Efficient intracavity generation of visible pulses in a femtosecond 
near-infrared optical parametric oscillator

Zhang, X. P.; Hebling, J.; Kuhl, J.; Rühle, W. W.; Giessen, H.

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Efficient intracavity generation of visible pulses in a femtosecond near-infrared optical parametric oscillator

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Hebling, J.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Kuhl, J.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Rühle, W. W.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Giessen, H.
Former Research Groups, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Zhang, X. P., Hebling, J., Kuhl, J., Rühle, W. W., & Giessen, H. (2001). Efficient intracavity generation of visible pulses in a femtosecond near-infrared optical parametric oscillator. Optics Letters, 26(24), 2005-2007.

Cite as: https://hdl.handle.net/21.11116/0000-000E-E531-8

Abstract

We have achieved efficient simultaneous intracavity doubling of
the signal frequency and sum-frequency generation between the
signal and the pump in a periodically poled LiNbO3 femtosecond
optical parametric oscillator pumped by a Ti:sapphire laser.
The responsible mechanisms are second-, third-, and fourth-
order quasi-phase matching (QPM). An similar to 56% poling duty
cycle permits efficient even-order QPM. Femtosecond pulses
tunable in the visible were generated with a total efficiency
of more than 8% for only 480-mW pump power at 80 MHz.
Optimization of the poling duty cycle can improve the
efficiency further. (C) 2001 Optical Society of America.