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All-fiber logical devices based on the nonlinear directional coupler

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2 Author(s)
Youfa Wang ; Dept. of Electron. Eng., Shanghai Maritime Univ., China ; Jianhua Liu

We have studied theoretically the transmission of lightwave through cascaded nonlinear directional couplers with two-input excitations. Various types of all optical logic operations including AND, OR, XOR, NOR, NXOR, and NAND are available in the same cascaded nonlinear fiber coupler structure.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 1 )