Photonic Crystal Waveguide Biochemical Sensor for the Approximation of Chemical Components Concentrations

Painam, Balveer; Kaler, R.S.; Kumar, Mukesh

doi:10.1007/s11468-016-0341-z

Cited by 15 publications

(8 citation statements)

References 22 publications

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“…The sample for detection is introduced from the top of the proposed system by the microfluidic channel, which supply the sample to the sensor and then to the waste solution bottle. The preliminary investigation is performed by supposing the intrusion of de-ionized (DI) water as a reference, which shows the alteration of RI from 1 (air) to 1.33 (DI water) [9], [15]. When the sample is changed, it binds inside the sensing region of the device and the local RI of the cavity changes and causes a resonant wavelength shift.…”

Section: ░ 3 Simulation Resultsmentioning

confidence: 99%

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Detection and Analysis of Bacterial Water using Photonic Crystal Ring-Resonator Based Refractive-Index Sensor on SOI Platform

Kumar

Bharti

Bindal

2022

IJEER

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A refractive-index biosensor is modeled using a photonic crystal ring resonator. The proposed sensor possesses a high selectivity and high quality-factor against different bacterial water samples. The introduction of the circular rim in the ring resonator structure is responsible for a sharp resonance that makes it suitable for detecting bacterial impurities. The sufficiently separated resonant peak for different samples offers a possibility of highly selective label-free bacterial water detection. The proposed biosensor is highly sensitive, real-time, lab-on-chip, and label-free, which is necessary for on-site detection. The proposed sensor is designed using a silicon-on-insulator platform.

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Section: ░ 3 Simulation Resultsmentioning

confidence: 99%

“…On introducing point defect and line defect, a ring resonator (RR) structure is formed, and light is localized. The electromagnetic wave propagation modes in PhC analysis follow Maxwell's equations [15]:…”

Section: ░ 2 Proposed Sensor Designmentioning

confidence: 99%

Detection and Analysis of Bacterial Water using Photonic Crystal Ring-Resonator Based Refractive-Index Sensor on SOI Platform

Kumar

Bharti

Bindal

2022

IJEER

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“…To give a broader overview, we must add that, in the literature, there are several examples of photonic crystals sensors based on fibers and waveguides as signal transducers. In this case, the signal is correlated to the change in the refractive index of the medium surrounding the guided-wave structure, e.g., a chemical component; using a proper functionalization of the fiber surface, even biomolecules, like proteins and nucleic acids, can bond to the surface and therefore induce a change of refractive index [24,25,28,29]. An enhancement of the detection sensitivity may be achieved by more complex systems, where one exploits the properties of a PhC structure and the surface plasmon resonance (SPR) phenomenon [30], or even a combination of magneto-optic and SPR effects [31].…”

Section: Natural Photonic Crystals and Structural Colorsmentioning

confidence: 99%

Photonic Crystal Stimuli-Responsive Chromatic Sensors: A Short Review

et al. 2020

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Photonic crystals (PhC) are spatially ordered structures with lattice parameters comparable to the wavelength of propagating light. Their geometrical and refractive index features lead to an energy band structure for photons, which may allow or forbid the propagation of electromagnetic waves in a limited frequency range. These unique properties have attracted much attention for both theoretical and applied research. Devices such as high-reflection omnidirectional mirrors, low-loss waveguides, and high- and low-reflection coatings have been demonstrated, and several application areas have been explored, from optical communications and color displays to energy harvest and sensors. In this latter area, photonic crystal fibers (PCF) have proven to be very suitable for the development of highly performing sensors, but one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) PhCs have been successfully employed, too. The working principle of most PhC sensors is based on the fact that any physical phenomenon which affects the periodicity and the refractive index of the PhC structure induces changes in the intensity and spectral characteristics of the reflected, transmitted or diffracted light; thus, optical measurements allow one to sense, for instance, temperature, pressure, strain, chemical parameters, like pH and ionic strength, and the presence of chemical or biological elements. In the present article, after a brief general introduction, we present a review of the state of the art of PhC sensors, with particular reference to our own results in the field of mechanochromic sensors. We believe that PhC sensors based on changes of structural color and mechanochromic effect are able to provide a promising, technologically simple, low-cost platform for further developing devices and functionalities.

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“…The sensor's role is to recognize biological analytes such as enzymes, antibodies, DNA, pathogens, etc, and the transduction mechanism converts the data from these analytes into measurable signals. The sensing of a biological analyte can be due to changes in refractive index [25], chemical composition [26] or temperature [27], among other properties. Sensing of refractive index change is widely used in research, as the refractive index of the analytes is greater than or equal to those of water and air.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of a photonic crystal-based biosensor for the detection of chikungunya virus

Gowdhami¹,

Balaji²

2023

Laser Phys.

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A two-dimensional photonic crystal biosensor is theoretically demonstrated and investigated based on refractive index sensing. It detects the chikungunya virus (CHIKV) in the various blood components with high sensitivity of 421.5 nm/RIU. Simulation and various analyses are done with both normal and infected blood constituents (uric acid, platelets and plasma) to detect CHIKV. The sensor operates within the wavelength range of 1230–1560 nm. The important optical parameters such as sensitivity and quality factor are analyzed and numerical investigations are done with the finite difference time domain method. The sensor is built with a circular array of holes etched on a silicon slab in a hexagonal lattice pattern. A nanohole resonant sensing cavity is placed at the center of two waveguides, enhancing the light–matter interaction of the analyte and trapping the optical mode at the nanohole of the sensor. When the sensor is completely submerged in blood constituents infected with CHIKV (plasma, platelets and uric acid), the resonating modes undergo a shift as the refractive index of each analyte is unique. The sensor has a very high sensitivity of 421.5 nm RIU−1, and a good quality factor of 229.68 for the different blood constituents is obtained. A maximum transmission of 89.25% with a detection limit of 0.01 are obtained and reported in this work.

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Photonic Crystal Waveguide Biochemical Sensor for the Approximation of Chemical Components Concentrations

Cited by 15 publications

References 22 publications

Detection and Analysis of Bacterial Water using Photonic Crystal Ring-Resonator Based Refractive-Index Sensor on SOI Platform

Detection and Analysis of Bacterial Water using Photonic Crystal Ring-Resonator Based Refractive-Index Sensor on SOI Platform

Photonic Crystal Stimuli-Responsive Chromatic Sensors: A Short Review

Design and analysis of a photonic crystal-based biosensor for the detection of chikungunya virus

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