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All-optical pulse switching in twin-core fiber couplers with intermodal dispersion

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2 Author(s)
Ramos, P.M. ; Inst. for Telecommun., Inst. Superior Tecnico, Lisbon, Portugal ; Paiva, C.R.

Due to the dispersion mismatch between the two supermodes of a two-channel coupler, pulse switching cannot be analyzed without taking into account the effect of intermodal dispersion. Using full numerical simulations, we show the influence of intermodal dispersion on all-optical switching with ultrashort pulses in twin-core fiber couplers. For the nonlinear regime, however, only subpicosecond and femtosecond pulses are affected in the cross state since the parallel state remains almost unaffected

Published in:

Quantum Electronics, IEEE Journal of  (Volume:35 ,  Issue: 6 )