Numerical analysis of optical bistability based on Fiber Bragg Grating cavity containing a high nonlinearity doped-fiber |
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| Authors: | Zhigang Zang |
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| Institution: | 1. Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS-Université de Bourgogne, 9 avenue Alain Savary, BP 47870, 21078 Dijon Cedex, France;2. FEMTO-ST/Optics department, UMR 6174 CNRS-University of Franche-Comté, 16 route de Gray, 25030 Besançon Cedex, France;3. Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Brescia, via Branze 38, 25123 Brescia, Italy;1. Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon;2. Department of Physics, Faculty of Science, University of Maroua, P.O. Box 814, Maroua, Cameroon;3. The Abdus Salam International Centre for Theoretical Physics, P.O. Box 538, Strada costiera 11, I-34014 Trieste, Italy;1. School of Electronic and Computer Engineering, Peking University, Shenzhen 518055, China;1. COBRA Research Institute, Eindhoven University of Technology, The Netherlands;2. Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Poland |
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| Abstract: | We demonstrate a new optical bistability devise by using two Fiber Bragg Gratings (FBG), in which an erbium-doped fiber (EDF) is inserted to form a nonlinear Fabry–Perot cavity (EDF FBG/F–P). The operation principle of this device is described by the resonant nonlinearity theory combining with the transfer matrix method. The optical bistability behaviors under different parameters are investigated. It shows that EDF FBG/F–P device has an evident merit in reducing the threshold switching power to 7 mW, resulting in a reduction about 6 orders, compared with that of single FBG device. Moreover, the ultra-fast response time about 35 ps is also confirmed. |
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