Timur Shegai

Professor at Nano and Biophysics

We are interested in plasmon-exciton interactions, strong coupling, surface-enhanced phenomena such as SERS and fluorescence, quantum and low temperature plasmonics, directional nanoantennas, plasmonic nanowires and various types of sensing. Our experimental work encompasses single-particle/single-molecule microscopy and spectroscopy, angle-resolved or so-called Fourier imaging, nanofabrication and electron microscopy.

Source: chalmers.se

Contact Details ORCID

Publications (65)
Projects (7)

Showing 65 publications

2024

Top-down nanostructured multilayer MoS2 with atomically sharp edges for electrochemical hydrogen evolution reaction

Aleksandr Poliakov, Serge Al Bacha, Waleed M.A. El Rouby et al

Materials Today Nano. Vol. 25

Journal article

Show project

2023

Unconventional saturation effects at intermediate drive in a lossy cavity coupled to few emitters

Therese Karmstrand, Benjamin Rousseaux, Anton Frisk Kockum et al

Physical Review A. Vol. 108 (5)

Journal article

2023

Tunable critical Casimir forces counteract Casimir–Lifshitz attraction

Falko Schmidt, Agnese Callegari, Abdallah Daddi-Moussa-Ider et al

Nature Physics. Vol. 19 (2), p. 271-278

Journal article

2023

Enhanced Second-Order Nonlinearities at Strained Ultrasharp Zigzag Edges in Multilayer MoS2

Adrián Dewambrechies, Andrey Polyakov, Betül Kücüköz et al

Journal of Physical Chemistry C. Vol. 127 (31), p. 15395-15405

Journal article

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2023

Perfect Absorption and Strong Coupling in Supported MoS2 Multilayers

Adriana Canales Ramos, Oleg Kotov, Timur Shegai

ACS Nano. Vol. 17 (4), p. 3401-3411

Journal article

2023

The Rise and Current Status of Polaritonic Photochemistry and Photophysics

Rahul Bhuyan, Jürgen Mony, Oleg Kotov et al

Chemical Reviews. Vol. 123 (18), p. 10877-10919

Review article

Show project

2023

Nanostructured Transition Metal Dichalcogenide Multilayers for Advanced Nanophotonics

Battulga Munkhbat, Betül Kücüköz, Denis Baranov et al

Laser and Photonics Reviews. Vol. 17 (1)

Journal article

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2023

Enhanced Second-Order Nonlinearities at Strained Ultrasharp Zigzag Edges in Multilayer MoS2

Adrián Dewambrechies, Aleksandr Poliakov, Betül Kücüköz et al

Journal of Physical Chemistry C. Vol. 127 (31), p. 15395-15405

Journal article

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2023

Polaritonic linewidth asymmetry in the strong and ultrastrong coupling regime

Adriana Canales Ramos, Therese Karmstrand, Denis Baranov et al

Nanophotonics. Vol. 12 (21), p. 4073-4086

Journal article

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2023

Probing optical anapoles with fast electron beams

Carlos Maciel-Escudero, Andrew Yankovich, Battulga Munkhbat et al

Nature Communications. Vol. 14 (1)

Journal article

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2022

Optical Constants of Several Multilayer Transition Metal Dichalcogenides Measured by Spectroscopic Ellipsometry in the 300-1700 nm Range: High Index, Anisotropy, and Hyperbolicity

Battulga Munkhbat, Piotr Wróbel, Tomasz Antosiewicz et al

ACS Photonics. Vol. 9 (7), p. 2398-2407

Journal article

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2022

Ultrastrong Coupling of a Single Molecule to a Plasmonic Nanocavity: A First-Principles Study

Mikael Juhani Kuisma, Benjamin Rousseaux, K. M. Czajkowski et al

ACS Photonics. Vol. 9, p. 1065-1077

Journal article

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2022

Polariton chemistry: Molecules in cavities and plasmonic media

Joel Yuen-Zhou, Wei Xiong, Timur Shegai

Journal of Chemical Physics. Vol. 156 (3)

Review article

2022

Boosting Second-Harmonic Generation in Monolayer Rhenium Disulfide by Reversible Laser Patterning

Betül Kücüköz, Battulga Munkhbat, Timur Shegai

ACS Photonics. Vol. 9 (2), p. 518-526

Journal article

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2021

Tunable self-assembled Casimir microcavities and polaritons

Battulga Munkhbat, Adriana Canales Ramos, Betül Kücüköz et al

Nature. Vol. 597 (7875), p. 214-219

Journal article

2021

Enhancing Vibrational Light-Matter Coupling Strength beyond the Molecular Concentration Limit Using Plasmonic Arrays

