Three-core nonlinear directional coupler with variable coupling coefficient

Gang Jun Liu; Binming Liang; Qu Li; Guo Liang Jin

doi:10.1117/1.1604398

1 October 2003 Three-core nonlinear directional coupler with variable coupling coefficient

Gang Jun Liu, Binming Liang, Qu Li, Guo Liang Jin

Optical Engineering, Vol. 42, Issue 10, (October 2003). https://doi.org/10.1117/1.1604398

Three core nonlinear directional couplers (TCNLDCs) with variable coupling coefficients (VCCs) are proposed. Their linear operation is examined analytically. Three types of VCC TCNLDCs are investigated numerically. Their transmission features are compared with those of their two-core counterparts. It is shown that the switching curves of VCC TCNLDCs are sharper than those of their two-core counterparts. Also the features of different types of VCC TCNLDCs are compared to each other and to the constant coupling coefficient (CCC) TCNLDC. It is found that the sidelobes in the postswitching region can be suppressed with VCC TCNLDCs and the peak transmission of VCC TCNLDCs is higher.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Gang Jun Liu, Binming Liang, Qu Li, and Guo Liang Jin "Three-core nonlinear directional coupler with variable coupling coefficient," Optical Engineering 42(10), (1 October 2003). https://doi.org/10.1117/1.1604398

Published: 1 October 2003

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