Mikael Käll

2024

Synchronization of optically self-assembled nanorotors

2024

Nanoalignment by critical Casimir torques

Rotary metaswimmers powered by linearly polarized light

2023

Tunable critical Casimir forces counteract Casimir–Lifshitz attraction

2023

Directional Control of Transient Flows Generated by Thermoplasmonic Bubble Nucleation

2023

High-angle deflection of metagrating-integrated laser emission for high-contrast microscopy

2023

Roadmap for optical tweezers

2022

Deep learning in light-matter interactions

Strongly Deflecting Cylindrical Metalenses for Ultra-Compact Spectroscopy

Phase-gradient metalens for optical confinement and transport of microparticles

2022

Label-free nanofluidic scattering microscopy of size and mass of single diffusing molecules and nanoparticles

Light-driven transport of microparticles with phase-gradient metasurfaces

Metasurfaces for Divergent Beams and Large-Area Metasurfaces

Microscopic metavehicles powered and steered by embedded optical metasurfaces

Non-equilibrium properties of an active nanoparticle in a harmonic potential

Metasurface Optical Characterization Using Quadriwave Lateral Shearing Interferometry

2021

Aberration-corrected large-scale hybrid metalenses

2021

Nanoplasmonic−nanofluidic single-molecule biosensors for ultrasmall sample volumes

2021

Non-equilibrium properties of an active nanoparticle in a harmonic potential

Dynamics of an active Nanoparticle in an optical trap

2020

Circular dichroism mode splitting and bounds to its enhancement with cavity-plasmon-polaritons

2020

Full optical characterization of single nanoparticles using quantitative phase imaging

Optical Tweezing and Photothermal Properties of Resonant Dielectric and Metallic Nanospheres

2020

Strong Transient Flows Generated by Thermoplasmonic Bubble Nucleation

2020

Selective surface-enhanced Raman scattering detection of Tabun, VX and Cyclosarin nerve agents using 4-pyridine amide oxime functionalized gold nanopillars

Nanoscale Inorganic Motors Driven by Light: Principles, Realizations, and Opportunities

2020

Present and Future of Surface-Enhanced Raman Scattering

2020

Optical material anisotropy in high-index transition metal dichalcogenide Mie nanoresonators

2020

Large-Scale Metasurfaces Made by an Exposed Resist

Lens aberration correction using large scale metasurfaces

2020

Protein kinase A controls yeast growth in visible light

2020

Optical Rotation and Thermometry of Laser Tweezed Silicon Nanorods

Fabrication of Monodisperse Colloids of Resonant Spherical Silicon Nanoparticles: Applications in Optical Trapping and Printing

Transition metal dichalcogenide nanodisks as high-index dielectric Mie nanoresonators

Beam displacement due to thermal blooming in optical tweezers

Optical forces and the first Kerker condition

Electromagnetic Energy Distribution in Resonant Quasi Porous Silicon Nanostructures

Computational modelling of metasurfaces for strongly divergent beams

2019

A Gaussian reflective metasurface for advanced wavefront manipulation

Hybrid plasmonic-semiconducting fractal metamaterials for superior sensing of volatile compounds

Functional all-dielectric nanophotonic: from colloidal syntesis to transition metal dichalcogenides nanoantennas

Plasmonic versus All-Dielectric Nanoantennas for Refractometric Sensing: A Direct Comparison

Surface Interactions of Gold Nanoparticles Optically Trapped against an Interface

Ultrafast Modulation of Thermoplasmonic Nanobubbles in Water

2019

Solar harvesting based on perfect absorbing all-dielectric nanoresonators on a mirror

2018

Quantum description and emergence of nonlinearities in strongly coupled single-emitter nanoantenna systems

Large-Scale Fabrication of Shaped High Index Dielectric Nanoparticles on a Substrate and in Solution

Photothermal DNA Release from Laser-Tweezed Individual Gold Nanomotors Driven by Photon Angular Momentum

Construction and operation of a light-driven gold nanorod rotary motor system

Antenna-Enhanced Fluorescence Correlation Spectroscopy Resolves Calcium-Mediated Lipid-Lipid Interactions

Light-Driven Rotation of Plasmonic Nanomotors

Photothermal Heating of Plasmonic Nanoantennas: Influence on Trapped Particle Dynamics and Colloid Distribution

2018

Directional scattering and multipolar contributions to optical forces on silicon nanoparticles in focused laser beams

