Results 91 to 100 of about 2,863,831 (279)
Toward Chromoselective Transformations in Biological Systems: Perspectives and Challenges
Angewandte Chemie International Edition, EarlyView.Controlling biological systems with small‐molecule chromophores has evolved into a powerful strategy and is applied from chemical biology to medicine. However, the complexity of in vivo systems cannot be matched by a single wavelength of light. Developing methods to combine and individually control multiple chromophores is crucial.
Nadja A. Simeth
wiley +1 more source
, 2005 Many dissipative optical systems support patterns. Dissipative solitons are generally found where a pattern coexists with a stable unpatterned state. We consider such phenomena in driven optical cavities containing a nonlinear medium (cavity solitons ...
Firth, William, Ackemann, Thorsten
core
Study of optical bistability in a fully optimized laser Fabry-Perot system
Iraqi Journal of Physics, 2019 The analytical study of optical bistability is concerned in a fully optimized laser Fabry-Perot system. The related phenomena of switching dynamics and optimization procedure are also included.
Ali H. Khidhir
doaj +1 more source
A Reversible 900 nm Near‐Infrared Photoswitch for Invisibly Writable 2D and 3D Displays
Angewandte Chemie International Edition, EarlyView.The peri‐benzo[a]fluoranthenethioindigo (PBFT) photoswitch enables direct excitation with near‐infrared light up to 900 nm wavelengths. It delivers a high‐performance property profile including high‐contrast color changes between bright green and deep blue.
Elias Ciekalski, Henry Dube
wiley +1 more source
Controlling the optical bistability via interacting dark-state resonances
, 2010 We analyze the behavior of optical bistability in a four-level mercury atomic system driven by a cavity and two external coherent fields by means of a unidirectional ring cavity. We find that without interacting dark resonances and for large intensity of
M. Sahrai, M. Mahmoudi, S. M. Mousavi
core +1 more source
Impedance Spectroscopy of Bifurcation Oscillations in S‐Type Self‐Oscillatory Devices
Advanced Physics Research, EarlyView.Impedance spectroscopy (IS) reveals stability regimes and bifurcation dynamics in S‐type self‐oscillatory devices. By linking nonlinear control theory with frequency‐domain measurements, experimental signatures of oscillations, entrainment, and phase locking are directly identified.
Gonzalo Rivera‐Sierra +5 more
wiley +1 more source
Effect of Tunable Dielectric Core on Optical Bistability in Cylindrical Core–Shell Nanocomposites
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
doaj +1 more source
Thermally Bistable Stiff Stilbene Photoswitches and Polymer Applications. [PDF]
Chem RecThermally stable photoswitches offer new opportunities for controlling polymer structures and functions under nonequilibrium conditions. This Personal Account highlights stiff stilbene (SS) and sterically hindered stiff stilbene (HSS) photoswitches, which combine large structural changes with exceptional thermal bistability.
Imato K.
europepmc +2 more sources
Bistability and boundary crisis in a semiconductor laser with phase-conjugate feedback
, 2002 We present a detailed study of a route to chaos via quasiperiodicity on a torus in a semiconductor laser with phase-conjugate feedback. Highlighting the use of new tools that go far beyond mere simulation, we compute bifurcation diagrams and unstable ...
Green, K +2 more
core
Guiding and Manipulating Light Fields in Microstructured Liquid Crystals
Advanced Physics Research, EarlyView.This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang +2 more
wiley +1 more source