Thermo-optic switch based on transmission-dip shifting in a double-slot photonic crystal waveguide

Cui, Kaiyu; Zhao, Jianlin; Feng, Xue; Huang, Yidong; Li, Yongzhuo; Wang, Da; Zhang, Wei

doi:10.1063/1.4718353

Cited by 37 publications

(26 citation statements)

References 19 publications

(23 reference statements)

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“…The simulation process has been down using COMSOL Multiphysics 4.2 by selecting a fine mode of mesh size. The convergence error seems very low of proposed PCFs about 3.55×10 −5 % and 3.50× 10 −5 % for PCF 3 and PCF 4 , respectively.…”

Section: Resultsmentioning

confidence: 99%

“…6, we have found the highest relative sensitivity when d=0.55 m. For this value of the supplementary holes diameter, PCF 3 shows relative sensitivity 48.50% and 47.78%, and confinement loss 1.28×10…”

Section: Resultsmentioning

confidence: 99%

“…Diameter of the hollow channel is D 2 =1.70 m, which is same as the diameter of the region of supplementary holes in the core (D 1 =D 2 ). Figure 3 shows the computational region of the proposed PCF 3 and PCF 4 , which is divided into homogeneous triangular pieces forming a mesh. Each of the PCFs has two orthogonal sides of the computational region which are assigned with two artificial boundary conditions: perfect electric conductor (PEC) and perfect magnetic conductor (PMC).…”

Section: Introductionmentioning

confidence: 99%

“…Another result of our numerical investigation shows that larger diameter of the innermost ring holes enhances the sensitivity and we have turned into PCF 3 . In PCF 3 , optimized values of air holes diameter have been kept as d 2 =d 3 <d 1 =d 4 . However, we have turned into PCF 4 and achieved higher sensitivity by replacing the group of tiny holes with a single hollow core filled with same analyte to be detected.…”

Section: Introductionmentioning

confidence: 99%

“…Photonic crystal fibers (PCFs) have been attracted a great deal of attention for its incredible performance and large variety of applications. PCF can be used as filters [1], switches [2,3], electro-optical modulators [4,5], polarization converters [6], sensors [7][8][9][10][11][12][13][14][15][16][17], etc. PCF based sensors are smart applications in fiber optic technology which have been investigating and developing since last decade.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Design and optimization of photonic crystal fiber for liquid sensing applications

et al. 2016

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This paper proposes a hexagonal photonic crystal fiber (H-PCF) structure with high relative sensitivity for liquid sensing; in which both core and cladding are microstructures. Numerical investigation is carried out by employing the full vectorial finite element method (FEM). The analysis has been done in four stages of the proposed structure. The investigation shows that the proposed structure achieves higher relative sensitivity by increasing the diameter of the innermost ring air holes in the cladding. Moreover, placing a single channel instead of using a group of tiny channels increases the relative sensitivity effectively. Investigating the effects of different parameters, the optimized structure shows significantly higher relative sensitivity with a low confinement loss.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Design and optimization of photonic crystal fiber for liquid sensing applications

et al. 2016

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Optical Switches

2022

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Rheological and optical response of hydroxypropyl methylcellulose under variable temperatures for optical switching based on thermo‐optical effect

Stoica¹,

Buruiana²,

Albu³

et al. 2022

Polymers for Advanced Techs

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This work is devoted to investigate novel aspects of the rheological and optical response of hydroxypropyl methylcellulose (HPMC) as a result of temperature variations from 308.15 to 338.15 K. First, new insights on correlation between the solution flow behavior and the film thickness uniformity, under distinct temperatures, are established. Then, the HPMC film is examined from the point of view of some basic surface parameters describing the surface morphology, such as root mean square roughness, surface area ratio, texture direction index, kurtosis, skewness and surface bearing index. The refraction properties of HPMC are reported for the first time as a function of wavelength and temperature. The changes in the optical dispersion parameters as a function of temperature increase reveal the reduction of strength of interband optical transitions from 15.147 to 14.086 eV and a smaller band gap from 6.475 to 6.137 eV. The latter is caused by temperature-induced dilatation of the polymer lattice and its effect on the electron-lattice interactions. The thermo-optic coefficient of HPMC is found to be larger than that of other polymers, while its dependence on the wavelength is small, varying from À2.03 Â 10 À4 K À1 at 489 nm to À2.31 Â 10 À4 K À1 . The resulted properties are corresponding to the demands imposed for materials used in optical switching based on thermo-optical effect.

show abstract

Thermo-optic switch based on transmission-dip shifting in a double-slot photonic crystal waveguide

Cited by 37 publications

References 19 publications

Design and optimization of photonic crystal fiber for liquid sensing applications

Design and optimization of photonic crystal fiber for liquid sensing applications

Optical Switches

Rheological and optical response of hydroxypropyl methylcellulose under variable temperatures for optical switching based on thermo‐optical effect

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