Coherent mid-infrared supercontinuum generation with As2Se3 photonic crystal fiber and femtosecond Airy pulses

Wu Yuan

Research output: Contribution to journalArticlepeer-review

Abstract

We discuss a novel method for generating hyper-broadband mid-infrared (MIR) supercontinua (SC) with coherent bandwidth from ∼2 μm to ∼10 μm by using As2Se3 photonic crystal fiber (PCF) and a 4.1 μm pump with femtosecond (fs) Airy pulse profile. Our simulations confirm that, when pumping in the normal dispersion region, the deceleration and self-healing properties of the Airy pulse can suppress the incoherent noise in modulational instability (MI) induced SC generation and maintain the pulse coherence over a long propagation distance. We also find that fs Airy pulse can generate an MIR SC with a broader coherent bandwidth than these can be achieved with fs parabolic secant pulse.

Original languageEnglish (US)
Article number125101
JournalLaser Physics Letters
Volume12
Issue number12
DOIs
StatePublished - Dec 2015

Keywords

  • Airy pulse
  • mid-infrared
  • photonic crystal fiber
  • supercontinuum generation

ASJC Scopus subject areas

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

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