Search
25 articles for “nonlinear optics”
-
Growth, Structural and Optical characteristics of Citric Acid Doped Copper Sulphate Single Crystals Polymer Composites Photonic Applications
Abstract: The organic material Citric Acid doped Copper Sulphate single crystals (CACS) was synthesized and single crystal was grown by slow evaporation method. The incorporation of citric acid, an organic compound, introduces polymer-like functional behavior into the crystal matrix, forming an organic-inorganic hybrid composite with enhanced optical and structural characteristics. Single crystal XRD confirmed the triclinic system with unit cell parameters: a = 5.96 Å, b = 6.11 Å, c = …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 482–488 Read article
-
Structure and Crystal Growth of Urea Doped P- Block Element
Abstract: Nonlinear optical (NLO) materials exhibiting second harmonic generation have attracted considerable attention over the past few decades because of their technological significance in areas such as optical communication, signal processing, and instrumentation. Urea, being an important NLO material, presents challenges in crystal growth and handling due to its highly hygroscopic nature. Various derivatives of urea have been investigated for NLO applications, and some have shown promising potential in this field. …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 08–13 Read article
-
Tunable optomechanical induced transparency and Fano-resonance in double cavity Optomechanical system with nonreciprocal coupling
Abstract: We explore theoretically optomechanical induced transparency and asymmetric Fano-Line shape profile of a double cavity optomechanical system with nonreciprocal coupling at weak and strong coupling regime. The model system consists of one mechanical mode and two optical modes. The optical mode is coupled via nonreciprocal transition. The mechanical model is coupled to the optical model via optomechanical interaction. We have analyzed induced transparency and Fano-Line shape profile and present a …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 2, 2021 · pp. 5–15 Read article
-
Non-linear Photonic Crystals and their Applications: A Review
Abstract: The nonlinear photonic crystals (NLPCs) are periodic material structures in which nonlinear materials are used for photonic structure formation. In nonlinear photonic crystals, the optical response mainly depends on the intensity of the light beam that propagates through the photonic crystal. These structures show new optical properties with improved or enhanced or new functionalities that cannot be observed in linear photonic crystals. In addition to this, using nonlinear materials in …
Published in Trends in Opto-electro & Optical Communication · Vol. 12, Issue 2, 2022 · pp. 36–39 Read article
-
Facile Synthesis and Characterization of Cd²⁺ Doped NiAl₂O₄ Nanoparticles for Advanced Polymer Composite Integration
Abstract: Ni1-xCdxAl2O4, where 0 ≤ x ≤ 0.5, was successfully synthesized using the chemical co-precipitation technique, a scalable and cost-effective route suitable for composite material applications. X-ray diffraction (XRD) analysis revealed a crystalline cubic spinel structure for the resulting nanoparticles, with determined crystallite sizes ranging from 36 to 12 nm for NiAl2O4 and Cd-doped NiAl2O4. The respective band gaps for the materials were found to be 3.51 and 4.18 eV. Infrared …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 59–72 Read article
-
Comprehensive Review of the Fundamental and Functional Properties of Crystalline Materials
Abstract: Crystalline materials, characterized by their highly ordered atomic arrangements, serve as the backbone of modern engineering and technology. This review provides a detailed examination of their diverse properties, categorized into mechanical, thermal, electrical, and optical domains. We analyze fundamental mechanical parameters such as the elastic modulus, yield strength, and fracture toughness, alongside functional behaviors like fatigue and creep. The discussion extends to thermal transport and expansion, electrical conductivity and resistivity, …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 1, 2026 · pp. 20–24 Read article
-
Manganese Mercury Thiocyanate Doped Zirconium Silicate Crystal Structure for Photo-Electronic, Electro-Optic and Sensor Applications
