Compact coupling scheme to achieve the synchronously dual self-mode-locked operation with a 35.2 THz optical beating

Hao Ping Cheng, Tzu Lin Huang, Cheng Lin Sung, Chun Yu Cho, Hsing Chih Liang, Yung-Fu Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A synchronously dual self-mode-locked (SML) operation at 946 and 1064 nm is experimentally accomplished by using a compact coupling scheme to obtain the optical beating frequency up to 35.2 THz. The SML emissions at 946 and 1064 nm are established by a monolithic Nd:YAG cavity and a Nd:YVO4 crystal in a flat-flat cavity, respectively. Two gain media are butt adjoined to be longitudinally pumped by a single laser diode. The monolithic Nd:YAG crystal is used not only as the 946 nm laser cavity, but also as the output coupler of the Nd:YVO4 1064 nm laser. More importantly, the output surface of the monolithic Nd:YAG laser is coated to generate the optical feedback for the synchronization of the dual SML operation. At a pump power of 10.7 W, the output powers at 1064 and 946 nm can simultaneously reach 1.5 W by controlling the focal position of the pump waist.

Original languageEnglish
Pages (from-to)2224-2227
Number of pages4
JournalOptics Letters
Volume42
Issue number11
DOIs
StatePublished - 1 Jun 2017

Keywords

  • MONOLITHIC YBKGW LASER
  • 1.06 MU-M
  • ND-YAG
  • WAVELENGTH EMISSION
  • REPETITION-RATE
  • GENERATION
  • EFFICIENT
  • FREQUENCY
  • IDENTIFICATION
  • NM

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