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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 17 — Sep. 1, 2012
  • pp: 3729–3731

Electro-optically switchable spatial-mode entangled photon pairs using a modified Mach–Zehnder interferometer

Jasleen Lugani, Sankalpa Ghosh, and Krishna Thyagarajan  »View Author Affiliations


Optics Letters, Vol. 37, Issue 17, pp. 3729-3731 (2012)
http://dx.doi.org/10.1364/OL.37.003729


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Abstract

In this Letter, we propose and analyze a switchable integrated optical waveguide device employing a modified Mach–Zehnder interferometer, capable of generating nondegenerate, maximally spatial-mode entangled photon pairs. Using an integrated electro-optic phase modulator, we show the possibility of on-demand switching of spatial-mode entangled state from a Φ+ to a Ψ+ state and vice versa. Such a versatile device with the potential of easy manipulation of the “spatial-mode” degree of freedom, should be very interesting in realizing integrated optical chips for quantum information processing.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.4310) Integrated optics : Nonlinear
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Integrated Optics

History
Original Manuscript: May 23, 2012
Revised Manuscript: July 26, 2012
Manuscript Accepted: August 2, 2012
Published: August 31, 2012

Citation
Jasleen Lugani, Sankalpa Ghosh, and Krishna Thyagarajan, "Electro-optically switchable spatial-mode entangled photon pairs using a modified Mach–Zehnder interferometer," Opt. Lett. 37, 3729-3731 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-17-3729

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