Mwarania, E.K., Murphy, D.M., Hempstead, M., Reekie, L. and Wilkinson, J.S.
Integrated Q-switched multiple-cavity glass waveguide laser
IEEE Photonics Technology Letters, 4, (3), . (doi:10.1109/68.122377).
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A novel Q-switching scheme, using rapid variation of the path difference between the cavities of a multiple-cavity resonator, is demonstrated. A thermo-optic phase modulator was used to switch the cavity loss of a Y-junction glass waveguide laser between high and low states. Q-switched pulses with durations of 5µs and peak powers of 70mW were obtained.
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