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; Ryoka Matsushima

doi:10.1364/JOSAB.15.000477

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, Ryoka Matsushima

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

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 quest-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 temperature. We fabricated a second-harmonic-generation device with the nonpoled-polymer film and observed Cerenkov-type phase-matched second-harmonic-generation of a Nd:YAG Laser.

Original language	English
Pages (from-to)	477-483
Number of pages	7
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	15
Issue number	1
DOIs	https://doi.org/10.1364/JOSAB.15.000477
Publication status	Published - 1998 Jan

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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Nonpoled polymeric films doped with blue-window pyrylium salt dyes for second-harmonic-generation devices. / Nakayama, Hideki; Sugihara, Okihiro; Okamoto, Naomichi; Saito, Hirohisa; Mizuno, Atsushi; Matsushima, Ryoka.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 15, No. 1, 01.1998, p. 477-483.

Research output: Contribution to journal › Article › peer-review

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