Nanostructured Dielectric Fractals on Resonant Plasmonic Metasurfaces for Selective and Sensitive Optical Sensing of Volatile Compounds

2018

High index dielectric metasurfaces and colloidal solutions: From fabrication to application

2018

Optically controlled stochastic jumps of individual gold nanorod rotary motors

Anapole-Enhanced Intrinsic Raman Scattering from Silicon Nanodisks

Counter-Propagating Optical Trapping of Resonant Nanoparticles Using a Uniaxial Crystal

Antibody−antigen interaction dynamics revealed by analysis of single-molecule equilibrium fluctuations on individual plasmonic nanoparticle biosensors

2017

FRET enhancement close to gold nanoparticles positioned in DNA origami constructs

2017

Brownian fluctuations of an optically rotated nanorod

Probing Photothermal Effects on Optically Trapped Gold Nanorods by Simultaneous Plasmon Spectroscopy and Brownian Dynamics Analysis

Metasurfaces and Colloidal Suspensions Composed of 3D Chiral Si Nanoresonators

Thin-film amorphous silicon nanopillar solar cells: An investigation of the optical potential

2017

Light-sensing via hydrogen peroxide and a peroxiredoxin

2017

Superior LSPR substrates based on electromagnetic decoupling for on-a-chip high-throughput label-free biosensing

Multidimensional Hybridization of Dark Surface Plasmons

Wavevector-Selective Nonlinear Plasmonic Metasurfaces

Large-Scale Silicon Nanophotonic Metasurfaces with Polarization Independent Near-Perfect Absorption

Nanostructured surface plasmon resonance sensors

2016

A Multiscale Approach to Modeling Plasmonic Nanorod Biosensors

2016

Sensing (un)binding events via surface plasmons: Effects of resonator geometry

Continuous-Gradient Plasmonic Nanostructures Fabricated by Evaporation on a Partially Exposed Rotating Substrate

Gold nanorod rotary motors for ultra-sensitive DNA detection

Directional Light Extinction and Emission in a Metasurface of Tilted Plasmonic Nanopillars

Metasurfaces: Continuous-Gradient Plasmonic Nanostructures Fabricated by Evaporation on a Partially Exposed Rotating Substrate (Adv. Mater. 23/2016)

Evaluating Conditions for Strong Coupling between Nanoparticle Plasmons and Organic Dyes Using Scattering and Absorption Spectroscopy

2016

Detection of nerve gases using surface-enhanced Raman scattering substrates with high droplet adhesion

Hot Electron Generation and Cathodoluminescence Nanoscopy of Chiral Split Ring Resonators

Fabrication of Continuous Gradient Plasmonic Nanostructures

Polarization conversion-based molecular sensing using anisotropic plasmonic metasurfaces

2015

Laser Trapping of Colloidal Metal Nanoparticles

2015

Dimer-on-mirror SERS substrates with attogram sensitivity fabricated by colloidal lithography

Ultimate Limit of Light Extinction by Nanophotonic Structures

Plasmon Enhanced Internal Photoemission in Antenna-Spacer-Mirror Based Au/TiO2 Nanostructures

Optical Magnetism and Plasmonic Fano Resonances in Metal Insulator-Metal Oligomers

2015

Near-Complete Photon Spin Selectivity in a Metasurface of Anisotropic Plasmonic Antennas

Interactions of Bacterial Lipopolysaccharides with Gold Nanorod Surfaces Investigated by Refractometric Sensing

2015

Schottky barrier formation and band bending revealed by first- principles calculations

Gold Nanorod Rotary Motors Driven by Resonant Light Scattering

2015

Realizing Strong Light-Matter Interactions between Single-Nanoparticle Plasmons and Molecular Excitons at Ambient Conditions

Explosive and chemical threat detection by surface-enhanced Raman scattering: A review

2014

Plasmonic particles set into fast orbital motion by an optical vortex beam WARI SC, 1992, JOURNAL OF MODERN OPTICS, V39, P1097

A Thermal Plasmonic Sensor Platform: Resistive Heating of Nanohole Arrays

Directional Nanoplasmonic Antennas for Self-Referenced Refractometric Molecular Analysis

Macroscopic Layers of Chiral Plasmonic Nanoparticle Oligomers from Colloidal Lithography

2014

Refractometric biosensing based on optical phase flips in sparse and short-range-ordered nanoplasmonic layers

Quasi-isotropic Surface Plasmon Polariton Generation through Near-Field Coupling to a Penrose Pattern of Silver Nanoparticles

