Large Mode Area Single Trench Fiber for 2 mu m Operation

Deepak Jain, Jayanta K. Sahu

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Performance of single trench fibers has been investigated using finite-element method at 2 mu m wavelength. Numerical investigations show that an effective single mode operation for large effective area between 3000-4000 mu m(2) and 2000-3000 mu m(2) can be achieved at similar to 40 and similar to 25 cm bend radius, respectively, by exploiting high delocalization of the higher order modes. Achievement of a large effective-area can be very useful to address nonlinear effects. Moreover, single trench fiber offers certain advantages such as low-cost fabrication and easy postprocessing (such as cleaving and splicing) thanks to the all-solid fiber design.
Original languageEnglish
JournalJournal of Lightwave Technology
Volume34
Issue number14
Pages (from-to)3412-3417
ISSN0733-8724
DOIs
Publication statusPublished - 2016

Keywords

  • ENGINEERING,
  • OPTICS
  • TELECOMMUNICATIONS
  • HIGH-POWER
  • OPTICAL-FIBER
  • LASER
  • INDEX
  • PERFORMANCE
  • AMPLIFIER
  • LOSSES
  • High power fiber lasers
  • large mode area fibers
  • modal-instability
  • non-linear effects
  • Atomic and Molecular Physics, and Optics
  • Fiber lasers
  • Finite element method
  • Large effective areas
  • Large mode area fiber
  • Low cost fabrication
  • Modal instabilities
  • Nonlinear effect
  • Numerical investigations
  • Single mode operation
  • Fibers
  • optical fibres
  • finite element analysis
  • wavelength 2 mum
  • large mode area single trench fiber
  • finite-element method
  • effective single mode operation
  • effective area
  • bend radius
  • high delocalization
  • Optical fiber devices
  • Frequency modulation
  • Optical fibers
  • Refractive index
  • Absorption
  • Electric fields
  • Finite element analysis
  • Fibre optics and fibre waveguides
  • Fibre optics

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