Versatile control of geometric birefringence in elliptical hollow optical fiber

Y. Jung; S. R. Han; Soan Kim; U. C. Paek; K. Oh

doi:10.1364/OL.31.002681

Versatile control of geometric birefringence in elliptical hollow optical fiber

Y. Jung, S. R. Han, Soan Kim, U. C. Paek, K. Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

A novel optical fiber fabrication technique was developed by converting the symmetry of the silica substrate into the germanosilicate ring core to efficiently introduce geometric birefringence in an elliptical hollow optical fiber. Due to high ellipticity in the hollow ring core, the fiber provides an extremely high group bire-fringence of 2.35 ×10^-3 at 1550 nm. Single-mode single-polarization guidance was also experimentally confirmed, with a bandwidth of ∼35nm. The generic adiabatic mode conversion capability in the taper also provided a stable fusion splice to conventional single-mode fiber with low loss and high tensile strength.

Original language	English
Pages (from-to)	2681-2683
Number of pages	3
Journal	Optics Letters
Volume	31
Issue number	18
DOIs	https://doi.org/10.1364/OL.31.002681
Publication status	Published - 2006 Sept 15

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.31.002681

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AU - Paek, U. C.

AU - Oh, K.

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AB - A novel optical fiber fabrication technique was developed by converting the symmetry of the silica substrate into the germanosilicate ring core to efficiently introduce geometric birefringence in an elliptical hollow optical fiber. Due to high ellipticity in the hollow ring core, the fiber provides an extremely high group bire-fringence of 2.35 ×10-3 at 1550 nm. Single-mode single-polarization guidance was also experimentally confirmed, with a bandwidth of ∼35nm. The generic adiabatic mode conversion capability in the taper also provided a stable fusion splice to conventional single-mode fiber with low loss and high tensile strength.

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Versatile control of geometric birefringence in elliptical hollow optical fiber

Abstract

All Science Journal Classification (ASJC) codes

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