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Polarization qubit phase gate in a coupled quantum-well nanostructure |
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| Authors: | Xiangying Hao Wen-Xing Yang J. Liu C. Ding |
| Affiliation: | a School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China b Department of Physics, Southeast University, Nanjing 210096, People's Republic of China c Department of Physics, Hubei Normal University, Huangshi 435002, People's Republic of China |
| Abstract: | We show that a giant Kerr nonlinearity with a relatively large cross phase modulation (CPM) phase-shift can be used for realizing polarization quantum phase gate based on the nonlinear optical response in a coupled semiconductor double quantum well (SDQW) structure via intersubband transitions. |
| Keywords: | 03.67.Lx 78.67.De 42.65.-k |
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