All-fibre polarisation splitter/combiner

Bricheno, T.; Baker, V.

doi:10.1049/el:19850179

Cited by 60 publications

(9 citation statements)

References 3 publications

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“…Nevertheless, the wavelength of each peak and the FSR remained unchanged regardless of input wave SOP. It is appropriate to attribute this phenomenon to the polarization dependent coupling in the MLR where the interfiber coupling, twisting and alignment of microfiber in the coupling region are accounted for the coupling coefficient difference between two orthogonal polarization states (Bricheno and Baker, 1985;Chen and Burns, 1982;Yang and Chang, 1998 ). Associated with the coupling coefficient, the resonance extinction ratio of a microfiber based resonator can be improved by using an optimized polarized input light.…”

Section: Polarization Dependent Characteristicmentioning

confidence: 99%

Fabrication and Applications of Microfiber

Lim¹,

Harun²,

Arof³

et al. 2012

Selected Topics on Optical Fiber Technology

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Section: Polarization Dependent Characteristicmentioning

confidence: 99%

Fabrication and Applications of Microfiber

Lim¹,

Harun²,

Arof³

et al. 2012

Selected Topics on Optical Fiber Technology

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“…Since the technology for fabrication of PBS in these materials is relatively complex, interest has emerged in the fabrication of these devices in glass waveguides and optical fibers [4]. However, one major disadvantage of conventional fiber PBS is that a long coupler length is required because of the small birefringence in conventional glass fibers [5,6]. In recent years, PCFs have attracted great attentions for their unique flexibly controllable properties, such as endlessly single mode, high birefringence, controllable chromatic dispersion, and high nonlinear property [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Design of Short-Length Polarization Beam Splitter Based on Highly Birefringent Dual-Core Photonic Crystal Fiber

Wang¹,

Yu²,

Wang³

et al. 2016

PIER C

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We propose an all circular-air-hole short-length polarization beam splitter (PBS) with high extinction ratio based on dual-core highly birefringent photonic crystal fiber (PCF). The impacts of geometrical parameters on the coupling polarization dependence, coupling length ratio (CLR), and propagation property are numerically investigated by the full-vector finite element method (FEM) and the semi-vector beam propagation method (BPM). From simulation results, it is seen that CLRs at the excitation wavelength of 1.55 µm can be optimized to be closed to the desired values of 3/2 and 4/3 to satisfy the sufficient condition of splitting polarized modes by appropriately tailoring the air-hole sizes. For the two optimal structures, the separation of x-and y-polarized modes can be achieved in short lengths of 1.41 mm and 2.89 mm at the operating wavelength of 1.55 µm, respectively. Furthermore, the extinction ratios at λ = 1.55 µm are estimated to be 97.7 dB and 88.1 dB, and the wavelength bandwidths of extinction ratio better than 15 dB are about 107 and 82 nm, respectively.

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“…Optical fiber couplers are key devices in optical communications and optical sensor systems because they can perform many important functions, such as optical power dividing, wavelength selective coupling, and polarization splitting [1][2][3][4]. A fused-type fiber coupler is typically made by pulling two twisted single-mode fibers while heating them.…”

Section: Introductionmentioning

confidence: 99%

Empirical Analysis of Widely Tunable Fused Fiber Coupler Assisted by External Medium of High Thermo-Optic Coefficient

Kim

Cho

Lee

2011

Fiber and Integrated Optics

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This article reports the fused fiber coupler whose transmission spectrum is widely tuned or switched with temperature. With a proper choice of the external medium applied on the fused region of the coupler, the tuning range could be expanded up to the free spectral range of the coupler itself. A polymer with a matched refractive index and high thermo-optic coefficient was used as the external medium, and a microcoil heater was installed to tune or switch the coupler. As the elongation length of the coupler increased in the fabrication process, the tuning range increased also. With the polymer having a thermo-optic coefficient of 1:8 10 4 = ı C and a 1.440 room temperature refractive index, wavelength tuning as wide as 210 nm was experimentally obtained. The fabrication process of the tunable fused coupler and the temperaturedependent spectral properties of the implemented couplers in terms of the elongation length and the polymer index are presented in detail. The feasibility of the proposed device as a tunable filter, optical switch, and variable optical attenuator are also presented.

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All-fibre polarisation splitter/combiner

Cited by 60 publications

References 3 publications

Fabrication and Applications of Microfiber

Fabrication and Applications of Microfiber

Design of Short-Length Polarization Beam Splitter Based on Highly Birefringent Dual-Core Photonic Crystal Fiber

Empirical Analysis of Widely Tunable Fused Fiber Coupler Assisted by External Medium of High Thermo-Optic Coefficient

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