High-energy terahertz surface optical rectification
Sign Up to like & getrecommendations! Published in 2018 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.01.027
Abstract: Abstract The interest in surface terahertz emitters lies in their extremely thin active region, typically hundreds of atomic layers, and the agile surface scalability. The ultimate limit in the achievable emission is determined by the… read more here.
Keywords: high energy; surface optical; optical rectification; energy ... See more keywords
Electric field effects on nonlinear optical rectification in symmetric coupled AlxGa1−xAs/GaAs quantum wells
Sign Up to like & getrecommendations! Published in 2018 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2018.07.026
Abstract: Abstract Nonlinear optical rectification in symmetric coupled AlxGa1−xAs/GaAs quantum wells with external electric field is investigated using numerical method and compact density matrix approach. Our results reveal that for the resonant peaks of optical rectification,… read more here.
Keywords: nonlinear optical; rectification symmetric; optical rectification; electric field ... See more keywords
Dynamic optical rectification and delivery of active particles.
Sign Up to like & getrecommendations! Published in 2019 at "Soft matter"
DOI: 10.1039/c9sm00799g
Abstract: We use moving light patterns to control the motion of Escherichia coli bacteria whose motility is photo-activated. Varying the pattern speed controls the magnitude and direction of the bacterial flux, and therefore the accumulation of… read more here.
Keywords: rectification delivery; delivery active; active particles; dynamic optical ... See more keywords
Nonlinear optical rectification and optical bistability in a coupled asymmetric quantum dot-metal nanoparticle hybrid
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5045207
Abstract: We study the optical response of a coupled asymmetric semiconductor quantum dot-spherical metal nanoparticle structure. The asymmetric quantum dot has permanent electric dipole moments that also interact with light. We derive the density matrix equations… read more here.
Keywords: optical bistability; metal nanoparticle; optical rectification; quantum dot ... See more keywords
Parametric optical rectification due to the near-field interaction between nanosized metallic domains.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.476346
Abstract: In this paper, we study parametric optical rectification that is not due to material properties but emerges from the electrostatic near-field interaction between nanosized metallic domains. The ability to demonstrate this effect comes from samples… read more here.
Keywords: interaction; rectification; near field; optical rectification ... See more keywords
AM-to-PM conversion in a resonant microwave optical rectification detector.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.000263
Abstract: A LiNbO3-loaded microwave cavity pumped with weakly AM-modulated 30 fs optical pulses was used as a platform to investigate AM-to-PM conversion in the optical rectification process. Theoretical treatment of AM-to-PM conversion (i.e., peak-induced electrical phase… read more here.
Keywords: rectification detector; optical power; optical rectification; conversion ... See more keywords
Scalable terahertz generation by large-area optical rectification at 80 TW laser power.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.005634
Abstract: We demonstrate high-energy terahertz generation from a large-aperture (75-mm diameter) lithium niobate wafer by using a femtosecond laser with energy up to 2 J. This scheme utilizes optical rectification in a bulk lithium niobate crystal,… read more here.
Keywords: terahertz; laser; terahertz generation; optical rectification ... See more keywords