Abstract: Manganese mercury thiocyanate is a well-known organometallic crystal prized for its nonlinear optical properties. The high second harmonic efficiency of nearly 18 times that of urea and the wide optical transmittance window (373–2250 nm) of MMTC indicate that this material is an excellent candidate for photonics device fabrication. The metal thiocyanates and their Lewis-base adducts are one of the interesting themes of structural chemistry. For MMTC is a very flexible …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 2, 2026 Read article
-
Growth, Optical, Mechanical and Electrical Properties of Zinc Sulphate Admixtured N-N’-dimethylurea Single Crystals (DMUZS)
Abstract: AbstractThe single crystals of zinc sulphate admixtured N-N’-dimethylurea (DMUZS) were grown by slow evaporation technique from aqueous solution at room temperature. Good quality crystals of size 16×12×5 mm3 had been obtained after 35 days. The grown crystals were characterized by single crystal XRD analysis to determine the lattice constant of the sample. Powder X-ray diffraction studies confirm the crystalline nature of the grown crystal. Fourier transform infrared (FT-IR) studies were …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 1, 2018 · pp. 24–33 Read article
-
Red emissive MSA capped CdTe quantum dots for cell imaging
Abstract: The changes in the optical and electronic properties of the materials due to the quantum confinement effect in semiconductor nanoparticles have attracted huge interest in the scientific community. Within the semiconductor nanoparticles, the quantum dots (QDs) deserve a special position due to their high quantum confinement effect and unique optoelectronic properties. Among the semiconductor quantum dots, CdTe attracts more attention due to its easy manufacturing, large Bohr exciton radius, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 716–721 Read article
-
Synthesis and Applications of Copper- Doped Pyridine Precipitate
Abstract: A metal organic nonlinear optical single crystal, copper doped pyridine material, was created at room temperature using the slow evaporation solution growth technique (SEST). The developed material's crystalline nature was revealed by a powder X-ray diffraction (XRD) analysis. Single crystal XRD study shows that the material synthesized possesses monoclinic system of cell parameters, a = 11.44 Å, b = 7.92 Å, C = 11.74 Å and alpha and gamma is …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 1, 2025 · pp. 51–60 Read article
-
Growth, XRD, FTIR and Second Order NLO studies of Undoped and Zinc Sulphate doped L-Histidine Single Crystals
Abstract: AbstractSingle crystals of pure (undoped) L-histidine and Zinc sulphate doped L-histidine have been synthesized and grown by slow evaporation method using water as the solvent. These grown crystals are characterized by FTIR, XRD and SHG. From Fourier transform infrared (FTIR) spectral analysis, the various functional groups present in the sample have been confirmed. The X-ray diffraction (XRD) study ensures that the grown crystal crystallizes in the orthorhombic system and the …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 31–36 Read article
-
Performance Study for Optical Half Subtractor Based on SOA
Abstract: AbstractThis article explores for an optical binary half subtractor design which is based on the semiconductor optical amplifiers nonlinear characteristics. For that, the difference output operation of data’s has been realized in the one branch with semiconductor optical amplifier realizing XOR operation and for borrow operation the AND logic operation of the data B with complaint of data A is realized in the other semiconductor optical amplifier branch. Accordingly the …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 3, 2015 · pp. 50–57 Read article
-
Implementation of All-Optical Logic Gate using SOA-MZI Structures
Abstract: AbstractSemiconductor optical amplifiers (SOAs) are very attractive nonlinear elements for the realization of different logic functions, since they can exhibit a strong change of the refractive index together with high gain. In this paper, a principle of operation, simulation step and experimental result of different all-optical logic gate (AND Gate, OR Gate, XOR Gate) are well presented. These gates are based on the nonlinearities on SOAs. The experimental results are …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 3, 2013 · pp. 13–21 Read article
-
Total-internal-reflection-based optical rotation quasi-phase-matching for efficient second-harmonic generation in Cadmium Germanium Arsenide crystal
