High-power diode-end-pumped passively mode-locked Nd:YVO4 laser with a relaxed saturable Bragg reflector

S. W. Tsai*, Yu-Pin Lan, S. C. Wang, Kai-Feng Huang, Yung-Fu Chen

*Corresponding author for this work

Research output: Contribution to journalConference article

10 Scopus citations

Abstract

We present an efficient diode-end-pumped passively mode-locked Nd:YVO4 laser with a relaxed single-quantum-well saturable Bragg reflector (SBR), which average output power is more than 23 W and pulse duration 21.5 ps cw modelocking is generated corresponding to 50 W pumping power. The overall optical-optical efficiency reaches 47% and to our knowledge, this is the highest conversion efficiency ever reported for passively mode-locked laser with average output power over 20 W. In this experiment, the broad absorption spectrum of the relaxed SBR leads a mode-locking operation to less sensitive to temperature variation. The output power corresponding to the transition from cw operation to QML and QML to CWML were also investigated. We believe the high reliability and stability of this mode-locked laser with a relaxed SBR will be interesting in laser application.

Original languageEnglish
Pages (from-to)17-23
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4630
DOIs
StatePublished - 1 Jan 2002
EventSolid State Lasers XI - San Jose, CA, United States
Duration: 21 Jan 200222 Jan 2002

Keywords

  • Diode-pumped solid state laser
  • Mode-locked laser
  • Nd:YVO
  • Saturable Bragg reflector

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