Optical Transparency Induced by Periodic Modulation in a Passive Optical Coupler
LUO Xiao-Bing1, LIU Rong-Xuan2**, LIU Ming-Hua3, YU Xiao-Guang1, WU Dong-Lan1, HU Qiang-Lin1
1Department of Physics, Jinggangshan University, Ji'an 343009 2Department of Mathematics, Jinggangshan University, Ji'an 343009 3School of Electronics and Information Engineering, Jinggangshan University, Ji'an 343009
Abstract:We propose a scheme for the realization of optical transparency by using a periodically modulated optical coupler with losses in one waveguide. We discover that the increase of the transparency can be achieved only by varying the parameters of modulation, and such modulation-enhanced transmission is the consequence of phase transition of the quasi-energy spectrum. Our findings offer an efficient way to manipulate light transmission in realistic dissipative systems.
. [J]. 中国物理快报, 2014, 31(2): 24202-024202.
LUO Xiao-Bing, LIU Rong-Xuan, LIU Ming-Hua, YU Xiao-Guang, WU Dong-Lan, HU Qiang-Lin. Optical Transparency Induced by Periodic Modulation in a Passive Optical Coupler. Chin. Phys. Lett., 2014, 31(2): 24202-024202.