Extremely High-Birefringent Asymmetric Slotted-Core Photonic Crystal Fiber in THz Regime

Research output: Contribution to journalJournal article – Annual report year: 2015Researchpeer-review

  • Author: Islam, Raonaqul

    Rajshahi University of Engineering and Technology, Bangladesh

  • Author: Habib, Selim

    Department of Photonics Engineering, Technical University of Denmark, Ørsteds Plads, 2800, Kgs. Lyngby, Denmark

  • Author: Hasanuzzaman, G.K.M.

    Rajshahi University of Engineering and Technology, Bangladesh

  • Author: Ahmad, Redwan

    Rajshahi University of Engineering and Technology, Bangladesh

  • Author: Rana, Sohel

    Rajshahi University of Engineering and Technology, Bangladesh

  • Author: Kaijage, Shubi Felix

    Nelson Mandela African Institution of Science and Technology, Bangladesh

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We present a thorough numerical analysis of a highly birefringent slotted porous-core circular photonic crystal fiber (PCF) for terahertz (THz) wave guidance. The slot shaped air-holes break the symmetry of the porous-core which offers a very high birefringence whereas the compact geometry of the circular cladding confines most of the power in the fiber-core. The fiber structure reported in this letter exhibits simultaneously ultrahigh modal birefringence of 7.5 × 10−2 and a very low effective absorption loss of 0.07 cm−1 for y-polarization mode at an operating frequency of 1 THz. It is highly anticipated that the slotted-core waveguide would be of very much convenience in many polarization maintaining THz appliances.
Original languageEnglish
JournalIEEE Photonics Technology Letters
Volume27
Issue number21
Pages (from-to)2222-2225
ISSN1041-1135
DOIs
Publication statusPublished - 2015
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Birefringence, Polarization, Photonic crystal fiber, Porous-core, Terahertz
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