M. Hertzog, Battulga Munkhbat, Denis Baranov et al

Nano Letters. Vol. 21 (3), p. 1320-1326

Journal article

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2021

Giant optical anisotropy in transition metal dichalcogenides for next-generation photonics

G. A. Ermolaev, Grudinin, Stebunov et al

Nature Communications. Vol. 12 (1)

Journal article

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2021

Abundance of cavity-free polaritonic states in resonant materials and nanostructures

Adriana Canales Ramos, Denis Baranov, Tomasz Antosiewicz et al

Journal of Chemical Physics. Vol. 154 (2)

Journal article

2020

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

Denis Baranov, Battulga Munkhbat, Nils Odebo Länk et al

Nanophotonics. Vol. 9 (2), p. 283-293

Journal article

2020

Strong coupling as an interplay of quantum emitter hybridization with plasmonic dark and bright modes

Benjamin Rousseaux, Denis Baranov, Tomasz Antosiewicz et al

Physical Review Research. Vol. 2 (3)

Journal article

2020

Present and Future of Surface-Enhanced Raman Scattering

Judith Langer, Dorleta Jimenez De Aberasturi, Javier Aizpurua et al

ACS Nano. Vol. 14 (1), p. 28-117

Review article

2020

Ultrastrong coupling between nanoparticle plasmons and cavity photons at ambient conditions

Denis Baranov, Battulga Munkhbat, Elena Zhukova et al

Nature Communications. Vol. 11 (1)

Journal article

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2020

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

Thomas D Green, Denis Baranov, Battulga Munkhbat et al

Optica. Vol. 7 (6), p. 680-686

Journal article

2020

Electrical Control of Hybrid Monolayer Tungsten Disulfide-Plasmonic Nanoantenna Light-Matter States at Cryogenic and Room Temperatures

Battulga Munkhbat, Denis Baranov, Ankit Bisht et al

ACS Nano. Vol. 14 (1), p. 1196-1206

Journal article

2020

Room-Temperature Lasing from Mie-Resonant Nonplasmonic Nanoparticles

Ekaterina Tiguntseva, Kirill Koshelev, Aleksandra Furasova et al

ACS Nano. Vol. 14 (7), p. 8149-8156

Journal article

2020

Photophysical properties of halide perovskite CsPb(Br1-xIx)3 thin films and nanowires

D. I. Markina, Ekaterina Y. Tiguntseva, Anatoly P. Pushkarev et al

Journal of Luminescence. Vol. 220

Journal article

2020

Transition metal dichalcogenide metamaterials with atomic precision

Battulga Munkhbat, Andrew Yankovich, Denis Baranov et al

Nature Communications. Vol. 11 (1)

Journal article

2020

Broadband optical properties of monolayer and bulk MoS2

Georgy A. Ermolaev, Yury V. Stebunov, Andrey A. Vyshnevyy et al

npj 2D Materials and Applications. Vol. 4 (1)

Journal article

2019

Transition metal dichalcogenide nanodisks as high-index dielectric Mie nanoresonators

Ruggero Verre, Denis Baranov, Battulga Munkhbat et al

Nature Nanotechnology. Vol. 14 (7), p. 679-683

Journal article

2019

Correlative Dark-Field and Photoluminescence Spectroscopy of Individual Plasmon-Molecule Hybrid Nanostructures in a Strong Coupling Regime

Martin Wersäll, Battulga Munkhbat, Denis Baranov et al

ACS Photonics. Vol. 6 (10), p. 2570-2576

Journal article

2019

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

Ruggero Verre, Nils Odebo Länk, Denis Baranov et al

International Conference on Metamaterials, Photonic Crystals and Plasmonics, p. 1327-1328

Paper in proceeding

2019

Strong plasmon-molecule coupling at the nanoscale revealed by first-principles modeling

Tuomas Rossi, Timur Shegai, Paul Erhart et al

Nature Communications. Vol. 10 (1)

Journal article

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2019

Self-Hybridized Exciton-Polaritons in Multilayers of Transition Metal Dichalcogenides for Efficient Light Absorption

Battulga Munkhbat, Denis Baranov, Michael Stührenberg et al

ACS Photonics. Vol. 6 (1), p. 139-147

Journal article

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2019

Collective Strong Light-Matter Coupling in Hierarchical Microcavity-Plasmon-Exciton Systems

