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Proceedings Article

Q-switched/cw pulse trains produced by mode-locked fiber laser

[+] Author Affiliations
Serey Thai, Mark A. Getbehead, Andrew R. Pirich

Air Force Research Lab. (USA)

Proc. SPIE 4042, Enabling Photonic Technologies for Aerospace Applications II, 17 (July 18, 2000); doi:10.1117/12.391911
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From Conference Volume 4042

  • Enabling Photonic Technologies for Aerospace Applications II
  • Edward W. Taylor; Andrew R. Pirich
  • Orlando, FL | April 24, 2000

abstract

A mode-locked erbium-ytterbium fiber laser operating at 1550 nm using multiple quantum well (MQW) saturable absorbers was developed. The laser was constructed in a Fabry-Perot configuration using a fiber Bragg grating as a front reflector and a fiber chirped Bragg grating output as a back reflector of the laser cavity. The laser can either produce Q-switched or CW passively mode-locked pulse trains by simply changing the location of the saturable absorber with respect to a focal plane. The pulse train of laser Q- switching operates at an 85-KHz repetition rate when the position of the absorber is near the focus. Peak power of the Q-switching pulses is about thirty times higher than for the CW mode locking which occurs when the absorber is placed exactly at the focal plane. The CW passively mode-locked pulse trains have a 19-MHz repetition rate with 2.6-mW average output power.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Serey Thai ; Mark A. Getbehead and Andrew R. Pirich
"Q-switched/cw pulse trains produced by mode-locked fiber laser", Proc. SPIE 4042, Enabling Photonic Technologies for Aerospace Applications II, 17 (July 18, 2000); doi:10.1117/12.391911; http://dx.doi.org/10.1117/12.391911


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