%0 Journal Article %1 WOS:000266105400010 %A da Ferreira, Alisson C %A Sobrinho, C S %A Menezes, J W M %A Fraga, W B %A Rocha, H H B %A Jr., A Wirth L %A Saboia, K D A %A Guimaraes, G F %A Filho, J M S %A Sombra, A S B %C 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND %D 2009 %I TAYLOR & FRANCIS LTD %J JOURNAL OF MODERN OPTICS %K (ASK); (NLDC); (PAM); all-optical amplitude coupler coupler; directional dual gate; keying logical modulation processing} pulse shift signal soliton; symmetric {nonlinear %N 8 %P 1004-1013 %R 10.1080/09500340902871371 %T A performance study of an all-optical logic gate based in PAM-ASK %V 56 %X In this paper a numerical study of an all-optical logical gate based in a symmetric nonlinear directional coupler (NLDC) operating with two ultrashort fundamental soliton pulses of 2ps, modulated by PAM-ASK with binary amplitude modulation to represent the logical level 1 and 0, is presented. The performance of a symmetric dual core NLDC performing two-input logical functions is examined. Initially, we evaluate the effect resulting from an increment in the PAM coding parameter offset (epsilon), considering the anomalous Group Velocity Dispersion (GVD), nonlinear Self Phase Modulation (SPM) in a lossless configuration. We can conclude that is possible to get logical operations for the cores 1 or 2 since a phase control exists which is applied to the input pulse in fiber 1.

@article{WOS:000266105400010, abstract = {In this paper a numerical study of an all-optical logical gate based in a symmetric nonlinear directional coupler (NLDC) operating with two ultrashort fundamental soliton pulses of 2ps, modulated by PAM-ASK with binary amplitude modulation to represent the logical level 1 and 0, is presented. The performance of a symmetric dual core NLDC performing two-input logical functions is examined. Initially, we evaluate the effect resulting from an increment in the PAM coding parameter offset (epsilon), considering the anomalous Group Velocity Dispersion (GVD), nonlinear Self Phase Modulation (SPM) in a lossless configuration. We can conclude that is possible to get logical operations for the cores 1 or 2 since a phase control exists which is applied to the input pulse in fiber 1.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND}, author = {da Ferreira, Alisson C and Sobrinho, C S and Menezes, J W M and Fraga, W B and Rocha, H H B and Jr., A Wirth L and Saboia, K D A and Guimaraes, G F and Filho, J M S and Sombra, A S B}, biburl = {https://www.bibsonomy.org/bibtex/2c7f445816d63baf0b7d625d653eefdbe/ppgfis_ufc_br}, doi = {10.1080/09500340902871371}, interhash = {15b3de05123e75fe6afc67c7ab3bc080}, intrahash = {c7f445816d63baf0b7d625d653eefdbe}, issn = {0950-0340}, journal = {JOURNAL OF MODERN OPTICS}, keywords = {(ASK); (NLDC); (PAM); all-optical amplitude coupler coupler; directional dual gate; keying logical modulation processing} pulse shift signal soliton; symmetric {nonlinear}, number = 8, pages = {1004-1013}, publisher = {TAYLOR & FRANCIS LTD}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {A performance study of an all-optical logic gate based in PAM-ASK}, tppubtype = {article}, volume = 56, year = 2009 }