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Temperature insensitive large free spectral range micro-ring resonator
Simultaneous temperature insensitive and large free spectral range (FSR) micro-ring resonator is reported using wide ring waveguide. The analysis has...
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Beyond the Free Spectral Range: On-Chip Spectrometer with Multi-color Cascaded Colloidal Quantum-Dot Photodiodes
Colloidal quantum dots (QDs), as a low-cost, flexibly tunable and fabrication scalable semiconductor material, have demonstrated exceptional...
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Optical frequency comb with tunable free spectral range based on two Mach-Zehnder modulators cascaded with linearly chirped fiber Bragg grating and phase modulator
An approach for generating optical frequency comb (OFC) with tunable free spectral range ( FSR ) is proposed. Two Mach-Zehnder modulators (MZMs) driven...
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Single Crystals of YAlO3:Er for 1.6 μm Spectral Range Lasers
AbstractSingle crystals of YAlO 3 -Er (YAP:Er) are grown by the Bridgman method from melts with different Y/Al ratio. The structural defects and color...
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Ultrafast opto-magnetic effects in the extreme ultraviolet spectral range
Coherent light-matter interactions mediated by opto-magnetic phenomena like the inverse Faraday effect (IFE) are expected to provide a non-thermal...
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Study in the Extreme UV Range of the Spectral Transmission of Nickel Plasma Created under the Effect of an X-Ray Pulse of the Z-Pinch
AbstractSpectral properties of the high-temperature plasma obtained by exposing a nickel layer to a source of high-power X-ray radiation (a power of...
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Sub-megahertz spectral dip in a resonator-free twisted gain medium
Ultra-narrow optical spectral features resulting from highly dispersive light–matter interactions are essential for a broad range of applications...
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Determination of the Number of Free Water Molecules in Aqueous Solutions on the Basis of Interrelated Consideration of the Polarization Processes in Water in the THz Frequency Range
AbstractThe structure of aqueous solutions has been studied for a long time; however, many things still remain unclear. One of the ways to describe...
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Arbitrary free spectral range control of optical frequency combs based on an optical tapped delay line structure cascaded with a phase modulator
We propose and demonstrate a simple method to accomplish arbitrary free spectral range (FSR) control of optical frequency combs (OFC). The approach...
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Ghost-imaging-enhanced noninvasive spectral characterization of stochastic x-ray free-electron-laser pulses
High-intensity ultrashort X-ray free-electron laser (XFEL) pulses are revolutionizing the study of fundamental nonlinear x-ray matter interactions...
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Spectral form factor for free large N gauge theory and strings
We investigate the spectral form factor in two different systems, free large N gauge theories and highly excited string gas. In both cases, after a...
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Simulation and sensitivity analysis of a plasmonic FET based sensor in visible spectral range under different design conditions
In this work, an Si–SiO 2 –ZnO–Au nanoparticles (NPs) structure based plasmonic multilayer FET design is studied for sensing application. Here, Si is...
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Broadband Spectral Deconvolution of GRBs
Data from GRBs which occurred in the field of view of COMPTEL have been jointly analysed with the corresponding BATSE data using the Band spectral...
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Experimental and Theoretical Analysis of the Broadening and Shift of H2O Absorption Lines by Monatomic Gases in a Wide Spectral Range
AbstractThe results obtained at the Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Sciences, and abroad in studying the...
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Quantum Cascade Lasers for the Mid-infrared Spectral Range: Devices and Applications
Quantum cascade lasers emitting at λ∼5 µm based on different active region designs are investigated. Using lattice-matched GaInAs/AlInAs on InP...
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Hyper spectral resolution stimulated Raman spectroscopy with amplified fs pulse bursts
We present a novel approach for Stimulated Raman Scattering (SRS) spectroscopy in which a hyper spectral resolution and high-speed spectral...
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Characterization of a pulsed, supersonic gas jet by absorption of high-order harmonics in the extreme ultraviolet spectral range
We present a method for determining the temporal and spatial evolution of a gas jet generated by a pulsed nozzle using high-order harmonics of a...
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Spectral Engineering for Optimal Signal Performance in the Microwave SQUID Multiplexer
We describe a technique to optimize the dynamic performance of microwave SQUID multiplexer (µMUX)-based systems. These systems proved to be adequate...
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Performance analysis in spectral-amplitude-coding-optical-code-division-multiple-access using identity column shift matrix code in free space optical transmission systems
The growing need for high-speed services, coupled with data-intensive technologies like the Internet of Things (IoT), is expected to exacerbate...
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Spectral Analysis of Random Networks
We review a general approach that describes the spectra of eigenvalues for random graphs with a local tree-like structure. The exact equations to the...