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physics.optics2008
A Diffractive Study of Parametric Process in Nonlinear Photonic Crystals
H. C. Guo, Y. Q. Qin, G. J. You +2
We report a general description of quasi-phase-matched parametric process in nonlinear photonic crystals (NLPC) by extending the conventional X-ray diffraction theory in solids. Un…
physics.optics2000★ 14 cited
Sub-Doppler resolution with double coherently driving fields
Po Dong, A. K. Popov, Tang Sing Hai +1
We propose a four-level model where sub-Doppler resolution as well as enhanced absorption of a weak probe field are realized by using two coherently driving fields. We show that sp…