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| Null Fiber Coupler with Ultra-high Splitting Ratio of 100000∶1 for All-fiber Acousto-optic Switch | |
| 作者姓名： | LI Tong PENG Jiangde LI Qun LIU Xiaoming (Department of Electronics Engineering Tsinghua University Beijing 100084 China) |
| 作者单位： | Department of Electronics Engineering，Tsinghua University，Beijing 100084，China |
| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅｆｉｂｅｒｄｅｖｉｃｅｓｂａｓｅｄｏｎｆｉｂｅｒｆｕｓｅｄｎｕｌｌｃｏｕｐｌｅｒａｒｅｒｅｃｅｎｔｌｙｏｆｇｒｅａｔｉｎｔｅｒｅｓｔ.Ａｌｌ ｆｉｂｅｒａｃｏｕｓｔｏ ｏｐｔｉｃｓｗｉｔｃｈ[1] ,ｔｕｎａｂｌｅｏｐｔｉｃａｌｆｉｌｔｅｒ[2 ] ,ｏｐｔｉｃａｌａｄｄ ｄｒｏｐｍｕｌｔｉｐｌｅｘｅｒ (ＯＡＤＭ ) [3] ａｎｄｆｉｂｅｒｐｏｌａｒｉｚｅｒ[4 ] ｈａｖｅｂｅｅｎｒｅｐｏｒｔｅｄ .Ｆｏｒａｌｌｔｈｅｓｅａｐｐｌｉｃａｔｉｏｎｓ ,ｎｕｌｌｃｏｕｐｌｅｒｗｉｔｈｌｏｗ… |
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