Thermo-Optic Switching Effect Based on Fluid-Filled Photonic Crystal Fiber

Wang, Yiping; Bartelt, H.; Ecke, Wolfgang; Moerl, Klaus; Lehmann, H.; Schroeder, Kerstin; Willsch, Reinhardt; Kobelke, Jens; Rothhardt, Manfred; Spittel, Ron; Shan, Liye; Brueckner, Sven; Jin, Wei; Tan, Xin; Jin, Long

doi:10.1109/lpt.2009.2037242

Cited by 26 publications

(11 citation statements)

References 12 publications

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“…Properties of presented fiber-optical limiter are variable and the power limits could be adjusted by the appropriate selection of used materials, geometry of LCOF, especially distance of absorption layer from the core, and the ambient temperature. Similar construction can be employed as a limiter and cut-off device of optical radiation propagated in optical waveguides as it is demonstrated in this letter, but also in silicon-on-insulator waveguides [13,14], liquid-filled photonic crystal fiber [6,15] or polymer incorporated microstructured optical fiber [7].…”

Section: Discussionmentioning

confidence: 87%

Fiber-Optical Power Limiter and Cut-Off Switch Based on Thermo-Optical Effect

Martinček

Pudiš

2012

IEEE Photon. Technol. Lett.

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In this letter, the fiber-optical power limiter and cut-off switch based on liquid core optical fiber (LCOF) is presented. As a core medium in the silica fiber, the Cargille mineral oil is used. In the metal coated tapered LCOF, a thermo-optical effect is employed. Attenuation exceeding 20 dB and response of 1.5 ms was documented by measurements.Index Terms-Optical fiber applications, optical fiber devices, thermo-optical devices.

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Section: Discussionmentioning

confidence: 87%

Fiber-Optical Power Limiter and Cut-Off Switch Based on Thermo-Optical Effect

Martinček

Pudiš

2012

IEEE Photon. Technol. Lett.

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“…Such dynamic structure gives PCF excellent transmission characteristics, such as low loss, high nonlinearity, high-order mode limitation, etc ([1]- [3]). PCF can be used as a temperature dependent component [4], Innovative PCFs have been incorporated into optical devices, including optical switches [5], Option for optical filter ([6]- [7]), Splitters polarizing beams [8], and optical sensors [9], An analogous, efficient phase index fiber is also used to characterize solid core photonic crystal fibers. The effective core and cladding can be highly dependent on the size of the modal field in cladding, the contribution to modal propagation from the periodic arrangement of holes is negligible as a result of the high core-cladding index contrast when the wavelength of light is larger than the thickness of the distance between the holes but smaller than the core diameter.…”

Section: Introductionmentioning

confidence: 99%

The Refractive Index Of Photonic Crystal Fibers As A Function Of Some Parameters And Temperature

Altaie¹

2022

Al-Qadisiyah Journal of Pure Science

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Photonic crystal fibers in the late period occupied a wide range of studies and research because of the ease of dealing with them in terms of design and installation, as there is a group of parameters used in them that can affect the refractive index of the pulse propagation through it, including the diameter of the air holes, the distance between the air holes and their number, as this study showed in addition to the aforementioned parameters The effect of temperature on the refractive index was also studied. It has been observed that with an increase in the diameter of the air holes, the refractive index increases and, conversely, the increase in the distance between them leads to a decrease in the refractive index. As for the number of air holes, it has no clear effect. As for the temperature, which is proportional to the frequency and intensity, this increase in temperature leads to an increase in the refractive index of the pulse passing through the photonic crystal fiber. Changing the temperature of the photonic crystal fiber is an interesting for dynamics fine refractive index tuning in active refractive index shift compensation system. this paper present a numerical analysis on the effect of photonic crystal fiber temperature on refractive index and modal features. the research depend on regular hexagonal crystal lattice fibers with specific geometric parameters using finite element method.

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“…Photonic crystal fibers (PCF) have been used to realize various functions based on different optical effects by employing their flexible airhole structures and the special wave-guiding mechanism [1], [2]. The optical switching effect is a typical optical effect, which can turn the light transmission on or off [3]. To realize the optical switching effect in a solid-core photonic crystal fibers (SC-PCF), a common method is to fill the airholes of SC-PCF with different materials, such as liquid crystals [4], [5], organic compounds [6]- [9], and nanoparticle-doped mixtures [10], and then tune the fiber loss by changing the refractive index of the filling material, which depends on temperature [11]- [13].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Hollow-Core Photonic Crystal Fiber Optical Switching Effect in Liquid Nitrogen Environment

Song

Zhu

et al. 2020

IEEE Photonics J.

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In this study, the hollow-core photonic crystal fiber (HC-PCF) optical switching effect in liquid nitrogen (LN 2) environment is demonstrated and experimentally investigated. Turning off the light transmission is realized by the liquefaction of air present in the airholes of the HC-PCF when the fiber is immersed in LN 2 , and turning on the light transmission is realized by the evaporation of air when the fiber is taken out of LN 2. The extinction ratio of the optical switching effect is found to be ∼50 dB; furthermore, the turn-on and turn-off time of the optical switching effect can reach ∼8 s and ∼3 s, respectively. Thus, optical switching effect in a HC-PCF in LN 2 environment can be easily realized, which is beneficial in building all-fiber in-line low-frequency optical-switching systems that can be potentially applied in areas such as fiber sensors.

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Thermo-Optic Switching Effect Based on Fluid-Filled Photonic Crystal Fiber

Cited by 26 publications

References 12 publications

Fiber-Optical Power Limiter and Cut-Off Switch Based on Thermo-Optical Effect

Fiber-Optical Power Limiter and Cut-Off Switch Based on Thermo-Optical Effect

The Refractive Index Of Photonic Crystal Fibers As A Function Of Some Parameters And Temperature

Experimental Study of Hollow-Core Photonic Crystal Fiber Optical Switching Effect in Liquid Nitrogen Environment

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