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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 12 — Jun. 15, 2014
  • pp: 3575–3578

Degenerate photon-pair generation in an ultracompact silicon photonic crystal waveguide

Jiakun He, Alex S. Clark, Matthew J. Collins, Juntao Li, Thomas F. Krauss, Benjamin J. Eggleton, and Chunle Xiong  »View Author Affiliations


Optics Letters, Vol. 39, Issue 12, pp. 3575-3578 (2014)
http://dx.doi.org/10.1364/OL.39.003575


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Abstract

We demonstrate degenerate, correlated photon-pair generation via slow-light-enhanced spontaneous four-wave mixing in a 96 μm long silicon photonic crystal waveguide. Our device represents a more than 50 times smaller footprint than silicon nanowires. We have achieved a coincidence-to-accidental ratio as high as 47 at a photon generation rate of 0.001 pairs per pulse and 14 at a photon generation rate of 0.023 pairs per pulse, which are both higher than the useful level of 10. This demonstration provides a path to generate indistinguishable photons in an ultracompact platform for future quantum photonic technologies.

© 2014 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(130.5296) Integrated optics : Photonic crystal waveguides
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Integrated Optics

History
Original Manuscript: April 1, 2014
Revised Manuscript: May 9, 2014
Manuscript Accepted: May 10, 2014
Published: June 10, 2014

Citation
Jiakun He, Alex S. Clark, Matthew J. Collins, Juntao Li, Thomas F. Krauss, Benjamin J. Eggleton, and Chunle Xiong, "Degenerate photon-pair generation in an ultracompact silicon photonic crystal waveguide," Opt. Lett. 39, 3575-3578 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-12-3575

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