Lithium niobate opto-electro-mechanics

• Grant number: 19/14377-5
• Support Opportunities: Scholarships in Brazil - Doctorate (Direct)
• Start date: August 01, 2019
• End date: February 08, 2025
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Gustavo Silva Wiederhecker
• Grantee: Caique Conde Rodrigues
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
• Associated research grant: 18/15577-5 - Nonlinear nanophotonics circuits: building blocks for optical frequency synthesis, filtering and signal processing, AP.JP2
• Associated scholarship(s): 22/11486-0 - Backward Brillouin scattering in lithium niobate, BE.EP.DD

Abstract

Lithium Niobate (LN) is a material with wide range of applications in optical and microwave technologies, owing to its unique properties that include large second order nonlinear susceptibility, large piezoelectricity, wide optical transparency, and high refractive index. Conventional LN devices, including fiber-optic modulators and periodically-poled frequency converters, have been the workhorse of the optoelectronics industry, while Surface-Acoustic-Wave (SAW) filters can be found in nearly every phone these days. Optical waveguides in these components are defined by ion-diffusion or proton exchange methods, which result in low index contrast and weak optical confinement. Integrated LN platform featuring sub-wavelength scale light confinement and dense integration of optical and electrical components, has the potential to revolutionize optical communication, microwave photonics, and SAW technology. In this PhD propostal we will explore hybrid opto-electro-mechanical resonators based on LN nanophotonic platform. (AU)

Scientific publications

(4)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

RODRIGUES, CAIQUE C.; ZURITA, ROBERTO O.; ALEGRE, THIAGO P. M.; WIEDERHECKER, GUSTAVO S.. Stimulated Brillouin scattering by surface acoustic waves in lithium niobate waveguides. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, v. 40, n. 5, p. 8-pg., 2023-05-01. (18/15580-6, 22/11486-0, 19/14377-5, 18/15577-5, 18/25339-4, 19/13564-6)

RODRIGUES, CAIQUE C.; KERSUL, CAUE M.; PRIMO, ANDRE G.; LIPSON, MICHAL; ALEGRE, THIAGO P. MAYER; WIEDERHECKER, GUSTAVO S.. Optomechanical synchronization across multi-octave frequency spans. NATURE COMMUNICATIONS, v. 12, n. 1, SEP 24 2021. (19/14377-5, 20/06348-2, 18/15577-5, 19/09738-9, 17/24845-0, 18/15580-6, 18/25339-4)

RODRIGUES, CAIQUE C.; KERSUL, CAUE M.; LIPSON, MICHAL; ALEGRE, THIAGO P. M.; WIEDERHECKER, GUSTAVO S.; IEEE. High-Harmonic Synchronization of Optomechanical Oscillators. 2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), v. N/A, p. 2-pg., 2020-01-01. (19/14377-5, 17/24845-0, 18/15580-6, 18/15577-5, 17/14920-5, 18/25339-4)

LUIZ, GUSTAVO DE O.; RODRIGUES, CAIQUE C.; ALEGRE, THIAGO P. MAYER; WIEDERHECKER, GUSTAVO S.. Synchronization of silicon thermal free-carrier oscillators. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, v. 40, n. 7, p. 7-pg., 2023-07-01. (18/15577-5, 19/14377-5, 18/25339-4, 18/15580-6)