Interfering Heralded Single Photons from Two Separate Silicon Nanowires Pumped at Different Wavelengths
Xiang Zhang,
Runyu Jiang,
Bryn A. Bell,
Duk-Yong Choi,
Change Joon Chae,
Chunle Xiong
Affiliations
Xiang Zhang
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
Runyu Jiang
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
Bryn A. Bell
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
Duk-Yong Choi
CUDOS, Laser Physics Centre, Australian National University, Canberra 2601, ACT, Australia
Change Joon Chae
Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne 3010, VIC, Australia
Chunle Xiong
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
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.
