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Integrated III-V Photonic Crystal--Si waveguide platform with tailored optomechanical coupling
Viktor Tsvirkun1, Alessandro Surrente1, Fabrice Raineri1,2
1Laboratoire de Photonique et Nanostructures LPN-CNRS UPR-20, Route de Nozay, 91460 Marcoussis, France.
Scientific Reports
|November 17, 2015
Summary
We developed a new method to integrate optomechanical resonators on chips, enabling control over light-matter interactions for advanced signal processing and cooling experiments.
Area of Science:
- Optomechanics
- Nanophotonics
- Solid-state physics
Background:
- Optomechanical systems couple mechanical vibrations to electromagnetic radiation, enabling novel physical effects.
- Integrating optomechanical resonators is crucial for realizing complex functionalities on a single chip.
Purpose of the Study:
- To propose and investigate a novel heterogeneous integration approach for optomechanical resonators.
- To explore the optomechanical coupling mechanisms in the proposed system.
Main Methods:
- Heterogeneous integration of 2D photonic crystal defect cavities on silicon-on-insulator waveguides.
- Investigation of the optomechanical response by controlling optical coupling.
- Analysis of dispersive and dissipative coupling mechanisms.
Main Results:
- Successful integration of optomechanical resonators on a scalable platform.
- Demonstration of tunable optomechanical coupling involving both dispersive and dissipative effects.
- Understanding the influence of optical coupling on the relative strength of these mechanisms.
Conclusions:
- The proposed scalable platform offers unprecedented control over optomechanical coupling.
- This approach benefits optomechanical cooling experiments and multi-element optomechanical circuits.
- Potential applications include optomechanically-driven signal processing.
