Self-sustained coherent phonon generation in optomechanical cavities
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European Commission's projectTAILPHOX - TAILoring photon-phonon interaction in silicon PHOXonic crystals (EC-FP7-233883)
Optical forces can set tiny objects in states of mechanical self-sustained oscillation, spontaneously generating periodic signals by extracting power from steady sources. Miniaturized self-sustained coherent phonon sources are interesting for applications such as mass-force sensing, intra-chip metrology and intra-chip time-keeping among others. In this paper, we review several mechanisms and techniques that can drive a mechanical mode into the lasing regime by exploiting the radiation pressure force in optomechanical cavities, namely stimulated emission, dynamical back-action, forward stimulated Brillouin scattering and self-pulsing.
CitationNavarro-Urrios, D. [et al.]. Self-sustained coherent phonon generation in optomechanical cavities. "Journal of Optics", 18 Agost 2016, vol. 18, núm. 9.