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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 22 — Nov. 15, 1999
  • pp: 1567–1569

Self-starting mode locking of a Nd:glass fiber laser by use of the third-order nonlinearity of low-temperature-grown GaAs

M. Leitner, P. Glas, T. Sandrock, M. Wrage, G. Apostolopoulos, A. Riedel, H. Kostial, J. Herfort, K.-J. Friedland, and L. Däweritz  »View Author Affiliations


Optics Letters, Vol. 24, Issue 22, pp. 1567-1569 (1999)
http://dx.doi.org/10.1364/OL.24.001567


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Abstract

We present a diode-pumped Nd:glass fiber laser, emitting at 1060 nm, that is passively mode locked by fast nonlinear loss in low-temperature-grown GaAs (LT-GaAs). This new mode-locking mechanism is based on intensity-dependent defocusing in LT-GaAs that occurs after nonresonant generation of free carriers by two-photon absorption. Mode locking is self-starting and produces pulses as short as 4.1 ps.

© 1999 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.4050) Lasers and laser optics : Mode-locked lasers
(160.4670) Materials : Optical materials

Citation
M. Leitner, P. Glas, T. Sandrock, M. Wrage, G. Apostolopoulos, A. Riedel, H. Kostial, J. Herfort, K.-J. Friedland, and L. Däweritz, "Self-starting mode locking of a Nd:glass fiber laser by use of the third-order nonlinearity of low-temperature-grown GaAs," Opt. Lett. 24, 1567-1569 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-22-1567

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