Journal ArticleDOI
Dodecagonal photonic quasi-crystal fiber with high birefringence
Weicheng Cai,Exian Liu,Bo Feng,Wei Xiao,Hongfei Liu,Ziming Wang,Shuo Wang,Taiyuan Liang,Jianqiang Liu,Jianjun Liu +9 more
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TLDR
The proposed photonic quasi-crystal fiber with high birefringence maintains a high nonlinear coefficient and low confinement loss, which is two orders of magnitude larger than that of the conventional polarization-maintaining fibers and hardly affected by the incident wavelength.Abstract:
A photonic quasi-crystal fiber (PQF) with high birefringence is proposed. A dodecagonal Stampfli quasi-periodic lattice of air holes constitutes the cladding of the PQF. The PQF maintains the properties of high birefringence and single-mode operation regime in a wide wavelength range from 1.2 to 2.0 μm by optimizing the size of the air holes around the core of the PQF. A birefringence with 3.86×10−2 can be obtained at 1.31 and 1.55 μm optical telecommunication windows. The birefringence is of the order of 10−2, which is two orders of magnitude larger than that of the conventional polarization-maintaining fibers and hardly affected by the incident wavelength. The proposed PQF also maintains a high nonlinear coefficient and low confinement loss. Our structure and simulation results are expected to provide a valuable reference and basic data to relative fabrication and experiments.read more
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Journal ArticleDOI
Broadband ultra-flattened dispersion, ultra-low confinement loss and large effective mode area in an octagonal photonic quasi-crystal fiber.
TL;DR: The robustness of optical properties including dispersion, confinement loss, and effective mode area in this PQF is discussed, assuming a deviation ±3% of all air holes.
Journal ArticleDOI
Refractive index sensing characteristics in a D-shaped photonic quasi-crystal fiber sensor based on surface plasmon resonance.
Chenguang Li,Bei Yan,Jianjun Liu +2 more
TL;DR: A D-shaped photonic quasi-crystal fiber (PQF) sensor based on surface plasmon resonance is proposed for refractive index (RI) sensing that realizes the high-sensitivity sensing in the near-infrared band.
Journal ArticleDOI
Liquid-infiltrated photonic crystal fiber for sensing purpose: Design and analysis
Md. Shadidul Islam,Bikash Kumar Paul,Kawsar Ahmed,Sayed Asaduzzaman,Sayed Asaduzzaman,Md. Ibadul Islam,Sawrab Chowdhury,Shuvo Sen,Ali Newaz Bahar +8 more
TL;DR: In this paper, a photonic crystal fiber based on a modified hexagonal structure has been discussed and demonstrated modal analysis precisely, which shows higher sensitivity as a chemical sensor for lower refractive index chemicals such as Water, Ethanol and Benzene.
Journal ArticleDOI
Polarization filtering in the visible wavelength range using surface plasmon resonance and a sunflower-type photonic quasi-crystal fiber
TL;DR: In this article, a novel polarization filter based on a sunflower-type photonic quasi-crystal fiber (PQF) is proposed, which can efficiently produce polarized light with visible wavelengths by using the resonance between the second-order surface plasmon polariton mode and the core mode of the PQF.
Journal ArticleDOI
Double-cladding structure dependence of guiding characteristics in six-fold symmetric photonic quasi-crystal fiber
TL;DR: In this article, the double-cladding structure dependence of guiding characteristics in six-fold symmetric photonic quasi-crystal fiber (PQF) is investigated, and three PQFs featuring one, two and three inner air holes are considered.
References
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Journal ArticleDOI
All-silica single-mode optical fiber with photonic crystal cladding
TL;DR: The fabrication of a new type of optical waveguide: the photonic crystal fiber that supports a single robust low-loss guided mode over a very broad spectral range of at least 458-1550 nm.
Journal ArticleDOI
Generation of Megawatt Optical Solitons in Hollow-Core Photonic Band-Gap Fibers
Dimitre G. Ouzounov,Faisal R. Ahmad,Faisal R. Ahmad,D. Muller,D. Muller,Natesan Venkataraman,Natesan Venkataraman,Michael T. Gallagher,Michael T. Gallagher,Malcolm G. Thomas,Malcolm G. Thomas,John Silcox,John Silcox,Karl W. Koch,Karl W. Koch,Alexander L. Gaeta,Alexander L. Gaeta +16 more
TL;DR: The results demonstrate a unique capability to deliver high-power pulses in a single spatial mode over distances exceeding 200 meters, and represent an increase in the power that can be propagated in an optical fiber of two orders of magnitude.
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Complete photonic bandgaps in 12-fold symmetric quasicrystals
TL;DR: It is shown that complete photonic bandgaps—non-directional and for any polarization—to be realized with small air holes in silicon nitride, glass, and even glass make photonic quasicrystals promising for application in a range of optical devices.
Journal ArticleDOI
Properties of photonic crystal fiber and the effective index model
TL;DR: In this paper, the waveguiding properties of a new type of low-loss optical waveguide have been reported, where the photonic crystal fiber can be engineered to support the fundamental guided mode at every wavelength within the transparency window of silica.
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Photonic Band Gaps in Two Dimensional Photonic Quasicrystals
TL;DR: Using a spectral method that scales linearly with the system size, the authors found that sizable spectral gaps for each polarization in 2D can be found in aperiodic arrangements of dielectrics that resemble quasicrystalline tiling.