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Anales (Asociación Física Argentina)
versão impressa ISSN 0327-358Xversão On-line ISSN 1850-1168
Resumo
ANGUIANO, S.; BRUCHHAUSEN, A. E. e FAINSTEIN, A.. Optomechanical transduction and optical bistabilities in Bragg-reflector-based microresonators. An. AFA [online]. 2022, vol.33, n.3, pp.59-69. ISSN 0327-358X. http://dx.doi.org/10.31527/analesafa.2022.33.3.59.
In cavity optomechanics experiments with ultrashort laser pulses, the temporal dynamics of the optical modes of the system play a fundamental role in the generation and detection of coherent phonons. In this work, we analyze the feasibility of using a second continuous emission laser to optimize the detection efficiency, by setting the fundamental ótical mode to a specific spectral position. Under certain conditions, and through this continuum excitation, it is possible to modify the recovery dynamics of the optical modes after an ultrafast pulsed excitation, to the point of stopping it on a quasiequilibrium.
This phenomenon is directly related to the optical bistability of the resonator.
Palavras-chave : Bistability; Optical resonator; Microcavity; Laser.