Tunable High-energy femtosecond soliton fiber laser based on hollowcore photonic bandgap fiber

Pascal Dupriez, Frederic Gerome, Jonathan C Knight, John Clowes, William J Wadsworth

Research output: Contribution to journalArticle

Abstract

We present an all-fiber high power tunable femtosecond soliton-based source incorporating a picosecond fiber laser and an 8 m long piece of hollow-core photonic bandgap fiber. Strongly chirped high energy 5.5 ps pulses produced by fiber amplification are compressed in the hollow core enabling formation of stable 520 fs-solitons with 77% conversion efficiency. Wavelength tunability was provided by exploiting Raman self-frequency shift of the solitons yielding 33nm tuning range. The transform limited output pulses were frequency doubled using a conventional nonlinear crystal with high conversion efficiency of 60%. Demonstration of a femtosecond green laser tunable from 534 nm to 548 nm with 180nJ pulse energy is also reported.
Original languageEnglish
Article number719511
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume7195
DOIs
Publication statusPublished - 2009

Keywords

  • Fiber optic components
  • Optical waveguides
  • Energy gap
  • Fibers
  • Optical fibers
  • Amplification
  • Photonic bandgap fibers
  • Optical materials
  • Spontaneous emission
  • Fiber amplifiers
  • Pulsed laser applications
  • Conversion efficiency
  • Lasers
  • Optical frequency conversion
  • Solitons

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