Propagation of second-harmonic wave in quasi-phase-matching nonlinear medium |
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| Authors: | Hee Joo Choi Byoung Joo Kim Myoungsik Cha |
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| Institution: | 1. Department of Physics, Pusan National University, Busan, 609-735, Republic of Korea
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| Abstract: | We studied the propagation of the second-harmonic (SH) wave in a quasi-phase-matching (QPM) medium with a slanted nonlinear grating. By solving the electromagnetic boundary value problem for the SH wave, we derived the propagation law for the SH wave, which can be interpreted as a diffraction phenomenon. Such interpretation was supported by a series of SH generation experiments with a periodically-poled lithium niobate crystal with a slanted QPM grating. |
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