期刊
OPTICS LETTERS
卷 40, 期 7, 页码 1448-1451出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.001448
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资金
- National Natural Science Foundation of China [61178001, 61475138]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20130101110089]
- Zhejiang Provincial Natural Science Foundation of China [LY14F050006]
A reconfigurable dual-channel all-optical logic gate is proposed and experimentally demonstrated using four-wave mixing in a silicon waveguide for polarization encoding signals. Six logic functions, XNOR, AND, NOR, XOR, A (B) over bar, and (A) over barB are implemented at two different wavelength channels by adjusting the polarization states of two 10 Gb/ s non-return-to-zero polarization-shift keying (NRZ-PolSK) signals modulated by 10-bit on-off keying (OOK) sequences. The eye diagrams of the logic signals are clearly observed, and the logic functions are well demonstrated as the two incident NRZ-PolSK signals are both modulated by the OOK sequences, which originate from 2(31)-1 pseudo-random binary sequences. (C) 2015 Optical Society of America
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