activity
20092025
most citedSpectral Engineering with Coupled Microcavities: Active Control of Resonant Mode-Splitting

49 citations · 89 across the 6 of their papers we have counts for

collaborators

7 papers

physics.optics2025

Hybrid integration of two-dimensional dichalcogenides for low power saturable absorption in photonic integrated circuits

Maria Carolina Volpato, Gustavo H. Magro, Antonio A. G. Von Zuben +3

Silicon photonics provides a versatile platform for large-scale integration of optical functions, but its weak intrinsic nonlinear response limits the realization of active, intens…

physics.app-ph2019★ 1 cited

Integrated Platform for Robust Differential Refractive Index Sensor

Andre L. Moras, Valnir C. S. Junior, Mario C. M. M. Souza +4

In this work, we demonstrate an integrated platform comprising a refractive index (RI) sensor based on Photonic Molecule (PM) that effectively mitigates the influence of environmen…

physics.optics2016★ 21 cited

Modeling quasi-dark states with Temporal Coupled-Mode Theory

Mario C. M. M. Souza, Guilherme F. M. Rezende, Luis A. M. Barea +2

Coupled resonators are commonly used to achieve tailored spectral responses and allow novel functionalities in a broad range of applications, from optical modulation and filtering…

physics.optics2015★ 49 cited

Spectral Engineering with Coupled Microcavities: Active Control of Resonant Mode-Splitting

Mario C. M. M. Souza, Guilherme Rezende, Luis A. M. Barea +3

Optical mode-splitting is an efficient tool to shape and fine-tune the spectral response of resonant nanophotonic devices. The active control of mode-splitting, however, is either…

physics.optics2013

Spectral_Engineering_with_CMOS_compatible_SOI_Photonic_Molecules

Luis A. M. Barea, Felipe Valini, Guilherme F. M. de Rezende +1

Photonic systems based on microring resonators have a fundamental constrain given by the strict relationship among free spectral range (FSR), total quality factor (QT) and resonato…

physics.optics2012

Induced Optical Losses in Optoelectronic Devices due to Focused Ion Beam Damages

Felipe Vallini, Luís Alberto Mijan Barea, Elohim Fonseca dos Reis +2

A study of damages caused by gallium focused ion beam (FIB) into III-V compounds is presented. Potential damages caused by local heating, ion implantation, and selective sputtering…

physics.optics2009★ 18 cited

Effects of Ga+ milling on InGaAsP Quantum Well Laser with mirrors etched by Focused Ion Beam

F. Vallini, D. S. L Figueira, P. F. Jarschel +4

InGaAsP/InP quantum wells (QW) ridge waveguide lasers were fabricated for the evaluation of Ga+ Focused Ion Beam (FIB) milling of mirrors. Electrical and optical proprieties were i…