Complete linear optical isolation at the microscale with ultralow loss (Conference Presentation)

JunHwan Kim; Seunghwi Kim; Gaurav Bahl

doi:10.1117/12.2253552

19 April 2017 Complete linear optical isolation at the microscale with ultralow loss (Conference Presentation)

JunHwan Kim, Seunghwi Kim, Gaurav Bahl

Proceedings Volume 10106, Integrated Optics: Devices, Materials, and Technologies XXI; 101061H (2017) https://doi.org/10.1117/12.2253552
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Microscale resonators that simultaneously exhibit high-Q optical and mechanical resonances are routinely used to study the coupling between light and vibration. We have learned recently that Brillouin scattering (traveling-wave light-sound interactions) within simple dielectric whispering-gallery resonators can enable nonreciprocal optical transmission through a waveguide, which can be reconfigured optically and on demand. In this talk, we describe the basic theory and experimental demonstrations of Brillouin Optomechanics, and describe how it allows the breaking of time-reversal symmetry by means of traveling phonon modes. We experimentally demonstrate ultra-low loss optical isolation using a simple resonator system. Our results demonstrate that chip-scale optical isolation is much more accessible than previously thought. (invited by Prof. Xudong Fan)

Conference Presentation

Citation Download Citation

JunHwan Kim, Seunghwi Kim, and Gaurav Bahl "Complete linear optical isolation at the microscale with ultralow loss (Conference Presentation)", Proc. SPIE 10106, Integrated Optics: Devices, Materials, and Technologies XXI, 101061H (19 April 2017); https://doi.org/10.1117/12.2253552

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