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Proceedings Paper

Single-SOA-based all-optical XNOR and AND gates
Author(s): Pei-li Li; De-xiu Huang; Xin-liang Zhang; Guang-xi Zhu
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Paper Abstract

Semiconductor optical amplifier (SOA)-based all-optical XNOR and AND gates using four-wave mixing (FWM) and cross-gain modulation (XGM) with improved dynamics are simultaneously realized. The effects of the input optical wave powers and injection current on the critical factors of the logic gate performances, such as the ON-OFF contrast ratio, the output power level of the logic "1", and the output power difference of the logic "1", are theoretically investigated in detail. In addition, the effect of the counter-propagating CW pump on the gain recovery is analyzed.

Paper Details

Date Published: 26 November 2007
PDF: 11 pages
Proc. SPIE 6782, Optoelectronic Materials and Devices II, 67822H (26 November 2007); doi: 10.1117/12.741386
Show Author Affiliations
Pei-li Li, Huazhong Univ. of Science and Technology (China)
De-xiu Huang, Huazhong Univ. of Science and Technology (China)
Xin-liang Zhang, Huazhong Univ. of Science and Technology (China)
Guang-xi Zhu, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 6782:
Optoelectronic Materials and Devices II
Yoshiaki Nakano, Editor(s)

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