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Proceedings Paper

Incoherently pumped lasing and self-pumped three-wave mixing in laser-active whispering-gallery resonators
Author(s): Simon J. Herr; Karsten Buse; Ingo Breunig
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Paper Abstract

We report lasing at 1064 nm in an LED-pumped high-Q whispering-gallery resonator (WGR) made from Nd:YVO4. A single LED is sufficient to achieve quasi-cw operation. Furthermore, self-pumped three-wave-mixing is demonstrated in high-Q WGRs made from laser-active lithium niobate. When pumping the resonator with a free-running laser diode without any external frequency stabilization, self-frequency doubling of the 1.08-μm laser line into the green spectral region is observed. With the application of quasi-phase matching techniques, the nonlinear optical processes can be selected at will, which enables compact and versatile self-pumped frequency synthesizers. As a proof-of-principle experiment, self-pumped optical parametric oscillation is demonstrated in a radially poled WGR made from neodymium-doped lithium niobate.

Paper Details

Date Published: 16 February 2018
PDF: 7 pages
Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 105180U (16 February 2018); doi: 10.1117/12.2288341
Show Author Affiliations
Simon J. Herr, Univ. of Freiburg (Germany)
Karsten Buse, Univ. of Freiburg (Germany)
Fraunhofer Institute for Physical Measurement Techniques (Germany)
Ingo Breunig, Univ. of Freiburg (Germany)
Fraunhofer Institute for Physical Measurement Techniques (Germany)


Published in SPIE Proceedings Vol. 10518:
Laser Resonators, Microresonators, and Beam Control XX
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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