Electrostatically tunable optomechanical "zipper" cavity laser

A tunable nanoscale "zipper" laser cavity, formed from two doubly clamped photonic crystal nanobeams, is demonstrated. Pulsed, room temperature, optically pumped lasing action at λ = 1.3   μ m is observed for cavities formed in a thin membrane containing InAsP/GaInAsP quantum-wells. Metal...

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Bibliographic Details
Published in:Applied physics letters 2010-11, Vol.97 (19), p.191112-191112-3
Main Authors: Perahia, R., Cohen, J. D., Meenehan, S., Alegre, T. P. Mayer, Painter, O.
Format: Article
Language:English
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Summary:A tunable nanoscale "zipper" laser cavity, formed from two doubly clamped photonic crystal nanobeams, is demonstrated. Pulsed, room temperature, optically pumped lasing action at λ = 1.3   μ m is observed for cavities formed in a thin membrane containing InAsP/GaInAsP quantum-wells. Metal electrodes are deposited on the ends of the nanobeams to allow for microelectromechanical actuation. Electrostatic tuning over a range of Δ λ = 20   nm for an applied voltage amplitude of 9 V and modulation at a frequency as high as ν m = 6.7   MHz of the laser wavelength is demonstrated.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3515296