Gain leveling using electromagnetically induced transparency |
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| Institution: | 1. State Key Laboratory of Integrated Opto-Electronics, Jilin University, Changchun 130023, PR China;2. Key Laboratory of Coherent Light and Atom and Molecule Spectroscopy of Ministry of Education, Jilin University, Changchun 130023, PR China |
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| Abstract: | We propose and demonstrate a scheme of gain leveling for erbium-doped fiber amplifier (EDFA) by applying a strong coherent field to a three level amplified system using electromagnetically induced transparency. Due to the effect of this coupling field on the Stark-splitting sublevels, this scheme can be realized a flat gain operating around 1.53 μm. |
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