Generation of Ultraviolet Picosecond Pulses by Frequency-Doubling of Laser Diode in Proton-Exchanged MgO: LiNbO3 Waveguide

Genji Tohmon, Jun Ohya, Kazuhisa Yamamoto, Tetsuo Taniuchi

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Ultraviolet picosecond pulses are generated by frequency doubling of an AIGaAs / GaAs laser diode in a proton-exchanged waveguide fabricated in MgO:LiNbO3. The Cherenkov radiation scheme is employed to phase-match the infrared pulse from a gain-switched laser diode, which operates in multilongitudinal modes. Pulses of peak power of 1.35 mW and 19.3 ps width are obtained at 390 nm. This is a unique method for generating short-ultraviolet pulses with laser diodes in a simple configuration.

Original languageEnglish
Pages (from-to)629-631
Number of pages3
JournalIEEE Photonics Technology Letters
Volume2
Issue number9
DOIs
Publication statusPublished - 1990 Sep

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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