Continuous-wave and Q-switched operation of a compact, diode-pumped Yb3+:KY(WO4)2 planar waveguide laser

Bain, F. M.; Brown, C. T. A.; Guretsky, S. A.; Kalanda, N. A.; Kisel, V. E.; Kolesova, I. M.; Kuleshov, N. V.; Kurilchick, S. V.; Lagatsky, A. A.; Luginets, A. M.; Sibbett, W.

Continuous-wave and Q-switched operation of a compact, diode-pumped Yb3+:KY(WO4)2 planar waveguide laser

Authors: F. M. Bain
C. T. A. Brown
S. A. Guretsky
N. A. Kalanda
V. E. Kisel
I. M. Kolesova
N. V. Kuleshov
S. V. Kurilchick
A. A. Lagatsky
A. M. Luginets
W. Sibbett
Publication date: 28 February 2020
Publisher: Optical Society of America

Abstract

A diode-pumped LPE-grown Yb:KYW planar waveguide laser is demonstrated in a microchip monolithic cavity configuration. Output powers as high as 148mW and thresholds as low as 40mW were demonstrated during continuous-wave operation. Pulses of 170ns duration with maximum pulse energy of 44nJ at a 722kHz repetition rate were generated when Q-switched using a semiconductor saturable absorber mirror

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