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Nonresonant self-injection seeding of a gain-switched diode laser

By E U Rafailov, D J L Birkin, W Sibbett and E A Avrutin


We demonstrate step-tunable single-mode operation of a gain-switched diode laser by nonresonant self-injection seeding from an uncoated glass slide used as an external cavity reflector. A spectral bandwidth reduction from 11 mn to 0.05 nm and wavelength tunability has been achieved for picosecond (near-transform-limited) pulses with little effect on other laser characteristics. Good agreement with numerical simulations based on a compound-cavity laser model is also reported

Year: 2001
DOI identifier: 10.1109/2944.954141
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