A dissipative self-sustained optomechanical resonator on a silicon chip

• Main Authors: Huang, J. G., Li, Y., Chin, Lip Ket, Cai, H., Gu, Y. D., Karim, Muhammad Faeyz, Wu, J. H., Chen, T. N., Yang, Z. C., Hao, Y. L., Qiu, C. W., Liu, Ai Qun
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2018
• Subjects: DRNTU::Engineering::Electrical and electronic engineering; Optical Communications; Electrical Properties
• Online Access: https://hdl.handle.net/10356/89734; http://hdl.handle.net/10220/46360
• Institution: Nanyang Technological University

In this letter, we report the experimental demonstration of a dissipative self-sustained optomechanical resonator on a silicon chip by introducing dissipative optomechanical coupling between a vertically offset bus waveguide and a racetrack optical cavity. Different from conventional blue-detuning limited self-oscillation, the dissipative optomechanical resonator exhibits self-oscillation in the resonance and red detuning regime. The anti-damping effects of dissipative optomechanical coupling are validated by both numerical simulation and experimental results. The demonstration of the dissipative self-sustained optomechanical resonator with an extended working range has potential applications in optomechanical oscillation for on-chip signal modulation and processing.