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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Generation of high quality, 1.3 cycle pulses by active phase control of an octave spanning supercontinuum
Optics Express, Volume 19, No. 21, Year 2011
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Description
Nonlinear pulse compression based on the generation of ultrabroadband supercontinuum (SC) in an all-normal dispersion photonic crystal fiber (ANDi PCF) is demonstrated. The highly coherent and smooth octave-spanning SC spectra are generated using 6 fs, 3 nJ pulses from a Ti:Sapphire oscillator for pumping a 13 mm piece of ANDi PCF. Applying active phase control has enabled the generation of 4.5 fs pulses. Additional spectral amplitude shaping has increased the bandwidth of the SC spectra further leading to nearly transform-limited pulses with a duration of 3.64 fs, which corresponds to only 1.3 optical cycles at a central wavelength of 810 nm. This is the shortest pulse duration achieved via compression of SC spectra generated in PCF to date. Due to the high stability and the smooth spectral intensity and phase distribution of the generated SC, an excellent temporal pulse quality exhibiting a pulse contrast of 14 dB with respect to the pre-and post-pulses is achieved. © 2011 Optical Society of America.
Authors & Co-Authors
Demmler, Stefan
Germany, Jena
Friedrich-schiller-universität Jena
Rothhardt, Jan
Germany, Jena
Friedrich-schiller-universität Jena
Germany, Jena
Helmholtz Institute Jena
Heidt, Alexander M.
South Africa, Stellenbosch
Stellenbosch University
Germany, Jena
Institut Für Photonische Technologien
Hartung, Alexander
Germany, Jena
Institut Für Photonische Technologien
Rohwer, Erich G.
South Africa, Stellenbosch
Stellenbosch University
Bartelt, Hartmut
Germany, Jena
Institut Für Photonische Technologien
Limpert, Jens
Germany, Jena
Friedrich-schiller-universität Jena
Germany, Jena
Helmholtz Institute Jena
Tünnermann, Andreas
Germany, Jena
Friedrich-schiller-universität Jena
Germany, Jena
Helmholtz Institute Jena
Germany, Jena
Fraunhofer-institut Für Angewandte Optik Und Feinmechanik in Jena
Statistics
Citations: 62
Authors: 8
Affiliations: 5
Identifiers
Doi:
10.1364/OE.19.020151
e-ISSN:
10944087