Broadband Generation of Airy Beams with Hyperbolic Metamaterials
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201900493
Abstract: DOI: 10.1002/adom.201900493 the generation of Airy beams, it is highly desirable to locally control the amplitude and phase of the output beam simultaneously so as to satisfy the polynary amplitude and binary phase distributions. Traditional… read more here.
Keywords: airy beam; airy; amplitude phase; airy beams ... See more keywords
Tailoring Circular Dichroism for Simultaneous Control of Amplitude and Phase via Ohmic Dissipation Metasurface
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100140
Abstract: Circular dichroism, as one of the exotic phenomena, derives from chirality biomolecules in nature, expressing differential absorption of spin angular momentum. The concept of dichroism has been migrated to the field of artificial materials and… read more here.
Keywords: simultaneous control; dichroism; circular dichroism; amplitude phase ... See more keywords
Electro-optical Amplitude and Phase Modulators Based on Tunable Guided-Mode Resonance Effect
Sign Up to like & getrecommendations! Published in 2019 at "ACS Photonics"
DOI: 10.1021/acsphotonics.9b00950
Abstract: Here, electrically tunable amplitude and phase modulators are designed by the hybridization of indium tin oxide (ITO) into a guided-mode resonance mirror (so-called GMRM) which consists of a high-index silicon (Si) nanograting placed on top… read more here.
Keywords: mode resonance; phase modulators; amplitude phase; guided mode ... See more keywords
Wavelet compression of off-axis digital holograms using real/imaginary and amplitude/phase parts
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-44119-0
Abstract: Compression of digital holograms allows one to store, transmit, and reconstruct large sets of holographic data. There are many digital image compression methods, and usually wavelets are used for this task. However, many significant specialties… read more here.
Keywords: compression; axis digital; digital holograms; wavelet compression ... See more keywords
The Relationship between Psychoacoustic and Electrophysiological Assessments of Temporal Resolution.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Academy of Audiology"
DOI: 10.1055/s-0041-1722983
Abstract: BACKGROUND Temporal resolution is essential to speech acoustic perception. However, it may alter in individuals with auditory disorders, impairing the development of spoken and written language. The envelope of speech signals contains amplitude modulation (AM)… read more here.
Keywords: mdt; modulation; temporal resolution; psychoacoustic electrophysiological ... See more keywords
Acoustic energy transport characteristics based on amplitude and phase modulation using waveguide array
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0022441
Abstract: To realize the multi-functional manipulation of the acoustic field with a simple artificial structure, a waveguide array based on resonant units was proposed in this work. Based on the transmission spectrum and zero-like refractive index… read more here.
Keywords: array; phase modulation; amplitude phase; waveguide array ... See more keywords
Arbitrary power allocation for multiple beams using amplitude- and phase-coded metasurfaces
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abdb0c
Abstract: Digital-coding metasurfaces provide a convenient method for designing metasurface-based functional devices. By delicately arranging the coding sequences, electromagnetic fields on the metasurfaces can be modulated for applications like wave-front engineering, amplitude controlling and polarization conversion.… read more here.
Keywords: multiple beams; digital coding; amplitude phase; physics ... See more keywords
Novel Ringdown Amplitude-Phase Consistency Test.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.021001
Abstract: The ringdown signal emitted during a binary black hole coalescence can be modeled as a linear superposition of the characteristic damped modes of the remnant black hole that get excited during the merger phase. While… read more here.
Keywords: consistency; phase consistency; phase; amplitude phase ... See more keywords
An X-Band High-Accuracy GaAs Multifunction Chip With Amplitude and Phase Control
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2022.3233136
Abstract: This paper presents a high-accuracy multifunction chip (MFC) with amplitude and phase control in X-band. The MFC is designed with a common leg structure and incorporates a 6-bit attenuator (ATT), a 6-bit phase shifter (PS),… read more here.
Keywords: control; multifunction chip; high accuracy; phase ... See more keywords
Mutual Conversion of Amplitude and Phase Noises in Delay-Line Optoelectronic Oscillators With All-Optical Gain
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3068205
Abstract: In the paper, various noise sources in delay-line optoelectronic oscillators (OEOs) with all-optical gain are analyzed. It is shown that mutual conversion of amplitude and phase noises occurs in OEO due to its non-linear time-variant… read more here.
Keywords: delay line; line optoelectronic; amplitude phase; phase ... See more keywords
The Effect of Bias and Frequency on Amplitude to Phase Conversion of Photodiodes
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2020.3013836
Abstract: Fluctuation of the optical power incident on a photodiode will cause phase variation of the electrical signal. This phenomenon is known as amplitude-to-phase (AM-to-PM) conversion. The effects of bias voltage and test frequency on AM-to-PM… read more here.
Keywords: amplitude phase; conversion; frequency; phase variation ... See more keywords