Now showing items 1-10 of 285
Power switching in hybrid coherent couplers
We report on a theoretical and numerical investigation of the switching of power in new hybrid models of nonlinear coherent couplers consisting of optical slab waveguides with various orders of nonlinearity. The first model ...
A spot reflection alignment system for fabrication of polarization-maintaining optical fiber couplers
(John Wiley & Sons IncNew YorkEUA, 1998)
Controlling all-optical switching in multicore nonlinear couplers
(ELSEVIER SCIENCE, 2003-10-15)
We demonstrate how to improve the switching power and performance of all-optical nonlinear couplers by introducing linear control waveguides. In particular, we demonstrate this idea for a three-core coupler consisting of ...
Evaluation of narrowband coupling techniques against frequency variationEvaluation of narrowband coupling techniques against frequency variation
(Instituto Tecnológico de Santo Domingo (INTEC), 2023)
Compact dual-polarization silicon integrated couplers for multicore fibers
(Optical Soc Amer, 2021-08-01)
Compact fiber-to-chip couplers play an important role in optical interconnections, especially in data centers. However, the development of couplers has been mostly limited to standard single-mode fibers, with few devices ...
Coupling properties of directional couplers based on special waveguides
The coupling characteristics of a novel kind of directional couplers composed by two parallel non-conventional waveguides are theoretically analyzed in details.The coupling length as a function of the operating wavelength ...
Synthesis of Optical Filters Using Sagnac Interferometer in Ring Resonator
We propose a new synthesis method for the implementation of infinite impulse response filters, using a Sagnac interferometer within a ring resonator. This structure permits the synthesis of second-order optical functions ...
Novel tuneable filter based on MZ and an amplified ring resonator for OFDM networks
A novel reconfigurable fibre based tuneable filter is proposed. The module relies on a cascaded connection of Mach-Zehnders and an amplified fibre ring resonator. MHz range adjustable FHWM bandwidths and high crosstalk are ...
Aplicações de Dispositivos de Microondas utilizando Substrato EBG/PBG para Comunicações Móveis
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia ElétricaAutomação e Sistemas; Engenharia de Computação; Telecomunicações, 2011-07-26)
The modern society depends on an efficient communications system able to of transmitting and receiving information with a higher speed and reliability every time. The need for ever more efficient devices raises optimization ...