Nearly fully compressed 1053 nm pulses directly obtained from 800 nm laser-seeded photonic crystal fiber below zero dispersion point

Zaharit Refaeli*, Yariv Shamir, Atara Ofir, Gilad Marcus

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We report a simple robust and broadly spectral-Adjustable source generating near fully compressed 1053 nm 62 fs pulses directly out of a highly-nonlinear photonic crystal fiber. A dispersion-nonlinearity balance of 800 nm Ti:Sa 20 fs pulses was obtained initially by negative pre-chirping and then launching the pulses into the fibers' normal dispersion regime. Following a self-phase modulation spectral broadening, some energy that leaked below the zero dispersion point formed a soliton whose central wavelength could be tuned by Self-Frequency-Raman-Shift effect. Contrary to a common approach of power, or, fiber-length control over the shift, here we continuously varied the state of polarization, exploiting the Raman and Kerr nonlinearities responsivity for state of polarization. We obtained soliton pulses with central wavelength tuned over 150 nm, spanning from well below 1000 to over 1150 nm, of which we could select stable pulses around the 1 μm vicinity. With linewidth of > 20 nm FWHM Gaussian-like temporal-shape pulses with ∼ 62 fs duration and near flat phase structure we confirmed high quality pulse source. We believe such scheme can be used for high energy or high power glass lasers systems, such as Nd or Yb ion-doped amplifiers and systems.

Original languageAmerican English
Title of host publicationNonlinear Frequency Generation and Conversion
Subtitle of host publicationMaterials and Devices XVII
EditorsKonstantin L. Vodopyanov, Kenneth L. Schepler
PublisherSPIE
ISBN (Electronic)9781510615175
DOIs
StatePublished - 2018
EventNonlinear Frequency Generation and Conversion: Materials and Devices XVII 2018 - San Francisco, United States
Duration: 29 Jan 201831 Jan 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10516
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceNonlinear Frequency Generation and Conversion: Materials and Devices XVII 2018
Country/TerritoryUnited States
CitySan Francisco
Period29/01/1831/01/18

Bibliographical note

Publisher Copyright:
© 2018 SPIE.

Keywords

  • Frequency conversion
  • Photonic Crystal Fiber
  • Self-Frequency-Raman-Shift
  • Self-Phase-Modulation
  • Soliton
  • State of polarization
  • Supercontinuum

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