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Applied Physics Letters / Volume 99 / Issue 8 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 99, 081110 (2011); http://dx.doi.org/10.1063/1.3628328 (3 pages)

Correlated photon-pair generation in a periodically poled MgO doped stoichiometric lithium tantalate reverse proton exchanged waveguide

M. Lobino1, G. D. Marshall2,3, C. Xiong2,4, A. S. Clark1, D. Bonneau1, C. M. Natarajan5, M. G. Tanner5, R. H. Hadfield5, S. N. Dorenbos6, T. Zijlstra6, V. Zwiller6, M. Marangoni7, R. Ramponi7, M. G. Thompson1, B. J. Eggleton2,4, and J. L. O’Brien1

1Centre for Quantum Photonics, H. H. Wills Physics Laboratory and Department of Electrical and Electronic Engineering, University of Bristol, Merchant Venturers Building, Woodland Road, Bristol BS8 1UB, United Kingdom
2Centre for Ultrahigh bandwidth Devices for Optical Systems (CUDOS), Australia
3MQ Photonics Research Centre, Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia
4Institute of Photonics and Optical Science (IPOS), School of Physics, University of Sydney, Camperdown NSW 2006, Australia
5Scottish Universities Physics Alliance and School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom
6Kavli Institute of Nanoscience, TU Delft, 2628CJ Delft, The Netherlands
7Dipartimento di Fisica-Politecnico di Milano and Instituto di Fotonica e Nanotecnologie-CNR, piazza Da Vinci 32, Milan, Italy

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(Received 6 March 2011; accepted 3 August 2011; published online 26 August 2011)

We demonstrate photon-pair generation in a reverse proton exchanged waveguide fabricated on a periodically poled magnesium doped stoichiometric lithium tantalate substrate. Detected pairs are generated via a cascaded second order nonlinear process where a pump laser at wavelength of 1.55 μm is first doubled in frequency by second harmonic generation and subsequently downconverted around the same spectral region. Pairs are detected at a rate of 42/s with a coincidence to accidental ratio of 0.7. This cascaded pair generation process is similar to four-wave-mixing where two pump photons annihilate and create a correlated photon pair.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

ion exchange, lithium compounds, magnesium compounds, multiwave mixing, optical fabrication, optical harmonic generation, optical pumping, optical waveguides, stoichiometry, two-photon processes

PACS

  • 42.79.Gn

    Optical waveguides and couplers

  • 42.65.Wi

    Nonlinear waveguides

  • 42.65.Jx

    Beam trapping, self-focusing and defocusing; self-phase modulation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3628328

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    C. Xiong, G. D. Marshall1, A. Peruzzo, M. Lobino, A. S. Clark, D.-Y. Choi, S. J. Madden, C. M. Natarajan, M. G. Tanner, R. H. Hadfield, S. N. Dorenbos, T. Zijlstra, V. Zwiller, M. G. Thompson, J. G. Rarity, M. J. Steel, B. Luther-Davies, B. J. Eggleton, and J. L. OBrien, Appl. Phys. Lett. 98, 051101 (2011)APPLAB000098000005051101000001.

    S. Kim, V. Gopalan, K. Kitamura, and Y. Furukawa, J. Appl. Phys 90, 2949 (2001)JAPIAU000090000006002949000001.

    S. N. Dorenbos, E. M. Reiger, U. Perinetti, V. Zwiller, T. Zijlstra, and T. M. Klapwijk, Appl. Phys. Lett. 93, 131101 (2008)APPLAB000093000013131101000001.

    M. G. Tanner, C. M. Natarajan, V. K. Pottapenjara, J. A. O'Connor, R. J. Warburton, R. H. Hadfield, B. Baek, S. Nam, S. N. Dorenbos, E. Bermudez Urena, T. Zijlstra, T. M. Klapwijk, and V. Zwiller, Appl. Phys. Lett. 96, 221109 (2010)APPLAB000096000022221109000001.


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