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Relevant bibliographies by topics / Photonic Crystal; Plane Wave Expansion; Refractive Index

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Academic literature on the topic 'Photonic Crystal; Plane Wave Expansion; Refractive Index'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Photonic Crystal; Plane Wave Expansion; Refractive Index"

1

Rezaei, Behrooz, Ibrahim Halil Giden, Mohammad Sadegh Zakerhamidi, Amid Ranjkesh, and Tae-Hoon Yoon. "Two-Dimensional Hybrid Photonic Crystal With Graded Low-Index Using a Nonuniform Voltage." Zeitschrift für Naturforschung A 75, no. 1 (2019): 65–71. http://dx.doi.org/10.1515/zna-2019-0144.

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AbstractWe proposed a new method for designing graded index lens using liquid crystal infiltration into annular photonic crystals. Applying an external nonuniform voltage in the transverse direction perpendicular to the direction of light propagation yields different orientation of liquid crystal molecules inside the photonic crystal unit cells. As a result, a gradient refractive index was modulated. We numerically investigate focusing properties of the designed graded index structure using plane-wave expansion and finite-difference time-domain methods. The gradient refractive index profile wa

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Kalyani, Vijay Laxmi, and Varsha Sharma. "Design Nanocavity Coupled Biosensor Based On 2D Photonic Crystal." Journal of Management Engineering and Information Technology (JMEIT) 4, no. 3 (2017): 3. https://doi.org/10.5281/zenodo.821240.

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In this paper we have presented a two dimensional photonic crystal based biosensor. The structure of biosensor consists a linear waveguide with nanocavity which is used for sensing purpose, their refractive index change according to sensing material. Plane wave expansion method use to find out a bandgap. For the purpose structure band gap is 1339 to 1981nm and input wavelength is 1550nm. The simulation results have analyzed by using the finite difference time domain (FDTD) method.

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3

Wellenzohn, Markus, Eva Melnik, Paul Muellner, Liam O’Faolain, and Rainer Hainberger. "Design of a Photonic Crystal Defect Waveguide Biosensor Operating in Aqueous Solutions at 1.34 µm." Proceedings 2, no. 13 (2018): 1026. http://dx.doi.org/10.3390/proceedings2131026.

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A two-dimensional photonic crystal defect waveguide sensor based on CMOS-compatible silicon-on-insulator technology was designed for operation in aqueous solutions at a wavelength of 1.34 µm, by the use of the 3D Plane Wave Expansion and the Finite Difference Time Domain simulation method. An operation under water in this wavelength regime allows for a significantly smaller propagation loss in contrast to the state-of-the-art operation wavelength of photonic crystals at 1.55 µm. The sensor working principle is label-free and based on evanescent wave sensing exploiting the local refractive inde

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Rajalakshmi, G., A. Sivanantha Raja, and D. Shanmuga Sundar. "Design and optimization of two dimensional photonic crystal based optical filter." Journal of Nonlinear Optical Physics & Materials 24, no. 03 (2015): 1550027. http://dx.doi.org/10.1142/s0218863515500277.

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In this paper, the channel drop filter based on two dimensional photonic crystal is proposed. The structure is made of silicon rods with the refractive index n1 = 3.4641 which are perforated in air with refractive index n2 = 1. The simulation results are obtained using 2D finite difference time domain (FDTD) method. The photonic band gap is calculated by plane wave expansion solver method. Resonant mode of the ring resonator and the filter transmission spectrum is calculated using 2D FDTD method. Full width half maximum (FWHM) bandwidth of the filter at the output transmission spectrum from 1.

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K., Venkatachalam, Robinson S., and Priya Reenu. "Performance analysis of 2D PC Resonant Cavity based Demultiplexer for CWDM Applications." Journal of Optical Communication Electronics 6, no. 1 (2020): 1–8. https://doi.org/10.5281/zenodo.3667014.

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<strong>In this paper, four port Photonic Crystal Resonant Cavity based different demultiplexers by varying radius and by altering the refractive index of rods in resonant cavities are proposed for CWDM applications. The proposed structure has bus waveguide, dropping waveguide and four resonant cavities in each demultiplexer. The performance parameters of demultiplexer such as transmission efficiency, spectral width, channel spacing, quality factor and resonant wavelength are analyzed. The first structure is able to drop four different channels which are centered at 1499 nm, 1501.7 nm, 1504.2

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Sharma, Varsha, and Vijay Laxmi Kalyani. "Design Two Dimensional Nanocavity Photonic Crystal Biosensor Detection in Malaria." International Journal of Emerging Research in Management and Technology 6, no. 6 (2018): 16. http://dx.doi.org/10.23956/ijermt.v6i6.239.