Abstract: This study investigates a total-internal-reflection (TIR)-based optical rotation quasi-phase-matching (ORQPM) approach for second harmonic generation within a cadmium germanium arsenide crystal slab. The crystal is coated with a thin film of yttrium oxide to facilitate precise control over phase shifts between p- and s-polarized light upon reflection at the slab-film interface. By leveraging the interplay between TIR- induced optical rotation and fractional QPM effects at designated bounce points, the configuration …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 1, 2026 · pp. 01–09 Read article
-
Design and Performance Investigation with Erbium-Ytterbium Co- Doped Fiber Amplifier Link
Abstract: AbstractLight wave propagation through optical fiber suffers from numerous linear and nonlinear effects. To compensate it techniques have been adopted. Amongst optical fiber amplifiers doped with ions are one of the key tools to enhance spectral efficiency further. In this vision, an optical design with EDFA and Erbium ytterbium co-doped fiber amplifier is presented for the single channel. The design’s performance has been investigated for numerous optical parameters for instance …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 2, 2017 · pp. 6–13 Read article
-
Analysis of Saturation Power based on Device Structural Parameters of a 1550 nm Symmetrical MQW Semiconductor Optical Amplifier
Abstract: AbstractThis paper presents the effect of device structure parameters on the saturation power of a 1550 nm symmetrical Multi Quantum Well (MQW) Semiconductor Optical Amplifier (SOA) for a small signal amplifier gain of 30 dB. Expressions are given to assess this dependency and the results indicate that saturation power decreases with the increase of the number of wells, well thickness and length but increases with the increase of barrier thickness. …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 13–18 Read article
-
Comparison of Advance Data Modulation Formats in 4×10 Gbps WDM Optical Communication System using YDFA-EDFA and Raman-EDFA Hybrid Amplifiers
Abstract: In this paper, comparison of various advance data modulation formats in 4×10 Gbps wavelength division multiplexing (WDM) optical communication system using various hybrid optical amplifiers (YDFA-EDFA and Raman-EDFA) has been carried out. The advance modulation formats under study include non-return-to-zero (NRZ), return-to-zero (RZ), carrier-suppressed return-to-zero (CSRZ), Duobinary return-to-zero (DRZ) and modified Duobinary return-to-zero (MDRZ). The WDM hybrid system has been analyzed over 100 km fiber for 10 Gbps system. It …
Published in Current Trends in Information Technology · Vol. 10, Issue 1, 2020 · pp. 23–29 Read article
-
Design of Ultrafast Optical Full Subtractor Link and Performance Analysis
Abstract: AbstractThis article illustrates proposed optical full subtractor schematic through SOA-MZI, yield borrow and difference outputs concurrently. The objective has been accomplished by exploiting nonlinear attributes with SOA. Numerical simulations have been executed and craving optical subtractor output waveforms have been verified at 100 Gbps data rate. Optimization criterion for the design’s performance measurement is taken as Q-factor and the extinction ratio factor. The subtractor output difference and borrow outcomes with …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 3, 2017 · pp. 7–20 Read article
-
Photonic Design of Two Input XOR Gate at 50 Gbps Data Rate
Abstract: This manuscript explores the photonic design of two input XOR gate at 50 Gbps data rate. In the photonic circuit, each component exercised supports for the light wave propagation. The performance of optical XOR gate is alike to their digital variant. The key constituents utilized in designing of this photonic network are 2×2 optical coupler and semiconductor optical amplifier. The proposed design is executed by the igniting the nonlinear attributes …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 32–39 Read article
-
Implementation of Optical XOR Gate and Gray to Binary Code Converter Using Mach-Zehnder Interferometer
Abstract: AbstractWith the progress in optical communication system, optical networks are demanding of all optical devices to improve the speed, power and to reduce the attenuation during transmission of signals. In this paper, execution of gray to binary code converter with the aid of semiconductor optical amplifier (SOA) based Mach-Zehnder interferometer (MZI) is proposed, with the help of all-optical XOR logic gate, which is also demonstrated by using SOA-MZI, where CW …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 1, 2017 · pp. 1–5 Read article