Low-loss single polarisation fibres with asymmetrical strain birefringence

Hosaka, T.; Okamoto, K.; Miya, T.; Sasaki, Yutaka; Edahiro, T.

doi:10.1049/el:19810371

Cited by 183 publications

(38 citation statements)

References 2 publications

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“…A well-known technique of fabricating such a fiber is to introduce stress-applying sections on both sides of the fiber core. [1][2][3][4][5] The stress-applying sections have a higher thermal expansion coefficient than the fiber cladding, so that when the fiber is drawn from the preform and cooled, a lateral stress is built into the fiber. As a result of the photoelastic effect, the fiber becomes anisotropic or birefringent.…”

Section: Introductionmentioning

confidence: 99%

Temperature sensitivity of coated stress-induced birefringent optical fibers

Chiang

1997

Opt. Eng

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An approximate analytical theory is developed to describe the effects of temperature on the birefringence in a coated stress-induced birefringent optical fiber. Because of the mismatch in the thermal expansion coefficients of the cladding and the stress-applying sections in the fiber, the birefringence in the fiber responds directly to a change of temperature. Additional changes in the birefringence can be produced indirectly by the temperature-induced radial stress and axial strain in the glass fiber through the fiber coating. Depending on the coating material and thickness as well as the thermoelastic properties of the fiber glasses, the indirect effect can reinforce or cancel the direct effect. It is possible to design a fiber with a birefringence that is insensitive to temperature variation over a range of temperature. Expressions suitable for fiber design are presented. Both plastic and metal coating materials are considered. Design examples for boron-doped fibers are given. © 1997Society of Photo-Optical Instrumentation Engineers. [S0091-3286(97)

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Section: Introductionmentioning

confidence: 99%

Temperature sensitivity of coated stress-induced birefringent optical fibers

Chiang

1997

Opt. Eng

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“…Polarization maintaining (PM) PCF has different air hole diameters along two orthogonal axes near the core region, which induce a high effective index difference between the two orthogonal polarization modes. It has been shown that its birefringence is of the order of 10 -3 , three times larger than that of conventional PANDA [7] or bow-tie fibers. [8] In this paper, we report the fabrication process of PM-PCF and the optical properties of the fabricated PM-PCF; we make two kinds of silica capillaries and core rod by drawing a silica tube and silica rod, respectively.…”

Section: Introductionmentioning

confidence: 94%

Study on the Fabrication Process of Polarization Maintaining Photonic Crystal Fibers and Their Optical Properties

Cho¹,

Kim²,

Lee³

et al. 2008

Journal of the Optical Society of Korea

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“…Hi-Bi fibers can be produced by introducing stress applying parts around the fiber core, examples of this type of Hi-Bi fibers are the commercial PANDA [4] and Bow-Tie fibers [5]. Alternatively, Hi-Bi operation can be achieved by asymmetric waveguide geometry with elliptical core fibers as a typical representative of this type [6,7].…”

Section: Introductionmentioning

confidence: 99%

Highly birefringent optical microfibers

Xuan¹,

Ju²,

Jin³

2010

Opt. Express

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Abstract:Highly birefringent (Hi-Bi) air-clad silica microfibers (MFs) with wavelength and sub-wavelength scale transverse dimensions are studied theoretically and experimentally. Hi-Bi MFs are taper-drawn from the standard SMF-28 single mode fibers that are "pre-processed" by "cutting away" parts of the silica cladding on opposite sides of the fiber with a femtosecond infrared laser. Such Hi-Bi MFs have approximately elliptical cross-sections and are approximated by a three-layer model comprising a small central Ge-doped region surrounded by an elliptical silica region and an air-cladding. Theoretical modeling shows that phase and group birefringence of the order 10 −2 can be achieved with such air-clad Hi-Bi MFs. Experiments with an air-clad elliptical fiber with a major diameter of 0.9µm and a minor/major diameter ratio of 0.9 demonstrated a group birefringence of ~ 0.015, agreeing well with the theoretical predictions. The Hi-Bi MFs are useful for micron/nanoscale polarization maintaining transmission and phase-sensitive interferometric sensors. Express 12(9), 1916-1923 (2004). 24. R. B. Dyott, Elliptical fiber waveguides (Artech House, boston.london, 1995). 25. C. Yeh, "Elliptical dielectric waveguides," J. Appl. Phys. 33(11), 3235-3243 (1962 2359-2371 (1995). 27. S. C. Rashleigh, "Measurement of fiber birefringence by wavelength scanning: effect of dispersion," Opt. Lett. ©2010 Optical Society of America

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Low-loss single polarisation fibres with asymmetrical strain birefringence

Cited by 183 publications

References 2 publications

Temperature sensitivity of coated stress-induced birefringent optical fibers

Temperature sensitivity of coated stress-induced birefringent optical fibers

Study on the Fabrication Process of Polarization Maintaining Photonic Crystal Fibers and Their Optical Properties

Highly birefringent optical microfibers

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