Birefringent all-solid hybrid microstructured fiber

Goto, Ryuichiro; Jackson, Stuart D.; Fleming, Simon; Kuhlmey, Boris T.; Eggleton, Benjamin J.; Himeno, K.

doi:10.1364/oe.16.018752

Cited by 32 publications

(15 citation statements)

References 27 publications

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“…The B and F-doped regions both have a top-hat refractive index profile, at −0.4% and −0.7% relative to the pure silica background, respectively. This means that in the direction of the stress applying parts, the confinement is dominated by TIR, thus the fiber is not a pure bandgap guiding fiber, but rather a hybrid TIR/PBG guiding fiber [5,6]. Fig.…”

Section: Fiber Fabricationmentioning

confidence: 99%

Stress induced birefringence in hybrid TIR/PBG guiding solid photonic crystal fibers

Lyngsø¹,

Mangan²,

Olausson³

et al. 2010

Opt. Express

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Abstract:We report on two types of polarization maintaining solid photonic crystal fibers that guide light by a combination of a photonic bandgap and total internal reflection. Group and phase birefringence are studied experimentally and numerically for stress-applying parts made from B-doped and F-doped silica. The stress field originating from Ge-doped cladding rods is shown to interfere with the stress field from the B-doped and F-doped rods. Since the differential expansion coefficients of B-doped and F-doped silica have opposite signs this interference is either destructive or constructive. Consequently, we found that the fiber with F-doped stress applying parts has the highest modal phase birefringence, and polarization cross talk is characterized by an h-parameter below 3⋅10−5 m −1 .

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Section: Fiber Fabricationmentioning

confidence: 99%

Stress induced birefringence in hybrid TIR/PBG guiding solid photonic crystal fibers

Lyngsø¹,

Mangan²,

Olausson³

et al. 2010

Opt. Express

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“…Various two-fold geometries were tested for the development of highly birefringent photonic bandgap fibers (Goto et al 2008) or single polarization fibers (Cerqueira et al 2011;Goto et al 2009). Another all-solid glass approach was proposed by Wang at al.…”

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confidence: 99%

Numerical analysis of a highly birefringent microstructured optical fiber with an anisotropic core

et al. 2014

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In this paper, modeling and optimization of a highly birefringent microstructured optical fiber with an anisotropic structure of a lamellar core is analyzed. The core consists of a linear stack of a high refractive index lead oxide glass F2 and a low refractive index borosilicate glass NC21A, which contributes to the anisotropy of two orthogonal polarizations of the fundamental mode propagating in the fiber. It is shown, that an appropriate choice of thickness and width of the layers constituting the core structure, enables reducing the dispersion of birefringence of the considered modes, in a wide spectral range. It is further investigated how a sub-wavelength defect, in form of a low refractive index glass introduced in the middle of the core, influences fiber's birefringence. We show for the first time, that nanodefect introduced into a lamellar core structure further reduces dispersion of birefringence in the fiber over one octave range. An average birefringence of 1.95 × 10 −3 with variation below 5 % is achieved in 800-2,000 nm bandwidth.

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“…[10][11][12][13] The main reason is that, conversely to HC-PBGFs, 15 the refractive index contrast ⌬n between pure silica and high index inclusions used in the cladding is generally small ͑few percent͒ and the pitch ⌳ of the periodic structure is usually large ͑ϳ10 m͒, both effects leading to very weak form induced birefringence. This explains why Wang et al 14 did not observe any significant birefringence while using inclusions with a form ratio as high as 7.…”

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confidence: 99%

Birefringent solid-core photonic bandgap fibers assisted by interstitial air holes

Pureur

Bouwmans

Delplace

et al. 2009

Applied Physics Letters

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International audienceWe report on the fabrication and the characterization of a design of highly birefringent solid-core photonic bandgap fibers. A form birefringence is obtained by keeping open all interstitial air holes but two diametrically opposite and close to the fiber core. Group birefringence as high as 0.57×10-3 and 0.47×10-3 at 1.1 and 1.55 μm, respectively, are demonstrated in the first bandgap

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Birefringent all-solid hybrid microstructured fiber

Cited by 32 publications

References 27 publications

Stress induced birefringence in hybrid TIR/PBG guiding solid photonic crystal fibers

Stress induced birefringence in hybrid TIR/PBG guiding solid photonic crystal fibers

Numerical analysis of a highly birefringent microstructured optical fiber with an anisotropic core

Birefringent solid-core photonic bandgap fibers assisted by interstitial air holes

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