General solutions for stress-induced polarization in optical fibers

Tsai, K.-H.; Kim, K.-S.; Morse, Theodore F.

doi:10.1109/50.64917

Cited by 60 publications

(19 citation statements)

References 13 publications

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“…These problems with random birefringence are in PMFs overcome by deliberately introducing a larger uniform birefringence throughout the fiber. Current PMFs, such as PANDA or Bow-tie fibers [6], achieve this goal by applying stress to the core region of a standard fiber, thereby creating a modal birefringence up to [7], [8]. In this letter, we demonstrate that by utilizing the intrinsically large index contrast in PCFs in combination with asymmetric core designs, it becomes feasible to create modal birefringence of at least one order of magnitude larger than for conventional PMFs.…”

Section: Introductionmentioning

confidence: 94%

Highly birefringent index-guiding photonic crystal fibers

Hansen

Broeng

Libori

et al. 2001

IEEE Photon. Technol. Lett.

461

179

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Abstract-Photonic crystal fibers (PCFs) offer new possibilities of realizing highly birefringent fibers due to a higher intrinsic index contrast compared to conventional fibers. In this letter, we analyze theoretically the levels of birefringence that can be expected using relatively simple PCF designs. While extremely high degrees of birefringence may be obtained for the fibers, we demonstrate that careful design with respect to multimode behavior must be performed. We further discuss the cutoff properties of birefringent PCFs and present experimental results in agreement with theoretical predictions on both single-and multimode behavior and on levels of birefringence.

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Section: Introductionmentioning

confidence: 94%

Highly birefringent index-guiding photonic crystal fibers

Hansen

Broeng

Libori

et al. 2001

IEEE Photon. Technol. Lett.

461

179

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“…The differential stress field of arbitrarily shaped inclusions can be calculated numerically [15]. If the stress applying parts are treated as circular in cross-section, the differential stress field can be found analytically [16,17].…”

Section: Differential Stress Fieldmentioning

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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“…The birefringence would be enhanced by introducing asymmetry in the structure of the PCF. This can be achieved either by using elliptical holes (Hansen et al 2001;Yue et al 2006Yue et al , 2007 or by the material of the fibre itself (Tsai et al 1991). PCFs with high birefringence are commonly used in many applications such as optical communication systems and polarization maintaining fibers in sensing applications (Nakazawa 1985).…”

Section: Resultsmentioning

confidence: 99%

Accurate radial basis function based neural network approach for analysis of photonic crystal fibers

et al. 2008

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In this paper, a new and an accurate artificial neural network approach (ANN) is presented for the analysis and design of photonic crystal fibers (PCFs). The new ANN approach is based on the radial basis functions which offer a very quick convergence and high efficiency during the ANN learning. The accuracy of the suggested approach is demonstrated via the excellent agreement between the results obtained using the presented approach and the results of the full vectorial finite difference method (FVFDM). In addition, a new design of highly birefringence PCF with low losses for the two polarized modes is presented using the proposed approach.

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General solutions for stress-induced polarization in optical fibers

Cited by 60 publications

References 13 publications

Highly birefringent index-guiding photonic crystal fibers

Highly birefringent index-guiding photonic crystal fibers

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

Accurate radial basis function based neural network approach for analysis of photonic crystal fibers

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