Optical pulse compression using cascaded quadratic nonlinearities in periodically poled lithium niobate
Satoshi AshiharaInstitute of Industrial Science, University of Tokyo, 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8505 JapanTsutomu ShimuraInstitute of Industrial Science, University of Tokyo, 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8505 JapanKazuo KurodaInstitute of Industrial Science, University of Tokyo, 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8505 JapanNan YuNational Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, JapanSunao KurimuraNational Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, JapanKenji KitamuraNational Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, JapanMyoungsik ChaDepartment of Physics and Research Center for Dielectric and Advanced Matter Physics, Pusan National University, Pusan 609-735, KoreaTakunori TairaInstitute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, 444-8585, Japan
2004en
ABI
Abstract
Efficient pulse compression was achieved by the use of cascaded quadratic nonlinearities in 10-mm-long periodically poled MgO-doped lithium niobate. An off-diagonal component of the nonlinear coefficient was utilized for group-velocity matched cascaded interactions at the fundamental wavelength of 1560 nm. Simultaneously compressed fundamental and second-harmonic pulses of ∼35 fs duration were obtained from the 110-fs-pump pulses.
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