Issue Quantum Technologies)
View Full-Text   |   Download PDF [1128 KB, uploaded 24 August 2016]   |  

Abstract

Practical quantum photonic applications require on-demand single photon sources. As one possible solution, active temporal and wavelength multiplexing has been proposed to build an on-demand single photon source. In this scheme, heralded single photons are generated from different pump wavelengths in many temporal modes. However, the indistinguishability of these heralded single photons has not yet been experimentally confirmed. In this work, we achieve 88% ± 8% Hong–Ou–Mandel quantum interference visibility from heralded single photons generated from two separate silicon nanowires pumped at different wavelengths. This demonstrates that active temporal and wavelength multiplexing could generate indistinguishable heralded single photons. View Full-Text
Keywords: multiplexing; quantum optics; interference multiplexing; quantum optics; interference
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, X.; Jiang, R.; Bell, B.A.; Choi, D.-Y.; Chae, C.J.; Xiong, C. Interfering Heralded Single Photons from Two Separate Silicon Nanowires Pumped at Different Wavelengths. Technologies 2016, 4, 25.

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