Large Optical Modulation of Dielectric Huygens’ Metasurface Absorber
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Optical Materials"
DOI: 10.1002/adom.202300102
Abstract: High‐index nanostructures are found to exhibit large nonlinearity of spectral responses under photoexcitation, which is applicable to all‐optical modulation. The nonlinearity stems from Mie‐type resonance shift due to photoinduced variation of refractive index. Here, amorphous… read more here.
Keywords: optical modulation; modulation; huygens metasurface; metasurface absorber ... See more keywords
Optical modulation characteristics of graphene supercapacitors at oblique incidence in visible-infrared region
Sign Up to like & getrecommendations! Published in 2017 at "Solid-state Electronics"
DOI: 10.1016/j.sse.2017.01.014
Abstract: Abstract Multi-angle modulation properties of electrolyte gated graphene visible-infrared modulators with supercapacitor structures have been examined in both experiment and theory. Both transmission and reflection geometries have been studied, and the results show that all… read more here.
Keywords: optical modulation; modulation; gate voltage; infrared region ... See more keywords
Azobenzene-Avermectin B1a Derivatives for Optical Modulation of Insect Behaviors.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.1c05036
Abstract: Naturally occurring avermectins are allosteric modulators of glutamate-gated chloride channels (GluCls) and possess exceptionally potent anthelmintic, acaricidal, and insecticidal activities. Here, we develop photoswitchable azobenzene-avermectin (ABAVM) derivatives, which can be photoactivated upon ultraviolet irradiation. After… read more here.
Keywords: optical modulation; azobenzene avermectin; avermectin b1a; ab4 avm ... See more keywords
Dual-Band Electrochromic Optical Modulation Improved by a Precise Control of Lithium Content in Li4+xTi5O12.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c16654
Abstract: Dual-band electrochromic smart windows that can dynamically and independently control incident solar irradiation and visible light are envisioned as intelligent technology to reduce power consumption of buildings. However, there is still a great challenge to… read more here.
Keywords: improved precise; dual band; optical modulation; band electrochromic ... See more keywords
Exciton Polarization and Renormalization Effect for Optical Modulation in Monolayer Semiconductors.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.9b03563
Abstract: The ideal quantum confinement structure of monolayer semiconductors offers prominent optical modulation capabilities that are mediated by enhanced many-body interactions. Herein, we establish an electrolyte-gating method for tuning the luminescence properties that are in transition… read more here.
Keywords: optical modulation; modulation; effect; monolayer semiconductors ... See more keywords
Controllable optical modulation of blue/green up-conversion fluorescence from Tm3+ (Er3+) single-doped glass ceramics upon two-step excitation of two-wavelengths
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep45650
Abstract: Optical modulation is a crucial operation in photonics for network data processing with the aim to overcome information bottleneck in terms of speed, energy consumption, dispersion and cross-talking from conventional electronic interconnection approach. However, due… read more here.
Keywords: optical modulation; modulation; glass ceramics; conversion fluorescence ... See more keywords
A layer-stacked NiO nanowire/nanosheet homostructure for electrochromic smart windows with ultra-large optical modulation.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr01211e
Abstract: The structural engineering of active materials at the nanoscale level is crucial to improving the performance of electrochromic devices. However, an insufficient structural design inevitably results in limited electron/ion transportation and inadequate electrochromic performance. Herein,… read more here.
Keywords: homostructure; optical modulation; nanowire nanosheet; smart windows ... See more keywords
Ultrafast all-optical modulation in Fe-doped GaN at 1.31 and 1.55 μm with high contrast and ultralow power
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4980090
Abstract: We demonstrate the possibility of all-optical modulation at 1.31 and 1.55 μm optical communication wavelengths by interband pumping of Fe-doped GaN crystals using femtosecond pump-probe techniques. Considering the lower photon energy of near-infrared probe pulses, switching… read more here.
Keywords: optical modulation; modulation; contrast; doped gan ... See more keywords
A Temperature Controller IC for Maximizing Si Micro-Ring Modulator Optical Modulation Amplitude
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2889899
Abstract: We present a custom-designed integrated circuit (IC) implemented in 0.25-μm BiCMOS technology that can automatically control the Si micro-ring modulator (MRM) temperature for optimal modulation characteristics. The IC monitors the optical modulation amplitude (OMA) of… read more here.
Keywords: modulation amplitude; micro ring; modulation; ring modulator ... See more keywords
All-Optical Modulation Format Conversion Between OOK, QPSK, and 8QAM
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2918815
Abstract: Modulation format conversion is useful when the signal is transmitted through networks employing different modulation formats. It is also expected to increase the spectral efficiency and reduce power consumption in network nodes by applying all-optical… read more here.
Keywords: format conversion; conversion; modulation; modulation format ... See more keywords
RF Oscillators Based on Piezoelectrically Driven Optical Modulation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2018.2801243
Abstract: This paper investigates the use of piezoelectrically actuated acousto-optic modulators as a building block for generating electronic frequency references at radio frequencies (RFs). Similar to the concept of an optoelectronic oscillator, this approach leverages the… read more here.
Keywords: optical modulation; oscillators based; acousto optic; based piezoelectrically ... See more keywords