Broadband and Ultra-Low Threshold Optical Bistability in Guided-Mode Resonance Grating Nanostructures of Quasi-Bound States in the Continuum [PDF]
Nanomaterials, 2021 We model optical bistability in all-dielectric guide-mode resonance grating (GMR) nanostructures working at quasi-bound states in the continuum (BICs). The complementary metal-oxide-semiconductor (CMOS) compatible material silicon nitride (SiN) is used ...
Xin Li +8 more
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Microwatt Volatile Optical Bistability via Nanomechanical Nonlinearity [PDF]
Advanced Science, 2023 Metastable optically controlled devices (optical flip‐flops) are needed in data storage, signal processing, and displays. Although nonvolatile memory relying on phase transitions in chalcogenide glasses has been widely used for optical data storage ...
Dimitrios Papas +3 more
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Optical Bistability in a Tunable Gourd-Shaped Silicon Ring Resonator [PDF]
Nanomaterials, 2022 In this study, a tunable gourd-shaped ring resonator is demonstrated to generate optical bistability. The system consists of two sub-rings for a gourd shape configuration with a U-shaped wave guiding pathway.
Yishu Chen +7 more
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Terahertz Optical Bistability in the Metal Nanoparticles-Graphene Nanodisks-Quantum Dots Hybrid Systems [PDF]
Nanomaterials, 2020 We theoretically investigate the optical bistability in the metal nanoparticles-graphene nanodisks-quantum dots hybrid plasmonic system in the infrared regime of the electromagnetic radiation. The quantum dot is considered to be a three-level atomic-like
Mariam M. Tohari
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Tunable Optical Bistability in Asymmetric Dielectric Sandwich with Graphene [PDF]
NanomaterialsThis study theoretically investigates the nonlinear optical response of asymmetric dielectric structures embedded with graphene and demonstrates tunable optical bistability in the terahertz frequency range.
Qiawu Lin +4 more
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Intrinsic optical bistability via switching between saturable and reverse saturable absorption [PDF]
Scientific ReportsWe present a novel approach to achieving intrinsic optical bistability and multistability through the interplay between saturable and reverse saturable absorption. Our findings reveal that the stable points on the optical bistability curve align with the
Seyed Morteza Mousavi, Mohammad Mahmoudi
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Effective Control of the Optical Bistability of a Three-Level Quantum Emitter near a Nanostructured Plasmonic Metasurface [PDF]
Photonics, 2021 We study, theoretically, the phenomena optical bistability and multistability of a hybrid quantum-plasmonic system immersed within an optical ring cavity.
Hamid R. Hamedi +2 more
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Controllable Optical Bistability and Four-Wave Mixing in a Photonic-Molecule Optomechanics [PDF]
Nanoscale Research Letters, 2019 We theoretically investigate the nonlinear optical phenomena including optical bistability and four-wave mixing (FWM) process in a composite photonic-molecule cavity optomechanical system.
Hua-Jun Chen +5 more
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Enhanced optical bistability in slotted photonic crystal structure for microwave frequency generation [PDF]
Scientific ReportsThis study proposes a novel silicon nanocrystal SiNC/SiO $${}_{2}$$ embedded slotted photonic crystal nanocavity employing precise width modulation to explore optical bistability and self-pulsing behavior for microwave signal generation.
Akash Kumar Pradhan +3 more
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Effect of Tunable Dielectric Core on Optical Bistability in Cylindrical Core–Shell Nanocomposites [PDF]
Advances in Condensed Matter PhysicsIn this paper, the effect of a tunable dielectric core on local field enhancement, induced optical bistability, and the optical bistability domain in cylindrical core–shell nanoparticle composites are studied. The local field enhancement factor increases
Shewa Getachew
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