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Opt Lett. 2005 May 15;30(10):1234-6.

Broadly tunable femtosecond parametric oscillator using a photonic crystal fiber.

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The Institute of Optics, University of Rochester, Rochester, New York 14627-0186, USA.


Pulses as short as 460 fs and a tuning range as wide as 200 nm around 1 microm have been achieved from a photonic-crystal-fiber-based parametric oscillator. The ring cavity with only 65 cm of photonic crystal fiber is synchronously pumped with a tunable passively mode-locked Yb-doped fiber laser. Widely extended tunability is achieved by using the modulation instability gain in normal dispersion as the result of high-order dispersion in the photonic crystal fiber.

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