Nanogaps for SERS applications

2013

Approaching the strong coupling limit in single plasmonic nanorods interacting with J-aggregates

Ultrafast Spinning of Gold Nanoparticles in Water Using Circularly Polarized Light

2013

The Yeast Transcription Factor Crz1 Is Activated by Light in a Ca2+/Calcineurin-Dependent and PKA-Independent Manner

Mutually synchronized bottom-up multi-nanocontact spin-torque oscillators

Plasmon enhanced ELISA on large arrays of single particles prepared by electron beam lithography

Crz1 is activated by blue light in a Ca2+/calcineurin-dependent and PKA-independent manner

Toward Plasmonic Biosensors Functionalized by a Photoinduced Surface Reaction

Complete Light Annihilation in an Ultrathin Layer of Gold Nanoparticles

Plasmon-Enhanced Enzyme-Linked Immunosorbent Assay on Large Arrays of Individual Particles Made by Electron Beam Lithography

Plasmonic nanoantennas for SERS, directional light, sensing and strong coupling

Laser manipulation of plasmonic nanoparticles for SERS and sensing

Directional Scattering and Hydrogen Sensing by Bimetallic Pd-Au Nanoantennas

Diffraction from Arrays of Plasmonic Nanoparticles with Short-Range Lateral Order

2012

Simulating light scattering from supported plasmonic nanowires

Plasmic sensors

Optical tweezers for Raman spectroscopy

2012

Fano interference in supported gold nanosandwiches with weakly coupled nanodisks

Plasmonic nanosensors: Inverse sensitivity

2012

A combination of concave/convex surfaces for field-enhancement optimization: the indented nanocone

Biosensors: One molecule at a time

2012

A simple model for the resonance shift of localized plasmons due to dielectric particle adhesion

Fano Interference between Localized Plasmons and Interface Reflections

2011

A bimetallic nanoantenna for directional colour routing

Plasmon-Enhanced Colorimetric ELISA with Single Molecule Sensitivity

2011

Cascaded logic gates in nanophotonic plasmon networks

Unidirectional Broadband Light Emission from Supported Plasmonic Nanowires

Plasmon Hybridization Reveals the Interaction between Individual Colloidal Gold Nanoparticles Confined in an Optical Potential Well

2011

Optical response of supported gold nanodisks

2011

Symmetry-dependent screening of surface plasmons in ultrathin supported films: The case of Al/Si(111)

Continuous light exposure causes cumulative stress that affects the localization oscillation dynamics of the transcription factor Msn2p.

Metal nanoparticles amplify photodynamic effect on skin cells in vitro

2011

Mode-specific directional emission from hybridized particle-on-a-film plasmons

Angular Distribution of Surface-Enhanced Raman Scattering from Individual Au Nanoparticle Aggregates

Localized vs. propagating surface plasmon biosensing

Optical manipulation of plasmonic nanoparticles using laser tweezers

Hole mask colloidal lithography on magnetic multilayers for spin torque applications

Alignment, Rotation, and Spinning of Single Plasmonic Nanoparticles and Nanowires Using Polarization Dependent Optical Forces

2010

Coloring fluorescence emission with silver nanowires

Sulfate assimilation mediates tellurite reduction and toxicity in Saccharomyces cerevisiae

Optical Forces in Plasmonic Nanoparticle Dimers

2009

Intrinsic Fano Interference of Localized Plasmons in Pd Nanoparticles

Investigations on light-induced stress in fluorescence microscopy using nuclear localization of the transcription factor Msn2p as a reporter

Refractometric Sensing Using Propagating versus Localized Surface Plasmons: A Direct Comparison

Electron-lattice interactions in the perovskite LaFe0.5Cr0.5O3 characterized by optical spectroscopy and LDA+U calculations

Sensitivity enhancement of nanoplasmonic sensors on low refractive index substrates

Resonant optical absorption in graphite nanostructures

High-resolution microspectroscopy pf plasmonic nanostructures for miniaturized biosensing

Unidirectional ultracompact optical nanoantennas

Optical aggregation of metal nanoparticles in a microfluid channel for surface-enhanced Raman scattering analysis

Ultrahigh sensitivity made simple: nanoplasmonic label-free biosensing with an extremely low limit-of-detection for bacterial and cancer diagnostics

Photochemical tuning of plasmon resonances in single gold nanoparticles

Optical forces on interacting plasmonic nanoparticles in a focused Gaussian beam

Shape efffects in the localized surface plasmon resonance of single nanoholes in thin metal films

