Solid-State Anti-Stokes Raman Shifter Covering Extremely Broadband Tunable Range

Jun-ichi Takahashi; Keisuke Mano; Toshirou Yagi

doi:10.1143/JJAP.45.5084

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Solid-State Anti-Stokes Raman Shifter Covering Extremely Broadband Tunable Range

Jun-ichi Takahashi, Keisuke Mano and Toshirou Yagi

Published 8 June 2006 • Copyright (c) 2006 The Japan Society of Applied Physics
Japanese Journal of Applied Physics, Volume 45, Part 1, Number 6A

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Author affiliations

Research Institute for Electronic Science, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo 060-0812, Japan

Dates

Received 17 February 2006
Accepted 5 March 2006
Published 8 June 2006

Citation

Jun-ichi Takahashi et al 2006 Jpn. J. Appl. Phys. 45 5084

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DOI

https://doi.org/10.1143/JJAP.45.5084

PACS

42.65.Dr, 42.15.Eq, 78.30.Hv, 63.22.-m

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Abstract

The broadband Raman conversion of femtosecond-light pulses to the anti-Stokes side is demonstrated. A 130 fs light pulse from a Ti:sapphire-based regenerative amplifier system is divided into two light pulses. They are focused on a SrTiO₃ crystal with a finite cross angle. Over 24 higher-order coherent anti-Stokes Raman scattering signals are observed, which cover from near infrared to green. These higher-order coherent anti-Stokes Raman scattering (CARS) signals come from the resonant excitation of two-phonon waves. The results offer a possibility of an all solid-state anti-Stokes Raman shifter covering an extremely broadband tunable range.

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