Highly Birefringent Elliptical-Hole Photonic Crystal Fibers With Double Defect

Chen, Daru; Shen, Linfang

doi:10.1109/jlt.2007.902114

Cited by 77 publications

(34 citation statements)

References 22 publications

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“…The second approach introduces asymmetry in the cladding through elliptical air holes [5,6]. A combination of both these approaches may also be used [7]. The birefringence in these structures can reach magnitudes of the order of 10 −2 [4,6,7].…”

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Golden spiral photonic crystal fiber: polarization and dispersion properties

et al. 2008

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This is the unspecified version of the paper.This version of the publication may differ from the final published version. A golden spiral photonic crystal fiber (GS-PCF) design is presented in which air holes are arranged in a spiral pattern governed by the golden ratio, where the design has been inspired by the optimal arrangement of seeds found in nature. The birefringence and polarization properties of this fiber are analyzed using a vectorial finite-element method. The fiber that is investigated shows a large modal birefringence peak value of 0.016 at an operating wavelength of 1.55 m and exhibits highly tuneable dispersion with multiple zero dispersion wavelengths and also large normal dispersion. The GS-PCF design has identical circular air holes that potentially simplify fabrication. In light of its properties, the GS-PCF could have application as a highly birefringent fiber and in nonlinear optics, and moreover the 2D chiral nature of the pattern could yield exotic properties. Permanent repository link

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“…A combination of both these approaches may also be used [7]. The birefringence in these structures can reach magnitudes of the order of 10 −2 [4,6,7]. However, the complicated arrangement of air holes [7] of different sizes and/or shapes [3,4] makes fabrication challenging.…”

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confidence: 99%

Golden spiral photonic crystal fiber: polarization and dispersion properties

et al. 2008

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“…However, much of the optical switches are still predominantly performed electrically in recent applications. With the emergence and development of the microstructure fiber (MSF) which has shown a great success to achieve unique properties such as high birefringence [28][29][30][31][32][33][34][35][36], flattened dispersion [37][38][39][40], large negative dispersion [41,42], high nonlinearity [43,44], endless single mode [45] and so on, there emerges a new opportunity for the exploration of optical switching technology that it is possible to make the optical fiber be an optical switch. Recently, a type of nanomechanical optical fiber [46] has been proposed and demonstrated, which has two fiber cores independently suspended within the fiber.…”

Section: Introductionmentioning

confidence: 99%

Single-Nanoweb Suspended Twin-Core Fiber for Optical Switching

Ma¹,

Chen²

2013

PIER M

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Abstract-A novel suspended twin-core fiber (STCF) based on a single-nanoweb structure for optical switching is proposed. The single-nanoweb structure of the STCF is an ultrathin glass membrane (nanoweb) suspended in air and adhered to the inner ring of a glass fiber capillary, which substantially provides a built-in transducing mechanism to boost the pressure-induced index change in the fiber core region of the STCF. Two fiber cores locate symmetrically in the center of the nanoweb, resulting to the mode coupling for the guiding light in the STCF. Optical and mechanical properties of the proposed STCFs under different force are numerically investigated. Optical switching based on the STCF is achieved by controlling the force applied to the STCF. Our simulations show that optical switching from one core to the other in the STCF is realized based on a low switching force of only 8 N. The performances of the optical switching based on STCFs with different structure parameters are presented.

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“…Hydrostatic pressure sensors based on birefringent fibers are not compact since they usually need non-fiber components to detect the pressure-induced phase or use the fiber Sagnac interferometer with a relatively long sensing fiber. PCFs [28][29][30][31][32] are the great success in the history of optical fibers, which have achieved excellent properties in birefringence [33][34][35][36][37][38][39][40], dispersion [41][42][43][44][45][46][47][48][49][50][51], single polarization single mode [52][53][54], nonlinearity [55], and effective mode area [56][57][58], and also excellent performances in the applications of fiber lasers [59][60][61] and nonlinear optics [62][63][64][65] over the past several years. PCFs have also further improved optical fiber sensors and have been used for strain sensing [66], gas sensing [67], biochemical sensing [68], refractive index sensing [69] and temperature sensing [70].…”

Section: Introductionmentioning

confidence: 99%

Hydrostatic Pressure Sensor Based on a Gold-Coated Fiber Modal Interferometer Using Lateral Offset Splicing of Single Mode Fiber

Chen¹,

Cheng²

2012

PIER

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Abstract-A novel hydrostatic pressure sensor based on a gold-coated fiber modal interferometer (FMI) is proposed and demonstrated. Two single mode fibers (SMFs) are spliced with a lateral offset which forms a single-end FMI. The single-end FMI is gold-coated to enhance the reflectivity and to avoid the influence of any unwanted light from getting into the sensor. Relative reflection spectra of the proposed FMIs with different sensing SMF lengths or different lateral offsets are experimentally investigated. A high hydrostatic pressure sensor test system is proposed for the testing of the proposed FMI pressure sensor. The performance of a gold-coated FMI pressure sensor based on a 12-mm sensing SMF has been experimentally investigated. The proposed pressure sensor has a sensing range from 0 to 42 MPa and a sensitivity of 53 pm/MPa.

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Highly Birefringent Elliptical-Hole Photonic Crystal Fibers With Double Defect

Cited by 77 publications

References 22 publications

Golden spiral photonic crystal fiber: polarization and dispersion properties

Golden spiral photonic crystal fiber: polarization and dispersion properties

Single-Nanoweb Suspended Twin-Core Fiber for Optical Switching

Hydrostatic Pressure Sensor Based on a Gold-Coated Fiber Modal Interferometer Using Lateral Offset Splicing of Single Mode Fiber

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