Mode-locked InGaAs-AlGaAs disk laser generating sub-200-fs pulses, pulse picking and amplification by a tapered diode amplifier | Zendy

Peter Klopp | Zendy; Uwe Griebner | Zendy; M. Zorn | Zendy; A. Klehr | Zendy; Armin Liero | Zendy; M. Weyers | Zendy; G. Erbert | Zendy

Open Access

Mode-locked InGaAs-AlGaAs disk laser generating sub-200-fs pulses, pulse picking and amplification by a tapered diode amplifier

Author(s) -

Peter Klopp,

Uwe Griebner,

M. Zorn,

A. Klehr,

Armin Liero,

M. Weyers,

G. Erbert

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.010820

Subject(s) - optics , laser , chirp , materials science , mode locking , amplifier , optoelectronics , semiconductor laser theory , diode , pulse duration , pulse (music) , bandwidth limited pulse , ultrashort pulse , physics , cmos , detector

Almost chirp-free pulses with a duration of 190 fs were achieved from a mode-locked semiconductor disk laser (SDL) emitting at approximately 1045 nm. Pulse shaping was different from the soliton-like mode-locking process known from lasers using dielectric gain media; passive amplitude modulation provided by a fast saturable absorber was essential. The spectrum of the absorber had to be matched to the gain spectrum within a few nm. A tapered diode amplifier was demonstrated to be a device for both picking and amplifying SDL pulses. The pulse repetition rate of the SDL output was reduced from 3 GHz to 47 MHz.

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