A Novel Low-Loss Diamond-Core Porous Fiber for Polarization Maintaining Terahertz Transmission

Raonaqul Islam, Selim Habib, G. K. M. Hasanuzzaman, Sohel Rana, Md Anwar Sadath, Christos Markos

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We report on the numerical design optimization of a new kind of relatively simple porous-core photonic crystal fiber (PCF) for terahertz (THz) waveguiding. A novel twist is introduced in the regular hexagonal PCF by including a diamond-shaped porous-core inside the hexagonal cladding. The numerical results obtained from an efficient finite-element method, which confirms a high birefringence of the order 10(-2) and low effective material loss of 0.07 cm(-1) at 0.7-THz operating frequency. The proposed PCF is anticipated to be useful in polarization sensitive THz appliances.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Issue number14
Pages (from-to)1537-1540
Publication statusPublished - 2016

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  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Birefringence
  • Photonic crystal fiber
  • Porous-core
  • Terahertz wave guidance
  • Crystal whiskers
  • Finite element method
  • Nonlinear optics
  • Numerical methods
  • Polarization
  • Terahertz waves
  • Effective materials
  • High birefringence
  • Numerical results
  • Operating frequency
  • Polarization maintaining
  • Polarization sensitive
  • Terahertz transmission
  • Photonic crystal fibers

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