Results 31 to 40 of about 549,040 (242)

Sensing Performance of Mono and Bimetallic Nano Photonics Surface Enhanced Raman Scattering (SERS) Devices [PDF]

Engineering and Technology Journal, 2021
In this research, sensing performance of mono and bimetallic nanophotonics SERS sensors of gold-silver nano-columns for the detection of chlorpyrifos was investigated. For optimum substrates for Gold-silver/nano-column surface-enhanced, Raman scattering (
Doaa Jubair, Alwan Alwan, Walid Hamoudi
doaj   +1 more source

A Highly Sensitive Optical Sensor Design by Integrating a Circular-Hole Defect With an Etched Diffraction Grating Spectrometer on an Amorphous-Silicon Photonic Chip

IEEE Photonics Journal, 2012
We present a sensitive optical sensor design by integrating a circular-hole defect with an etched diffraction grating (EDG) spectrometer based on amorphous-silicon photonic platforms.
J. Song, Y. Z. Li, X. Zhou, X. Li
doaj   +1 more source

Organic Solar Cells Improved by Optically Resonant Silicon Nanoparticles

Nanomaterials, 2022
Silicon nanophotonics has become a versatile platform for optics and optoelectronics. For example, strong light localization at the nanoscale and lack of parasitic losses in infrared and visible spectral ranges make resonant silicon nanoparticles a ...
Maria Sandzhieva, Darya Khmelevskaia, Dmitry Tatarinov, Lev Logunov, Kirill Samusev, Alexander Kuchmizhak, Sergey V. Makarov   +6 more
doaj   +1 more source

Exploring Silicon Nanophotonics in Throughput Architecture

IEEE Design & Test, 2014
In high-performance throughput processors, the interconnect experiences power and energy bottlenecks due to massive parallelism and ever-increasing memory accesses in emerging workloads. Also, high-performance throughput processors have exposed bandwidth and latency bottlenecks in on-chip interconnect and off-chip memory access.
Nilanjan Goswami, Zhongqi Li, Ramkumar Shankar, Tao Li 0006   +3 more
openaire   +1 more source

A silicon-on-insulator slab for topological valley transport

Nature Communications, 2019
Backscattering is one of the major factors that limit the performance of integrated nanophotonics. Here, He et al. realize topologically protected, robust and unidirectional coupling as well as optical transport on a silicon-on-insulator platform by ...
Xin-Tao He, En-Tao Liang, Jia-Jun Yuan, Hao-Yang Qiu, Xiao-Dong Chen, Fu-Li Zhao, Jian-Wen Dong   +6 more
doaj   +1 more source

Accurate Chromatic Dispersion Characterization of Photonic Integrated Circuits

IEEE Photonics Journal, 2012
An accurate technique to characterize chromatic dispersion and its slope versus wavelength is reported. The method is based on a heterodyne Mach-Zehnder interferometer, which is immune to thermal phase noise by using a counterpropagating reference beam ...
S. Mas, J. Matres, J. Marti, C. J. Oton
doaj   +1 more source

Optical Forces in Silicon Nanophotonics and Optomechanical Systems: Science and Applications

Advanced Devices & Instrumentation, 2020
Light-matter interactions have been explored for more than 40 years to achieve physical modulation of nanostructures or the manipulation of nanoparticle/biomolecule.
Lip Ket Chin, Yuzhi Shi, Ai-Qun Liu
doaj   +1 more source

Design and Measurement of Ring-Gate Single Photon Avalanche Diode With Low Dark Count Rate

IEEE Photonics Journal, 2020
Single photon avalanche diodes (SPAD) based on avalanche effect have been widely used in the detection of extremely weak light signals. Conventional SPAD devices manufactured with silicon-based CMOS technology have a high dark count rate (DCR), making it
Yang Wang, Xiangliang Jin, Shengguo Cao, Yan Peng, Jun Luo   +4 more
doaj   +1 more source

Sunlight-thin nanophotonic monocrystalline silicon solar cells

, 2017
Introducing nanophotonics into photovoltaics sets the path for scaling down the surface texture of crystalline-silicon solar cells from the micro-to the nanoscale, allowing to further boost the photon absorption while reducing silicon material loss ...
Alexandre Dmitriev, Inès Massiot, Wanghua Chen, Poortmans, J.,, Depauw, V., Roca i Cabarrocas, Pere, Dmitriev, Alexander,, Massiot, Ines, Trompoukis, C.,, Trompoukis, Christos, Roca i Cabaroccas, Pere, Gordon, I., Depauw, Valerie, Cabarrocas, P. R. I.,, Gordon, I.,, Pere Roca i Cabarrocas, Chen, Wanghua, Jef Poortmans, Poortmans, Jef, Depauw, V.,, Gordon, Ivan, Chen, W. H.,, Poortmans, J., Chen, W. H., Dmitriev, Alexander, Massiot, Ines,, Trompoukis, C., Cabarrocas, P. R. I., Dmitriev, Alexandre, Valérie Depauw, Ivan Gordon, Christos Trompoukis   +31 more
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Analytical model for calculating the nonlinear distortion in silicon-based electro-optic Mach-Zehnder modulators [PDF]

, 2013
In this study, an analytical model for calculating the nonlinear harmonic/intermodulation distortion for RF signals in silicon-based electro-optic modulators is investigated by considering the nonlinearity on the effective index change curve with the ...
Herrera Llorente, Javier, Gardes, Frederic Y., Brimont, Antoine, Reed, Graham T., Brimont, Antoine Christian Jacques, Gutiérrez, A.M., Fedeli, J-M., Aamer, Mariam, Herrera, Javier, Sanchis, Pablo, Gutiérrez Campo, Ana María, Thomson, Dave J., Fedeli, Jean-Marc, Sanchis Kilders, Pablo   +13 more
core   +1 more source