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In this paper we design a two dimensional (2-D) photonic crystal based biosensor implemented by linear waveguide and nanocavity detection in malaria. The bio molecules such as a red blood cell, infected red blood cell, trapped inside the nanocavity cause transmission shift at the output terminal. The sensing mechanism of biosensor is change in refractive index of analytes. The layout biosensor is consists a linear waveguide with a nanocavity in square symmetry For the proposed photonic based biosensor, the band gap from 2210nm to 1420 nm and input wavelength of 1550nm are used in this design.

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7

Adoghe, Anthony U., Etinosa Noma-Osaghae, and Rimamchika Israel Yabkwa. "Photonic Crystal and its Application as a Biosensor for the Early Detection of Cancerous Cells." International Journal of Online and Biomedical Engineering (iJOE) 16, no. 03 (2020): 86. http://dx.doi.org/10.3991/ijoe.v16i03.12523.

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<p>The motivation for this paper is the strikingly sad statistics, obtained from various research bodies globally, regarding the effect of cancers on the global populace and the impact of current methods put in place for the early diagnosis of cancer. This paper is novel for many reasons. Primarily, it presents the use of an optical biosensor based on photonic crystal for cancer cell detection. This biosensor was recently developed as an ultra-compact biochemical sensor based on a 2D photonic crystal cavity known for altering its spectrum in proportion to minute changes in refractive ind

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Jannesari, Reyhaneh, Gerald Pühringer, Gerald Stocker, Thomas Grille, and Bernhard Jakoby. "Design of a High Q-Factor Label-Free Optical Biosensor Based on a Photonic Crystal Coupled Cavity Waveguide." Sensors 24, no. 1 (2023): 193. http://dx.doi.org/10.3390/s24010193.

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In recent years, there has been a significant increase in research into silicon-based on-chip sensing. In this paper, a coupled cavity waveguide (CCW) based on a slab photonic crystal structure was designed for use as a label-free biosensor. The photonic crystal consisted of holes arranged in a triangular lattice. The incorporation of defects can be used to design sensor devices, which are highly sensitive to even slight alterations in the refractive index with a small quantity of analyte. The plane wave expansion method (PWE) was used to study the dispersion and profile of the CCW modes, and

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Benmerkhi, A., M. Bouchemat, and T. Bouchemat. "Computational Study of Photonic Crystal Resonator for Biosensor Application." Frequenz 73, no. 9-10 (2019): 307–16. http://dx.doi.org/10.1515/freq-2019-0025.

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Abstract A two dimensional photonic crystal biosensor with high quality factor, transmission and sensitivity has been theoretically investigated using two dimensional finite difference time domain method (FDTD) and plane-wave expansion (PWE) approach. The studied biosensor consisted of two waveguide couplers and one microcavity formed by removing one air pore. Following analyte injection into the sensing holes and binding, the refractive index changes inducing a possible shift in the resonant wavelength. For the optimized structure, the biosensor quality factor is found to be over 49,767 and t

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Simsek, S., S. Palaz, A. M. Mamedov, and E. Ozbay. "Fibonacci Sequences Quasiperiodic A5B6C7 Ferroelectric Based Photonic Crystal: FDTD analysis." Advanced Electromagnetics 6, no. 4 (2017): 6–10. http://dx.doi.org/10.7716/aem.v6i4.451.

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In this study, we present an investigation of the optical properties and band structures for the conventional and Fibonacci photonic crystals (PCs) based on some A5B6C7 ferroelectrics (SbSBr and BiTeCl). Here, we use one dimensional SbSBr and BiTeCl based layers in air background. We have theoretically calculated the photonic band structure and transmission spectra of SbSBr and BiTeCl based PC superlattices. The position of minima in the transmission spectrum correlates with the gaps obtained in the calculation. The intensity of the transmission depths is more intense in the case of higher ref

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Conference papers on the topic "Photonic Crystal; Plane Wave Expansion; Refractive Index"

1

Dutta, Hemant Sankar, and Suchandan Pal. "Sensitivity analysis for photonic crystal waveguide based refractive index sensing using plane wave expansion simulations." In 2015 Workshop on Recent Advances in Photonics (WRAP). IEEE, 2015. http://dx.doi.org/10.1109/wrap.2015.7805949.

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Leung, K. M., L. Carin, K. Agi, B. A. Garetz, and J. Abers. "Two-dimensional photonic band structure." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fee7.

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The photonic band structure of a 2D photonic band-gap crystal is investigated by using the coherent microwave transient spectroscopy technique.1 A mode-locked, pulse-compressed, frequency-doubled Nd-YLF laser is used to switch planar antennas photoconductively. The freely propagating pulsed radiation generated by the coplanar strip horn antennas has a usable bandwidth extending from 5 to nearly 100 GHz. The crystal is made by drilling a parallel set of holes on a triangular lattice in a dielectric whose refractive index is 3.6. The theoretically determined optimal hole diameter is 0.96 times t

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