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Conference Paper
Organic Thin Films
Long Beach, California United States
October 15, 2001
ISBN: 1-55752-685-0
Microfabrication and Waveguides (OTuA)

Nonpoled polymeric films doped with blue-window pyrylium salt dyes for second-harmonic-generation devices

Hideki Nakayama, Okihiro Sugihara, Naomichi Okamoto, Hirohisa Saito, Atsushi Mizuno, and Ryoka Matsushima


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We have prepared polymer films doped with novel nonlinear organic ionic materials, pyrylium salt dyes, and have investigated the second-order nonlinear optical properties of these guest–host-type polymer films by changing the counterion and alkyl group derivatives. These films have no absorption in the blue-light region and have second-harmonic-generation activity without electric-field poling. The second-order nonlinearity of the nonpoled-polymer film is constant, with no relaxation at room temperature or at high temperatures. We fabricated a second-harmonic-generation device with the nonpoled-polymer film and observed Čerenkov-type phase-matched second-harmonic-generation of a Nd:YAG laser.

© 2001 Optical Society of America

OCIS Codes
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(160.5470) Materials : Polymers
(190.0190) Nonlinear optics : Nonlinear optics
(190.5040) Nonlinear optics : Phase conjugation

H. Nakayama, O. Sugihara, N. Okamoto, H. Saito, A. Mizuno, and R. Matsushima, "Nonpoled polymeric films doped with blue-window pyrylium salt dyes for second-harmonic-generation devices," in Organic Thin Films , J. Armistead, J. Heflin, A. Jen, and R. Norwood, eds., Vol. 64 of OSA Trends in Optics and Photonics (Optical Society of America, 2001), paper OTuA3.

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