Ankit Bisht, Jorge Cuadra, Martin Wersäll et al

Nano Letters. Vol. 19 (1), p. 189-196

Journal article

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2019

Visualizing Spatial Variations of Plasmon-Exciton Polaritons at the Nanoscale Using Electron Microscopy

Andrew Yankovich, Battulga Munkhbat, Denis Baranov et al

Nano Letters. Vol. 19 (11), p. 8171-8181

Journal article

2018

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

Benjamin Rousseaux, Denis Baranov, Mikael Käll et al

Physical Review B. Vol. 98 (4)

Journal article

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2018

Strong Light-Matter Coupling between Plasmons in Individual Gold Bi-pyramids and Excitons in Mono- and Multilayer WSe2

Michael Stührenberg, Battulga Munkhbat, Denis Baranov et al

Nano Letters. Vol. 18 (9), p. 5938-5945

Journal article

2018

Novel Nanostructures and Materials for Strong Light-Matter Interactions

Denis Baranov, Martin Wersäll, Jorge Cuadra et al

ACS Photonics. Vol. 5 (1), p. 24-42

Review article

2018

Observation of Tunable Charged Exciton Polaritons in Hybrid Monolayer WS2-Plasmonic Nanoantenna System

Jorge Cuadra, Denis Baranov, Martin Wersäll et al

Nano Letters. Vol. 18 (3), p. 1777-1785

Journal article

2018

Suppression of photo-oxidation of organic chromophores by strong coupling to plasmonic nanoantennas

Battulga Munkhbat, Martin Wersäll, Denis Baranov et al

Science advances. Vol. 4 (7)

Journal article

2018

Tunable Hybrid Fano Resonances in Halide Perovskite Nanoparticles

Ekaterina Y. Tiguntseva, Denis Baranov, Anatoly P. Pushkarev et al

Nano Letters. Vol. 18 (9), p. 5522-5529

Journal article

2018

Molecule signatures in photoluminescence spectra of transition metal dichalcogenides

Maja Feierabend, Gunnar Berghäuser, Malte Selig et al

Physical Review Materials. Vol. 2 (1)

Journal article

2018

Strong Plasmon-Exciton Coupling with Directional Absorption Features in Optically Thin Hybrid Nanohole Metasurfaces

Evan S. H. Kang, Shangzhi Chen, Samim Sardar et al

ACS Photonics. Vol. 5 (10), p. 4046-4064

Journal article

2017

Coherent perfect absorbers: Linear control of light with light

Denis Baranov, A. E. Krasnok, Timur Shegai et al

Nature Reviews Materials. Vol. 2

Review article

2017

Observation of Mode Splitting in Photoluminescence of Individual Plasmonic Nanoparticles Strongly Coupled to Molecular Excitons

Martin Wersäll, Jorge Cuadra, Tomasz Antosiewicz et al

Nano Letters. Vol. 17 (1), p. 551-558

Journal article

2017

Hybrid dielectric waveguide spectroscopy of individual plasmonic nanoparticles

Jorge Cuadra, Ruggero Verre, Martin Wersäll et al

AIP Advances. Vol. 7 (7), p. Article no: 075207 -

Journal article

2016

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

Gülis Zengin, Tina Gschneidtner, Ruggero Verre et al

Journal of Physical Chemistry C. Vol. 120 (37), p. 20588-20596

Journal article

2016

Role of material loss and mode volume of plasmonic nanocavities for strong plasmon-exciton interactions

Zhong-Jian Yang, Tomasz Antosiewicz, Timur Shegai

Optics Express. Vol. 24 (18), p. 20373-20381

Journal article

2015

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

Aron Hakonen, Mikael Svedendahl, Robin Ogier et al

Nanoscale. Vol. 7 (21), p. 9405-9410

Journal article

2015

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

Ruggero Verre, Zhong-Jian Yang, Timur Shegai et al

Nano Letters. Vol. 15 (3), p. 1952-1958

Journal article

2015

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

Gülis Zengin, Martin Wersäll, Sara Nilsson et al

Physical Review Letters. Vol. 114 (15), p. Art. no. 157401-

Journal article

2014

Directional Nanoplasmonic Antennas for Self-Referenced Refractometric Molecular Analysis

Martin Wersäll, Ruggero Verre, Mikael Svedendahl et al

Journal of Physical Chemistry C. Vol. 118 (36), p. 21075-21080

Journal article

2014

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

Ruggero Verre, Tomasz Antosiewicz, Mikael Svedendahl et al

ACS Nano. Vol. 8 (9), p. 9286-9294

Journal article

2014

Plasmon-Exciton Interactions in a Core-Shell Geometry: From Enhanced Absorption to Strong Coupling

