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Tunable high-order sideband spectra generation using a photonic molecule optomechanical system
Cong Cao1, Si-Chen Mi1, Yong-Pan Gao1
1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
Scientific Reports
|March 11, 2016
Summary
We demonstrate tunable high-order sideband generation in a photonic molecule optomechanical system. This method, driven by a two-tone laser, shows potential for optical frequency combs and communications.
Area of Science:
- Quantum optics
- Optomechanics
- Photonics
Background:
- Photonic molecule systems offer unique light-matter interactions.
- Optomechanical systems couple mechanical motion to optical fields.
- Non-perturbative regimes reveal complex nonlinear phenomena.
Purpose of the Study:
- To present a tunable scheme for high-order sideband spectra generation.
- To explore nonlinear dynamics in a photonic molecule optomechanical system.
- To investigate potential applications in optical communications and frequency combs.
Main Methods:
- Utilizing a photonic molecule optomechanical system coupled to a waveguide.
- Coherent driving with a two-tone laser (continuous-wave control and pulsed driving fields).
- Numerical simulations to analyze frequency spectral features of the output field.
Main Results:
- Generation of high-order sideband frequency spectra under intense, nanosecond pulse driving.
- Tunable output spectrum by adjusting driving pulse power and cavity coupling rates.
- Observation of carrier-envelope phase-dependent effects in sideband generation.
Conclusions:
- The photonic molecule optomechanical system enables tunable high-order sideband generation.
- The system provides insights into nonlinear cavity optomechanics beyond perturbation theory.
- Potential applications in optical frequency combs and communication systems are highlighted.
