16 February 2018 Incoherently pumped lasing and self-pumped three-wave mixing in laser-active whispering-gallery resonators
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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.
Conference Presentation
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Simon J. Herr, Simon J. Herr, Karsten Buse, Karsten Buse, Ingo Breunig, Ingo Breunig, } "Incoherently pumped lasing and self-pumped three-wave mixing in laser-active whispering-gallery resonators", Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 105180U (16 February 2018); doi: 10.1117/12.2288341; https://doi.org/10.1117/12.2288341
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