| 光纤光栅光学双稳态器件 |
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| 引用本文： | 张远程,张颖.光纤光栅光学双稳态器件[J].中国激光,1998,25(9):809-812. |
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| 作者姓名： | 张远程 张颖 |
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| 作者单位： | 武汉大学理学院(张远程)，信息产业部电信科学技术研究院通信技术发展研究中心(张颖) |
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| 基金项目： | 国家自然科学基金高技术探索项目 |
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| 摘 要： | 提出在一段掺铒光纤上制作一对光纤光栅可构成一种新型低功率高速光双稳器件。利用分布反馈耦合波理论结合掺铒光纤非线性特点分析了器件的运转和双稳阈值，表明在现有技术条件下，可实现纳秒微瓦级厘米尺寸器件的光双稳运转。
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| 关 键 词： | 光学非线性，光学双稳态，光纤光栅，掺铒光纤 |
| 收稿时间： | 1997/6/2 |
Optical Bistability Devices with Fiber optical Gratings |
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| Zhang Yuancheng.Optical Bistability Devices with Fiber optical Gratings[J].Chinese Journal of Lasers,1998,25(9):809-812. |
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| Authors: | Zhang Yuancheng |
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| Abstract: | It is proposed that a segmant of an Er doped fiber with a couple of fiber gratings on the ends may be used as a novel optical bistability device with low power and high speed. Operation and bistability threshold of the device are analysed in accordance with the distributed feedback couple mode theory and the nonlinear characteristic of the Er doped fiber. It is shown that a nanoseconds microwatts bistable operation of a centimeters sized device is realizable under nowaday technological conditions. |
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| Keywords: | optical nonlinearity optical bistability optical fiber grating Er doped optical fiber |
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