Tunneling-induced large cross-phase modulation in an asymmetric quantum well |
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| Authors: | Sun Hui Niu Yueping Li Ruxin Jin Shiqi Gong Shangqing |
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| Affiliation: | State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China. |
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| Abstract: | We propose an asymmetric double AlGaAs/GaAs quantum well structure with a common continuum to generate a large cross-phase modulation (XPM). It is found, owing to resonant tunneling, that a large XPM can be achieved with vanishing linear and two-photon absorptions. |
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