| 魏志虎,王荣,方涛,蒲涛,孙帼丹,熊锦添,甄飞.基于非线性色散补偿光栅的可调谐光电振荡器[J].光电子激光,2012,(9):1649~1653 |
| 基于非线性色散补偿光栅的可调谐光电振荡器 |
| A tunable optoelectronic oscillator based on the non-linear dispersion compensation fiber Bragg grating |
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| DOI： |
| 中文关键词: 色散 微米波产生 可调谐光电振荡器 |
| 英文关键词:chromatic dispersion microwave generation tunable optoelectronic oscillator(OEO) |
| 基金项目:国家“973”计划(2012CB315603);国家自然科学基金重点(61032005);国家自然科学基金(61177065,61174199)资助项目 |
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| 中文摘要: |
| 为实现光电振荡器(OEO)输出频率的连续可调,提出一种新型的基于非线性色散补偿光栅(FBG)实现可调谐OEO方案。本文方案不需要电滤波器,且振荡频率随着光源的波长变化而变化。其中,三阶色散补偿FBG可以采用FBG重构算法设计。当光源波长从1 550.6nm变化到1 551.4nm时,相应的色散为340～1 460ps/nm,输出频率的调谐范围为6.5～13.5GHz,实现了振荡频率的大范围可调谐。 |
| 英文摘要: |
| An optically tunable optoelectronic oscillator(OEO) by tuning the wavelength without any electronic microwave filter is proposed and demonstrated to obtain continually tunable output frequency.The oscillating microwave is determined by the wavelength,the tunability of frequency is realized by a three-order dispersion-compensating fiber Bragg grating(FBG),and it is designed by the FBG reconstruction method.When the wavelength of input signal changes from 1 550.6 nm to 1 551.4 nm,the dis-persion will change from 340 ps/nm to 1 460 ps/nm,As a result,the output frequency changes from 6.5 GHz to 13.5 GHz,and the tunable range is large. |
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