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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 10 — May. 15, 2006
  • pp: 1510–1512

Enhanced second-harmonic generation for multiple wavelengths by defect modes in one-dimensional photonic crystals

Li-Ming Zhao and Ben-Yuan Gu  »View Author Affiliations

Optics Letters, Vol. 31, Issue 10, pp. 1510-1512 (2006)

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We present an effective design of aperiodically stacked layers of nonlinear material and air, sandwiched by two truncated photonic crystals, in terms of the simulation annealing method. The constructed structure can achieve multiple-wavelength second-harmonic generation (SHG) at the preassigned wavelengths. We derive a general solution of SHG in 1D inhomogeneous systems and apply it to evaluate the SHG conversion efficiency. Numerical simulations show that the conversion efficiency of SHG can be significantly enhanced when the fundamental wave frequencies are assigned to the designed defect states.

© 2006 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4160) Nonlinear optics : Multiharmonic generation

ToC Category:
Nonlinear Optics

Original Manuscript: December 22, 2005
Revised Manuscript: February 11, 2006
Manuscript Accepted: February 20, 2006

Li-Ming Zhao and Ben-Yuan Gu, "Enhanced second-harmonic generation for multiple wavelengths by defect modes in one-dimensional photonic crystals," Opt. Lett. 31, 1510-1512 (2006)

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