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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 3 — Mar. 1, 2004
  • pp: 671–680

Photonic bandgap structures in planar nonlinear waveguides: application to squeezed-light generation

D. Tricca, C. Sibilia, S. Severini, M. Bertolotti, M. Scalora, C. M. Bowden, and K. Sakoda  »View Author Affiliations


JOSA B, Vol. 21, Issue 3, pp. 671-680 (2004)
http://dx.doi.org/10.1364/JOSAB.21.000671


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Abstract

Quadrature-amplitude and phase squeezing are theoretically investigated in a planar waveguide geometry where the use of a linear grating fabricated on top of the waveguide reproduces a photonic bandgap structure. The introduction of a nonlinear grating, obtained with a modulation of the nonlinear susceptibility χ(2), provides an additional degree of freedom that allows, together with the linear grating, tuning of the fundamental field in a selected resonance of the transmission spectrum and, at the same time, control of the phase-matching condition between the fundamental and second-harmonic fields. The results show that quadrature-amplitude squeezing is achieved for the fundamental field, increasing the second-harmonic input intensity. The second-harmonic field is tuned in the passband of the photonic bandgap. The low nonlinear conversion efficiency, given by a suitable selection of the mismatch, gives rise to the possibility of having a fundamental field of quite the same intensity, but less noisy than at the entry.

© 2004 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4360) Nonlinear optics : Nonlinear optics, devices
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

Citation
D. Tricca, C. Sibilia, S. Severini, M. Bertolotti, M. Scalora, C. M. Bowden, and K. Sakoda, "Photonic bandgap structures in planar nonlinear waveguides: application to squeezed-light generation," J. Opt. Soc. Am. B 21, 671-680 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-3-671

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