Transient Dynamics of Stimulated Raman Scattering in Gas‐Filled Hollow‐Core Photonic Crystal Fibers

Monfared, Yashar E.

doi:10.1155/2018/8951495

Cited by 15 publications

(7 citation statements)

References 19 publications

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“…We can divide PCFs to two major categories based on their design: solid-core PCFs [36] and hollow-core PCFs [39]. Similar to conventional optical fibers, solid-core PCFs operate based on TIR mechanism [36].…”

Section: Plasmonic Biosensors Based On Photonic Crystal Fibersmentioning

confidence: 99%

“…TIR can be the guiding mechanism in HCPCFs if one fill the core of the fiber with a high index material such as a high index liquid [36]. However, total internal reflection is not possible if we fill the core with a low index material such as a gas [39]. Interestingly, the light guidance in hollow-core PCFs filled with low-index material can still be possible via a photonic bandgap mechanism over a narrow bandwidth [39].…”

Section: Plasmonic Biosensors Based On Photonic Crystal Fibersmentioning

confidence: 99%

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Overview of Recent Advances in the Design of Plasmonic Fiber-Optic Biosensors

Monfared

2020

Biosensors

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Plasmonic fiber-optic biosensors combine the flexibility and compactness of optical fibers and high sensitivity of nanomaterials to their surrounding medium, to detect biological species such as cells, proteins, and DNA. Due to their small size, accuracy, low cost, and possibility of remote and distributed sensing, plasmonic fiber-optic biosensors are promising alternatives to traditional methods for biomolecule detection, and can result in significant advances in clinical diagnostics, drug discovery, food process control, disease, and environmental monitoring. In this review article, we overview the key plasmonic fiber-optic biosensing design concepts, including geometries based on conventional optical fibers like unclad, side-polished, tapered, and U-shaped fiber designs, and geometries based on specialty optical fibers, such as photonic crystal fibers and tilted fiber Bragg gratings. The review will be of benefit to both engineers in the field of optical fiber technology and scientists in the fields of biosensing.

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Section: Plasmonic Biosensors Based On Photonic Crystal Fibersmentioning

confidence: 99%

Section: Plasmonic Biosensors Based On Photonic Crystal Fibersmentioning

confidence: 99%

Overview of Recent Advances in the Design of Plasmonic Fiber-Optic Biosensors

Monfared

2020

Biosensors

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“…Considering pump and Stokes wave propagation in a Raman medium with the transient limit inside gas-filled hollow-core photonic crystal fiber, the TSRS dynamical system can be described by the following equations [34,43]…”

Section: Model Descriptionmentioning

confidence: 99%

Breather phase transitions for a three-component transient stimulated Raman scattering system in nonlinear optics

Li¹

2020

Phys. Scr.

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A three-component transient stimulated Raman scattering system in nonlinear optics is investigated. By applying the Lax-Darboux scheme, analytical breather solutions are constructed. A detailed investigation was performed for the breathers of the off-diagonal density-matrix element, Stokes wave and pump wave. The system possesses both general and Kuznetsov-Ma breathers. Furthermore, an exact link is established between the phase states and spectrum parameter. Via adjusting the spectrum parameter, the breathers exhibit novel phase transitions. The amplitudes and densities of the wave envelopes also vary at the different phase states.

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“…Because the light is trapped in HC-PCF by a photonic bandgap in the cladding that is made of spaced air holes instead of internal reflection, it is possible to guide light in a gas-filled core [2]. In addition, its long interaction length can realize resonance and near-resonance light-light and light-matter interactions [3]. Due to its excellent characteristics in gas sensing, it has been extensively studied for gas detection.…”

Section: Introductionmentioning

confidence: 99%

High-Efficiency Coupling Method of the Gradient-Index Fiber Probe and Hollow-Core Photonic Crystal Fiber

et al. 2019

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A high-efficiency coupling method using the gradient-index (GRIN) fiber probe and hollow-core photonic crystal fiber (HC-PCF) is proposed to improve the response time and the sensitivity of gas sensors. A coupling efficiency model of the GRIN fiber probe coupled with HC-PCF is analyzed. An optimization method is proposed to guide the design of the probe and five samples of the GRIN fiber probe with different performances are designed, fabricated, and measured. Next, a coupling efficiency experimental system is established. The coupling efficiencies of the probes and single-mode fiber (SMF) are measured and compared. The experimental results corrected by image processing show that the GRIN fiber probe can achieve a coupling efficiency of 80.22% at distances up to 180 μm, which is obviously superior to the value of 33.45% of SMF at the same distance. Moreover, with the increase of the coupling distance, the coupling efficiency of the probe is still higher than that of SMF.

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Transient Dynamics of Stimulated Raman Scattering in Gas‐Filled Hollow‐Core Photonic Crystal Fibers

Cited by 15 publications

References 19 publications

Overview of Recent Advances in the Design of Plasmonic Fiber-Optic Biosensors

Overview of Recent Advances in the Design of Plasmonic Fiber-Optic Biosensors

Breather phase transitions for a three-component transient stimulated Raman scattering system in nonlinear optics

High-Efficiency Coupling Method of the Gradient-Index Fiber Probe and Hollow-Core Photonic Crystal Fiber

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