Side-pumped multiwatt Nd:YVO4 laser mode-locked by a semiconductor saturable Bragg reflector

Thomas Graf; Allister I. Ferguson; Erwin A. Bente; David Burns; Martin D. Dawson

doi:10.1117/12.349257

24 May 1999 Side-pumped multiwatt Nd:YVO₄ laser mode-locked by a semiconductor saturable Bragg reflector

Thomas Graf, Allister I. Ferguson, Erwin A. Bente, David Burns, Martin D. Dawson

Proceedings Volume 3611, Laser Resonators II; (1999) https://doi.org/10.1117/12.349257
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

We report on a side-pumped and passively mode-locked all- solid-state laser. The laser consists of an astigmatically compensated resonator with a saturable Bragg reflector to achieve mode locking and a Brewster-cut Nd:YVO₄ rod, which is side-pumped by a diode-laser bar. At 17 W of pump power a fundamental-mode average output power of 4.4 W was attained. Pulses as short as 33 ps have been measured at pulse repetition rates of 235 MHz and 440 MHz. When synchronously pumping an optical parametric oscillator (OPO), these pulse durations lead to wide cavity length detuning tolerances and a comparatively narrow spectral bandwidth of < 15 GHz which is very suitable for applications such as molecular spectroscopy and pollutant detection. A pump depletion of 78% and 1 W of signal output power between 1461 nm and 1601 nm were obtained from an OPO based on periodically poled lithium niobate.

Citation Download Citation

Thomas Graf, Allister I. Ferguson, Erwin A. Bente, David Burns, and Martin D. Dawson "Side-pumped multiwatt Nd:YVO₄ laser mode-locked by a semiconductor saturable Bragg reflector", Proc. SPIE 3611, Laser Resonators II, (24 May 1999); https://doi.org/10.1117/12.349257

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