Generation of ultraviolet picosecond pulses by frequency-doubling of laser diode in proton-exchanged MgO:LiNbO/sub 3/ waveguide
- 1 September 1990
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 2 (9), 629-631
- https://doi.org/10.1109/68.59332
Abstract
Ultraviolet picosecond pulses were generated by frequency doubling a AlGaAs-GaAs laser diode in a proton-exchanged waveguide fabricated in MgO:LiNbO/sub 3/. The Cerenkov radiation scheme was used to phase-match the infrared pulse from a gain-switched laser diode, which operates in multilongitudinal modes. Pulses with a peak power of 1.35 mW and 19.3-ps width were obtained at 390 nm. This is a unique method for generating short ultraviolet pulses with laser diodes in a simple configuration.Keywords
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