Electrostatically tunable optomechanical "zipper" cavity laser

Details Electrostatically tunable optomechanical "zipper" cavity laser Electrostatically tunable optomechanical "zipper" cavity laser

2010-06-28

arxiv.org/abs/1006.5275v1

Physics

Optics

4 pages, 4 figures

Scientific paper

A tunable nanoscale "zipper" laser cavity, formed from two doubly clamped photonic crystal nanobeams, is demonstrated. Pulsed, room temperature, optically pumped lasing action at a wavelength of 1.3 micron 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 micro-electro-mechanical actuation. Electrostatic tuning and modulation of the laser wavelength is demonstrated at a rate of 0.25nm/V^2 and a frequency as high as 6.7MHz, respectively.

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