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Opt Lett. 2008 Jan 1;33(1):28-30.

Visible continuum generation using a femtosecond erbium-doped fiber laser and a silica nonlinear fiber.

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OFS Laboratories, 19 Schoolhouse Road, Suite 105, Somerset, New Jersey 08873, USA.


Supercontinuum extending to visible wavelengths is generated in a hybrid silica nonlinear fiber pumped at 1560 nm by a femtosecond, erbium-doped fiber laser. The hybrid nonlinear fiber consists of a short length of highly nonlinear, germano-silicate fiber (HNLF) spliced to a length of photonic crystal fiber (PCF). A 2 cm length of HNLF provides an initial stage of continuum generation due to higher-order soliton compression and dispersive wave generation before launching into the PCF. The visible radiation is generated in the fundamental mode of the PCF.

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