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Chaotic chirped-pulse oscillators

Sorokin, Evgeni; Tolstik, Nikolai; Kalashnikov, Vladimir; Sorokina, Irina T
Journal article, Peer reviewed
Published version
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URI
http://hdl.handle.net/11250/2463511
Date
2013
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  • Institutt for fysikk [1751]
  • Publikasjoner fra CRIStin - NTNU [19694]
Original version
Optics Express. 2013, 21 (24), 29567-29577.   10.1364/OE.21.029567
Abstract
We present results of experimental investigation of the chaotic and quasi-periodic regime in the chirped-pulsed (dissipative soliton) Cr:ZnS and Cr:ZnSe mid-IR oscillators with significant third-order dispersion. The instability develops when the spectrum edge approaches resonance with a linear wave either due to power increase or by dispersion adjustment. In practice, this occurs when the spectrum edge reaches zero dispersion wavelength. The analysis suggests a three-oscillator chaos model, which is confirmed by numerical simulations. The regime is long-term stable and can be easily overlooked in similar systems. We show that chaotic regime is accompanied by a characteristic spectral shape and can be reliably recognized by using wavelength-skewed filters and by second-harmonic or two-photon absorption detectors.
Publisher
Optical Society of America
Journal
Optics Express

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