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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 19, Iss. 9 — Sep. 1, 2002
  • pp: 2129–2140

Giant optical second-harmonic generation in single and coupled microcavities formed from one-dimensional photonic crystals

Tatyana V. Dolgova, Anton I. Maidykovski, Michail G. Martemyanov, Andrey A. Fedyanin, Oleg A. Aktsipetrov, Gerd Marowsky, Vladimir A. Yakovlev, Giorgio Mattei, Narumi Ohta, and Seiichiro Nakabayashi  »View Author Affiliations


JOSA B, Vol. 19, Issue 9, pp. 2129-2140 (2002)
http://dx.doi.org/10.1364/JOSAB.19.002129


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Abstract

The nonlinear optical properties of one-dimensional all-solid-state photonic-crystal microcavities (MCs) are experimentally studied by second-harmonic generation (SHG) spectroscopy in both the frequency and the wave-vector domains. The studied single and coupled MCs are formed by the alternating of mesoporous silicon layers of different porosities. When the fundamental radiation is in resonance with the MC mode the second-harmonic intensity is enhanced by a factor of approximately 102. The resonant SHG response is compared with the off-resonance response, as the fundamental wavelength is outside the photonic bandgap. The splitting of the modes of two identical coupled MCs is observed in the wave-vector domain spectrum of enhanced SHG. The SHG enhancement is attributed to the combined effects of the spatial localization of the fundamental field in the MC spacer and the fulfillment of the phase-matching conditions. The confinement of the resonant fundamental field is probed directly at the MC cleavage by a scanning near-field optical microscope. The role of the phase matching that is associated with the giant effective dispersion in the spectral vicinity of the MC mode is deduced from a comparison with the SHG peaks at both edges of the photonic bandgap.

© 2002 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(230.4170) Optical devices : Multilayers

Citation
Tatyana V. Dolgova, Anton I. Maidykovski, Michail G. Martemyanov, Andrey A. Fedyanin, Oleg A. Aktsipetrov, Gerd Marowsky, Vladimir A. Yakovlev, Giorgio Mattei, Narumi Ohta, and Seiichiro Nakabayashi, "Giant optical second-harmonic generation in single and coupled microcavities formed from one-dimensional photonic crystals," J. Opt. Soc. Am. B 19, 2129-2140 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-9-2129

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