基于高非线性光纤中非线性偏振旋转效应的全光逻辑门研究

王文睿; 于晋龙; 韩丙辰; 郭精忠; 罗俊; 王菊; 刘毅; 杨恩泽

doi:10.7498/aps.61.084214

摘要

提出了一种新型的基于高非线性光纤(HNLF)中非线性偏振旋转(NPR)效应的全光逻辑门实现方案. 将两路非归零码数据信号A和B以及一路直流光同时注入HNLF, 光功率变化导致的非线性双折射在两个偏振分量上引入非线性相对相移, 从而导致光信号的偏振态旋转. 在HNLF输出端, 通过波分解复用器和偏振分束器同时滤出数据信号和直流光的正交偏振态, 从而同时实现多种基础组合逻辑, 并可以在同一段HNLF中实现较为复杂的半加器、半减器逻辑功能. 理论分析了信号光在HNLF中的偏振态演化, 以及利用HNLF中的NPR效应同时实现多种全光逻辑门的原理. 并在实验中得到了10 Gbit/s全光信号与、非、或、同或、异或、A B、AB、半加器、半减器等逻辑功能, 验证了方案的可行性.

关键词:

Abstract

A novel scheme to realize all-optical logic gates is proposed based on nonlinear polarization rotation (NPR) in high nonlinear fiber (HNLF). Two optical signals A and B together with a continuous wave are injected into the HNLF. Due to the optical power variation in HNLF, nonlinear birefringence will be induced between the two polarization axes. Both the optical signal and the continuous wave are filtered out at the output of HNLF. By controlling the optical power and the polarization of the optical signal as well as the polarization of the polarizer with respect to the polarization of optical signal/continuous wave, multiple all-optical logic gates can be realized. The theoretical analysis of the optical logic gates based on NPR in HNLF is provided. And the feasibility of the scheme is demonstrated by realizing all opticaland,not,or,xor,nxor,A B,AB, half-adder and half-subtracter at 10 Gbit/s operation.

Keywords:

作者及机构信息

1.
天津大学电子信息工程学院, 天津 300072;

2.
山西大同大学物理与电子科学学院, 大同 037009

基金项目: 国家自然科学基金重点项目(批准号: 60736035)、国家重点基础研究发展计划(批准号: 2010CB327603, 2012CB315704)和山西省青年科学基金(批准号: 2011021018)资助的课题.

Authors and contacts

1.
School of Electronic and Information Engineering, Tianjin University, Tianjin 300072, China;

2.
School of Physics and Electronic Science, Shanxi Datong University, Datong 037009, China

Funds: Project supported by the Key Program of the National Natural Science Foundation of China (Grant No. 60736035), the State Key Development Program for Basic Research of China (Grant Nos. 2010CB327603, 2012CB315704), and the Science Foundation for Young Scientists of Shanxi Province, China (Grant No. 2011021018).

参考文献

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[7]	Singh S, Lovkesh L 2011 IEEE J. Sel. Top. Quantum Electron. 47 1
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[9]	Kumar S, Willner A E, Gurkan D, Parameswaran K R, Fejer M M 2006 Opt. Express 14 10255
[10]	Lai D M, Kwok C H, Wong K K 2008 Opt. Express 16 18362
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施引文献

[1]	Mahony O, Politi C, Klonidis D, Nejabati R, Simeonidou D 2006 J. Lightwave Technol. 24 4684.
[2]	Zhang X L, Dong J J, Wang Y, Huang D X 2005 Acta Phys. Sin. 54 2066 (in Chinese) [张新亮, 董建绩, 王颖, 黄德修 2005 物理学报 54 2066]
[3]	Bhambri K, Jayjee G K, Neena G, Divya D 2011 Proceedings of the 13th International Conference on Transparent Optical Networks (Warsaw: National Institute of Telecommunications) Tu.P.15
[4]	Dong J J, Zhang X L, Xu J, Huang D X 2008 Opt. Commun. 281 1710
[5]	Li Z H, Li G F 2006 IEEE Photon. Technol. Lett. 18 1341
[6]	Theophilopoulos G, Yiannopoulos K, Kalyvas M, Bintjas C, Kalogerakis G, Avramopoulos H, Occhi L, Schares L, Guekos G, Hansmann S, Dall'Ara R 2001 Proceedings of the Conference on Optical Fiber Communications (New York: Optical Society of America) MB2
[7]	Singh S, Lovkesh L 2011 IEEE J. Sel. Top. Quantum Electron. 47 1
[8]	Sa L M, Silva H, Andre P, Nogueira R 2011 Proceedings of the International Conference on Computer as a Tool (Lisbon: Instituto Superior Técnico) p1
[9]	Kumar S, Willner A E, Gurkan D, Parameswaran K R, Fejer M M 2006 Opt. Express 14 10255
[10]	Lai D M, Kwok C H, Wong K K 2008 Opt. Express 16 18362
[11]	Bogoni A, Poti L, Proietti R, Meloni G, Ponzini F, Ghelfi P 2005 Electron. Lett. 41 435
[12]	Yi L L, Hu W S, He H, Dong Y, Jin Y H, Sun W Q 2011 Chin. Opt. Lett. 9 030603
[13]	Phongsanam P, Polar A, Moongfangklanga N, Mitatha S, Yupapin P P 2011 Proceedings of the 8th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (Khon Kaen: Khon Kaen University) p149
[14]	Han B C, Yu J L, Zhang L T, Wang W R, Jiang Y, Zhang A X, Yang E Z 2009 Acta Opt. Sin. 29 2082 (in Chinese) [韩丙辰, 于晋龙, 张立台, 王文睿, 江阳, 张爱旭, 杨恩泽 2009 光学学报 29 2082]
[15]	Agrawal G P 2000 Nonlinear Fiber Optics (3rd ed) (Burlington: Elsevier Science) p130
[16]	Fietz C, Shvets G 2007 Opt. Lett. 36 1683

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