From CW fiber laser to femtosecond pulses

William Renard; Clément Chan; Jérôme Lhermite; Giorgio Santarelli; Romain Royon

doi:10.1117/12.2578125

5 March 2021 From CW fiber laser to femtosecond pulses

William Renard, Clément Chan, Jérôme Lhermite, Giorgio Santarelli, Romain Royon

Proceedings Volume 11665, Fiber Lasers XVIII: Technology and Systems; 116651C (2021) https://doi.org/10.1117/12.2578125
Event: SPIE LASE, 2021, Online Only

Abstract

We investigate femtosecond pulse generation from a CW Laser diode by optical gating with a Mach-Zehnder electro-optic modulator. 45 ps pulses are amplified to ten’s of watt peak power and propagated through a standard polarization maintaining fiber to reach enough spectral broadening by self-phase-modulation. Pulses are then compressed down to about 500 femtoseconds with a grating compressor. We analyse the measured spectral broadening with respect to pulse repetition rate and average power and do some comparison with numerical simulations. This approach paves the way to versatile ultrashort pulse Lasers that could be easily synchronized.

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William Renard, Clément Chan, Jérôme Lhermite, Giorgio Santarelli, and Romain Royon "From CW fiber laser to femtosecond pulses", Proc. SPIE 11665, Fiber Lasers XVIII: Technology and Systems, 116651C (5 March 2021); https://doi.org/10.1117/12.2578125

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KEYWORDS

Fiber lasers

Femtosecond phenomena

Continuous wave operation

Electronics

Modulators

Picosecond phenomena

Polarization maintaining fibers

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