High-energy saturable absorber mode-locked fiber laser system
Optics Letters, Vol. 30, Issue 4, pp. 406-408 (2005)
http://dx.doi.org/10.1364/OL.30.000406
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Abstract
We demonstrate a mode-locked erbium-doped fiber laser with a 1-µm InGaAs saturable absorber that produces 84-ps, 1-nJ transform-limited pulses. Measurements of the InGaAs multiple quantum well revealed a slow saturable absorber that is useful for passive mode locking. Optical fiber was added to extend the cavity and vary the repetition rate from 51 kHz to 5.4 MHz. The narrow spectral width of the laser output (<0.04 nm) permits amplification to 0.2 µJ/pulse with minimal pulse broadening. Pulse energies as large as 1.7 µJ can be achieved with pulse widths of <330 ps. Average powers of 0.5 W at megahertz repetition rates are demonstrated.
© 2005 Optical Society of America
OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3560) Lasers and laser optics : Lasers, ring
(140.4050) Lasers and laser optics : Mode-locked lasers
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
Citation
Janet W. Lou and Marc Currie, "High-energy saturable absorber mode-locked fiber laser system," Opt. Lett. 30, 406-408 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-4-406
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