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Proceedings Paper

Experimental research on 10 Gb/s all-optical logic gates with return-to-zero data in high nonlinear fiber
Author(s): Wenrui Wang; Jinlong Yu; Bingchen Han; Jingzhong Guo; Jun Luo; Ju Wang; Yi Liu; Enze Yang
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Paper Abstract

A novel scheme to realize all-optical logic gates is proposed bases on nonlinear polarization rotation (NPR) in high nonlinear fiber (HNLF). Two optical signals A and B with return-to-zero data format are injected into the HNLF together with a continuous wave C. Thanks to the optical power variation in HNLF, nonlinear birefringence will be induced between the two polarization axes. Thus it results in the nonlinear polarization rotation of the lightwave in the HNLF. Both the optical signal and continuous wave are filtered out at the output of HNLF using optical band-pass filter. By adjusting the optical power and 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. Theoretical analysis of the simultaneously realization of the multiple optical logic gates based on NPR in HNLF is provided. And we demonstrated the feasibility of the scheme by realizing all optical "and", "not", "nxor", "A•B", "A•B ", half-adder and half-subtracter at 10Gb/s operation.

Paper Details

Date Published: 28 November 2011
PDF: 6 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 830829 (28 November 2011); doi: 10.1117/12.904415
Show Author Affiliations
Wenrui Wang, Tianjin Univ. (China)
Jinlong Yu, Tianjin Univ. (China)
Bingchen Han, Tianjin Univ. (China)
Shanxi Datong Univ. (China)
Jingzhong Guo, Tianjin Univ. (China)
Jun Luo, Tianjin Univ. (China)
Ju Wang, Tianjin Univ. (China)
Yi Liu, Tianjin Univ. (China)
Enze Yang, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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