%0 Conference Paper %1 WOS:000089938100046 %A Sombra, ASB %A Nobrega, KZ %A da Silva, MG %B 1999 SBMO/IEEE MTT-S INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE, PROCEEDINGS, VOLS 1 & 2: WIRELESS AND PHOTONICS BUILDING THE GLOBAL INFOWAYS %C 345 E 47TH ST, NEW YORK, NY 10017 USA %D 1999 %E Fragnito, HE HernandezFigueroa and HL %I IEEE %K coupler; directional index modulation; profile} refractive self-phase {nonlinear %P 207-210 %T Numerical studies in twin core directional couplers using asymmetric nonlinear refractive index profiles %X Nonlinear directional couplers including an increasing self-phase modulation profile are examined. In this case, the asymmetry is associated to one channel having an unitary steady value while the other one will have a different nonlinear refractive index profile. Looking at the transmission characteristics of the device, one observes that it is possible to decrease much more the critical power or to present regions of multistability depending on which channel the power is pumped. It is concluded that the asymmetry can lead the coupler to operate in a multivalued function of the critical power for certain values of nonlinear parameters. %@ 0-7803-5807-4

@inproceedings{WOS:000089938100046, abstract = {Nonlinear directional couplers including an increasing self-phase modulation profile are examined. In this case, the asymmetry is associated to one channel having an unitary steady value while the other one will have a different nonlinear refractive index profile. Looking at the transmission characteristics of the device, one observes that it is possible to decrease much more the critical power or to present regions of multistability depending on which channel the power is pumped. It is concluded that the asymmetry can lead the coupler to operate in a multivalued function of the critical power for certain values of nonlinear parameters.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {345 E 47TH ST, NEW YORK, NY 10017 USA}, author = {Sombra, ASB and Nobrega, KZ and da Silva, MG}, biburl = {https://www.bibsonomy.org/bibtex/2f1bfd3a1184e63739117b259b61a18d1/ppgfis_ufc_br}, booktitle = {1999 SBMO/IEEE MTT-S INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE, PROCEEDINGS, VOLS 1 & 2: WIRELESS AND PHOTONICS BUILDING THE GLOBAL INFOWAYS}, editor = {Fragnito, HE {HernandezFigueroa and HL}}, interhash = {f45f99f79823e879a99e08b375ff09dc}, intrahash = {f1bfd3a1184e63739117b259b61a18d1}, isbn = {0-7803-5807-4}, keywords = {coupler; directional index modulation; profile} refractive self-phase {nonlinear}, note = {1999 SMBO/IEEE MTT-S International Microwave and Optoelectronics Conference, RIO JANEIRO, BRAZIL, AUG 09-12, 1999}, organization = {Soc Brasileira Microondas & Optoelectr; IEEE}, pages = {207-210}, publisher = {IEEE}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Numerical studies in twin core directional couplers using asymmetric nonlinear refractive index profiles}, tppubtype = {inproceedings}, year = 1999 }