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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.
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Keywords:
- optical communication /
- all-optical logic gate /
- high nonlinear fiber /
- nonlinear polarization rotation
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[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 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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