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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 23 — Dec. 1, 2013
  • pp: 5176–5179

Bidirectional multiplexing of heralded single photons from a silicon chip

C. Xiong, T. D. Vo, M. J. Collins, J. Li, T. F. Krauss, M. J. Steel, A. S. Clark, and B. J. Eggleton  »View Author Affiliations


Optics Letters, Vol. 38, Issue 23, pp. 5176-5179 (2013)
http://dx.doi.org/10.1364/OL.38.005176


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Abstract

We demonstrate integrated spatial multiplexing of heralded single photons generated from a single 96 μm long silicon photonic crystal waveguide in a bidirectional pump configuration. By using a low-loss fiber-coupled opto-ceramic switch, the multiplexing technique enhances the brightness of the single photon source by 51.2±4.0% while maintaining the coincidence-to-accidental ratio. Compared with the demonstration of multiplexing two individual sources, the bidirectional pump scheme represents a twofold reduction in the footprint of nonlinear devices for future large-scale integration of on-chip single photon sources. The 51.2±4.0% gain will make any quantum operation requiring n photons 1.5n times faster.

© 2013 Optical Society of America

OCIS Codes
(130.5296) Integrated optics : Photonic crystal waveguides
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: September 16, 2013
Revised Manuscript: November 1, 2013
Manuscript Accepted: November 1, 2013
Published: November 27, 2013

Citation
C. Xiong, T. D. Vo, M. J. Collins, J. Li, T. F. Krauss, M. J. Steel, A. S. Clark, and B. J. Eggleton, "Bidirectional multiplexing of heralded single photons from a silicon chip," Opt. Lett. 38, 5176-5179 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-23-5176

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