Results 131 to 140 of about 1,637,850 (263)
Modeling a Tunable Narrow Linewidth Laser
, 2020 In this report a model of a tunable narrow linewidth laser used for telecommunications is presented. The model uses both theoretical analysis and experimental data to create the mathematical models governing its behaviour and is aimed to be useful in a development environment with requirements on accuracy, efficient implementation and adaptability to ...
openaire +1 more source
Magnetic Resonance in Medicine, Volume 96, Issue 4, Page 1524-1533, October 2026.ABSTRACT Purpose Magnetic resonance spectroscopy techniques are widely used to non‐invasively study brain metabolism. Despite advances in magnetic resonance spectroscopic imaging (MRSI), there is a notable absence of research on comparing fast non‐Cartesian MRSI with single‐voxel spectroscopy (SVS), limiting our understanding of its performance and ...
Young Woo Park +3 more
wiley +1 more source
NMR in Biomedicine, Volume 39, Issue 10, October 2026.A single‐shot, multifrequency‐selective 1H‐MRS technique known as double Delays‐Alternating‐Nutation‐Tailored‐Excitation‐Point RESolved‐Spectroscopy (DANTE‐PRESS) can selectively refocus two frequencies of interest and simplify spectral modeling. ABSTRACT Glutamate and glutathione share a complex and tightly regulated cycle where imbalances can be a ...
Kesavi Kanagasabai +3 more
wiley +1 more source
Scalable Emitter Photonic Integrated Circuits on an Open‐Access Indium Phosphide Foundry
Nanophotonics, Volume 15, Issue 17, 11 September 2026.An open‐access indium phosphide platform with high‐speed 80 GBaud modulators delivers versatile emitter PICs. By showcasing a widely tunable optical frequency comb generator, a 672 MHz record low‐repetition‐rate mode‐locked extended cavity mode locked laser, and monolithic InP tunable laser with a narrow linewidth of 8.2 kHz, this work presents a ...
Durvasa Y. Gupta +4 more
wiley +1 more source
Photonic Integrated Circuit Platform on 3 μm Thick Silicon‐on‐Insulator and Its Application Examples
Nanophotonics, Volume 15, Issue 17, 11 September 2026.This paper gives an overview of the 3 μm SOI PIC platform and explains its unique characteristics, such as ultra‐high mode confinement, low losses, dense integration, polarization‐independent operation, small phase errors, and ultra‐broadband operation.
Timo Aalto +9 more
wiley +1 more source
Photophysics of Distinguished Defect States in Bi2O2Se Thin Films
Nanophotonics, Volume 15, Issue 17, 11 September 2026.An experimental comparison of CVD‐grown Bi2O2Se thin film and films prepared by OTG solution method with similar electrical properties reveals the defects mechanisms in Bi2O2Se thin films via OTG solution method, offering defect engineering strategies for high‐power electronics.
Xiaoran Niu +11 more
wiley +1 more source
Reconfigurable Terahertz Multi‐Harmonic Dual‐Combs
Nanophotonics, Volume 15, Issue 17, 11 September 2026.Terahertz dual‐comb spectroscopy requires precise control of repetition frequencies. A reconfigurable dual‐comb system is realized on a single self‐detected quantum cascade laser platform, where harmonic order serves as a new tuning parameter. Switching among fundamental and harmonic states enables flexible multi‐heterodyne down‐conversion without ...
Xuhong Ma +9 more
wiley +1 more source
Nanophotonics, Volume 15, Issue 17, 11 September 2026.Rolling‐enabled transfer printing introduces mechanical orientation as a new degree of freedom for heterogeneous silicon photonics. A conventional TE‐like photonic‐crystal nanobeam laser is mechanically rotated by 90° to selectively couple with the TM‐like mode of a silicon waveguide, enabling polarization‐diverse functionality without redesigning the ...
Byoung Jun Park +8 more
wiley +1 more source
Nanophotonics, Volume 15, Issue 17, 11 September 2026.A unified fiber‐wireless integrated sensing and communication system is enabled by a single microwave photonic platform with a time‐phase synthesis dimension waveform. This architecture simultaneously delivers high‐speed data transmission, high‐precision wireless ranging, and accurate fiber diagnostics over a high‐power analog radio‐over‐fiber link ...
Shengkun Chen +9 more
wiley +1 more source
Titanium Suboxides Responsible for Electronic Anomaly Near Room Temperature in the Ti3C2Tx MXene
Advanced Functional Materials, Volume 36, Issue 72, 7 September 2026.Our multi‐technique study reveals that the near‐room‐temperature anomaly in Ti3C2Tx MXene is linked to titanium suboxide nanodomains, including Ti3O5, embedded within the MXene host. Their temperature‐driven transformation provides an alternative explanation to solvent‐ and swelling‐based models and offers new insight into the thermally activated ...
Bence G. Márkus +8 more
wiley +1 more source