Tomasz Antosiewicz, Peter Apell, Timur Shegai

ACS Photonics. Vol. 1 (5), p. 454-463

Journal article

2013

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

Gülis Zengin, Göran Johansson, Peter Johansson et al

Scientific Reports. Vol. 3

Journal article

2013

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

Gülis Zengin, Vladimir Miljkovic, Peter Johansson et al

International Conference on Transparent Optical Networks

Paper in proceeding

2012

Directional Scattering and Hydrogen Sensing by Bimetallic Pd-Au Nanoantennas

Timur Shegai, Peter Johansson, Christoph Langhammer et al

Nano Letters. Vol. 12 (5), p. 2464-2469

Journal article

2012

Simulating light scattering from supported plasmonic nanowires

Vladimir Miljkovic, Timur Shegai, Peter Johansson et al

Optics Express. Vol. 20 (10), p. 10816-10826

Journal article

2011

A bimetallic nanoantenna for directional colour routing

Timur Shegai, Si Chen, Vladimir Miljkovic et al

Nature Communications. Vol. 2 (1)

Journal article

2011

Hydride formation in single Palladium and Magnesium nanoparticles studied by nanoplasmonic dark field scattering spectroscopy

Timur Shegai, Christoph Langhammer

Advanced Materials. Vol. 23 (38), p. 4409-4414

Journal article

2011

Unidirectional Broadband Light Emission from Supported Plasmonic Nanowires

Timur Shegai, Vladimir Miljkovic, K. Bao et al

Nano Letters. Vol. 11 (2), p. 706-711

Journal article

2011

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

Vladimir Miljkovic, Timur Shegai, Mikael Käll et al

Optics Express. Vol. 19 (14), p. 12856-12864

Journal article

2011

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

Timur Shegai, Björn Brian, Vladimir Miljkovic et al

ACS Nano. Vol. 5 (3), p. 2036-2041

Journal article

2010

Coloring fluorescence emission with silver nanowires

Timur Shegai, Y. Z. Huang, H. X. Xu et al

Applied Physics Letters. Vol. 96 (10), p. 103114 - 103114-3-

Journal article

2009

Raman spectroelectrochemistry of molecules within individual electromagnetic hot spots

Timur Shegai, Alexander Vaskevich, Israel Rubinstein et al

Journal of the American Chemical Society. Vol. 131 (40), p. 14392-14398

Journal article

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Showing 7 research projects

2023–2026

Tunable optical resonators and metamaterials through Casimir self-assembly

Timur Shegai Nano and Biophysics

Swedish Research Council (VR)

2020–2025

Plasmon-exciton coupling at the attosecond-subnanometer scale: Tailoring strong light-matter interactions at room temperature

Eva Olsson Nano and Biophysics

Ermin Malic Condensed Matter and Materials Theory

Paul Erhart Condensed Matter and Materials Theory

Timur Shegai Nano and Biophysics

Knut and Alice Wallenberg Foundation

18 publications exist

2020–2024

2D material-based technology for industrial applications (2D-TECH)

Samuel Lara Avila Quantum Device Physics

Jian Yang Antennas

Johan Liu Electronics Material and Systems

Ermin Malic Condensed Matter and Materials Theory

Timur Shegai Nano and Biophysics

Leif Asp Material and Computational Mechanics

GKN Aerospace Sweden

VINNOVA

71 publications exist

2018–2021

Stark plasmon-exciton koppling för effektiva foton-foton interaktioner

Timur Shegai Bionanophotonics

Swedish Research Council (VR)

5 publications exist

2017–2022

Kvantplasmonik – en teknologi för foton-fotonväxelverkan på kvantnivå vid rumstemperatur

Göran Johansson Applied Quantum Physics

Mikael Käll Bionanophotonics

Timur Shegai Bionanophotonics

Swedish Research Council (VR)

19 publications exist

2016–2018

Möjliggöra kvantoptik vid rumstemperatur via plasmoner

Timur Shegai Bionanophotonics

Stiftelsen Olle Engkvist Byggmästare

2 publications exist

2013–2016

Hybrid optical antennas for effective quantum light sources

Timur Shegai Bionanophotonics

Swedish Research Council (VR)

There might be more projects where Timur Shegai participates, but you have to be logged in as a Chalmers employee to see them.