The sodium pump Ena1p provides mechanistic insight into the salt sensitivity of vacuolar protein sorting mutants

Image analysis algorithms for cell contour recognition in budding yeast

A SYSTEM AND METHOD FOR DETECTING THE PRESENCE AND/OR ABSENCE OF CHEMICAL OR BIOLOGICAL SUBSTANCES

Green's tensor calculations of plasmon resonances of single holes and hole pairs in thin gold films

Electron-phonon interactions in perovskites containing Fe and Cr studied by Raman scattering using oxygen-isotope and cation substitution

Plasmonic Au/Co/Au nanosandwiches with enhanced magneto-optical activity

Plasmonic properties of silver trimers with trigonal symmetry fabricated by electron-beam lithography

Enhanced nanoplasmonic optical sensors with reduced substrate effect

Structural asymmetry and induced optical magnetism in plasmonic nanosandwiches

Optically controlled interparticle distance tuning and welding of single gold nanoparticle pairs by photochemical metal deposition

Optical antennas based on coupled nanoholes in thin metal films

Franck-Condon higher order lattice excitations in the LaFe(1-x)Cr(x)O3 (x=0, 0.1, 0.5, 0.9, 1.0) perovskites due to Fe-Cr charge transfer effects

Nanohole plasmons in optically thin gold films

Top-down extended meshing algorithm and its applications to Green's tensor nano-optics calculations

Nanometric control of the distance between plasmonic nanoparticles using optical forces

Gold-silica-gold nanosandwiches: tunable bimodal plasmonic resonators

Long-range refractive index sensing using plasmonic nanostructures

Sensing Characteristics of NIR Localized Surface Plasmon Resonances in Gold Nanorings for Application as Ultrasensitive Biosensors

Resonant two-phonon Raman scattering as a probe of hole crystal formation in Sr14?xCaxCu24O41

Photo-induced transformations in 2,2:5,2-terthiophene thin films on silver

Photoinduced nanodots and pinning effects in Bi2Sr2CaCu2O8+x

Magnetic-field enhancement in gold nanosandwiches

Estimating SERS properties of silver-particle aggregates through generalized Mie theory

2006

Resonant coupling between localized plasmons and anisotropic molecular coatings in ellipsoidal metal nanoparticles

On the importance of optical forces in surface-enhanced Raman scattering

Raman Spectroscopic Studies of Terthiophenes for Molecular Electronics

Creating hot nanoparticle pairs for surface-enhanced Raman spectroscopy through optical manipulation

Photoinduced nanodots in Bi2Sr2CaCu2O8+x

Field-enhancement and molecular response in surface-enhanced Raman and fluorescence spectroscopy

Controlling plasmon line shapes through diffractive coupling in linear arrays of cylindrical nanoparticles fabricated by electron beam lithography

Microstructural changes in gold nanoparticles upon pulsed laser irradiation

In situ resonant Raman scattering and reversible photoinduced structural change in YBa2Cu3O6+x

Plasmonic Sensing Characteristics o f Single Nanometric Holes

Localized surface plasmon sensing of lipid-membrane-mediated biorecognition events

Order-disorder-order phase transitions in the pyrochlore superconductor Cd2Re2O7

Plasmons in the metallic nanoparticle-film system as a tunable impurity problem

Confined Plasmons in Nanofabricated Single Silver Particle Pairs: Experimental Observations of Strog Interparticle Interactions

A microfluidic system enabling Raman measurements of the oxygenation cycle in single optically trapped red blood cells

Surface-enhanced Raman scattering and fluorescence near metal surfaces

Direct Observation of Heterogeneous Photochemistry on Aggregated Ag Nanocrystals Using Raman Spectroscopy: The Case of Photoinduced Degradation of Aromatic Amino Acids

Light scattering in gold nanorings

Optical Spectroscopy of Nanometric Holes in Thin Gold Films

Resonance Raman study of the oxygenation cycle of optically trapped singel red blood cells in a microfluidic system

Phase control in high-temprature superconductors

Resonance Raman spectroscopy of optically trapped functional erythrocytes

Optical spectroscopy of single trapped metal nanoparticles in solution

Multivariate evaluation of doxorubicin surface-enhanced Raman spectra.

Feasibility of quantitative determination of doxorubicin with surface-enhanced Raman spectroscopy

Raman Scattering Studies of High-Tc Superconductors

Raman scattering investigations of phonons in ceramic high-T superconductors