Brillouin scattering explained

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May 042017

Check out our recent work on Brillouin scattering in coupled silicon microcavities explained by Fapesp!

Dispositivo possibilita explorar espalhamento de luz por vibrações mecânicas  (Portuguese)

Device designed to exploit scattering of light by mechanical vibrations (English)

Espinel, Y. A. V., Santos, F. G. S., Luiz, G. O., Alegre, T. P. Mayer, Wiederhecker, G. S., Brillouin Optomechanics in Coupled Silicon Microcavities., Scientific Reports, 7 , 43423 (2017).


Our recent work on the Bullseye resonator receives media highlight!

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Mar 102017

Check out the full news highlight at OSA website: Researchers Create Practical and Versatile Microscopic Optomechanical Device.

Jornal da Unicamp ha also highlighted the publication:  Alvo microscópico liga luz e movimento. Congratulations to Felipe Santos!

Felipe G. S. Santos, Yovanny A. V. Espinel, Gustavo O. Luiz, Rodrigo S. Benevides, Gustavo S. Wiederhecker, Thiago P. Mayer Alegre: Hybrid confinement of optical and mechanical modes in a bullseye optomechanical resonator. In: Opt. Express, 25 (2), pp. 508–529, 2017.
May 222014

Synchronization of Micromechanical Oscillators Using Light

Mian Zhang, Gustavo Wiederhecker, Sasikanth Manipatruni, Arthur Barnard, Paul McEuen, and Michal Lipson

Synchronization of Micromechanical Oscillators Using Light

Phys. Rev. Lett. 109, 233906 (2012) - cover article.

Synchronization, the emergence of spontaneous order in coupled systems, is of fundamental importance in both physical and biological systems. We demonstrate the synchronization of two dissimilar silicon nitride micromechanical oscillators, that are spaced apart by a few hundred nanometers and are coupled through optical radiation field. The tunability of the optical coupling between the oscillators enables one to externally control the dynamics and switch between coupled and individual oscillation states. These results pave a path towards reconfigurable massive synchronized oscillator networks.

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