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Parametric amplification and compression to ultrashort pulse duration of resonant linear waves

 
: Aguergaray, C.; Andersen, T.V.; Schimpf, D.N.; Schmidt, O.; Rothardt, J.; Schreiber, T.; Limpert, J.; Cormier, E.; Tünnermann, A.

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Postprint (1.05 MByte; PDF; )

Optics Express 15 (2007), No.9, pp.5699-5710
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer IOF ()
laser; fiber; ultrafast laser; nonlinear optic; parametric process

Abstract
We report on an optical parametric amplification system which is pumped and seeded by fiber generated laser radiation. Due to its low broadening threshold, high spatial beam quality and high stability, the fiber based broad bandwidth signal generation is a promising alternative to white light generation in bulky glass or sapphire plates. We demonstrate a novel and successful signal engineering implemented in a setup for parametric amplification and subsequent recompression of resonant linear waves resulting from soliton fission in a highly nonlinear photonic crystal fiber. The applied pump source is a high repetition rate ytterbium-doped fiber chirped pulse amplification system. The presented approach results in the generation of ~50 fs pulses at MHz repetition rate. The potential of generating even shorter pulse duration and higher pulse energies will be discussed.

: http://publica.fraunhofer.de/documents/N-60782.html