Group Publications

Spin-dependent bandgap renormalization and state-filling effect in Bi2Se3 observed by ultrafast Kerr rotation

Applied Physics Letters 124, 233104 (2024)

K. Kikuchi, Y. Mizukoshi, T. Fukuda, P. Fons, M. Hase

Frequency down-conversion of terahertz waves at optically induced temporal boundaries in GaAs waveguides

Nanophotonics (2024)

K. Takano, S. Uchiyama, S. Nagase, Y. Tsuchimoto, T. Nakanishi, Y. Nakata, J. Pérez-Urquizo, J. Madéo, K. M. Dani and F. Miyamaru

Time-resolved photoemission electron microscopy of semiconductor interfaces

Progress in Surface Science, 100745 (2024)

S. Kosar, K. M. Dani

Attenuation management in terahertz frequency conversion with temporal boundary using a metallic structure

Phys. Rev. Applied 35 (21), 044044 (2024)

F. Miyamaru, M. Amaki, K. Takano, J. Pérez-Urquizo, J. Madéo, K. M. Dani, Y. Nakata and T. Nakanishi

Through the lens of a momentum microscope: viewing light-induced quantum phenomena in two-dimensional materials

Adv. Mater. 35 (27), 2204120 (2023)

O. Karni, I. Esin, K.M. Dani

Transition from diffusive to superdiffusive transport in carbon nanotube networks via nematic order control

Nano Letters (2023)

M. Wais, F.R.G. Bagsican, N. Komatsu, W. Gao, K. Serita, H. Murakami, K. Held, I. Kawayama, J. Kono, M. Battiato and M. Tonouchi.

Phase composition, microstructure, and optical characteristics of spin-coated La-TiO₂ and Fe-TiO₂

physica status solidi (a) (2023)

A. Liboon Jr, S. R. Cabo, R. B. Unabia, F. R. G. Bagsican and R. T. Candidato Jr

Harmonic generation in confinement

Nat. Phys. (2022)

J. Madéo, and K. M. Dani

Optimum excitation wavelength and photon energy threshold for spintronic terahertz emission from Fe/Pt bilayer

iScience 25, 7, 104615 (2022)

V. K. Mag-usara, M. C. Escaño, C. E. Petoukhoff, G. Torosyan, L. Scheuer, J. Madéo, J. Afalla, M. L. Talara, J. E. Muldera, H. Kitahara, D. R. Bacon, M. Nakajima, K. M. Dani, E. T. Papaioannou, R. Beigang and M. Tani,

Local nanoscale phase impurities are degradation sites in halide perovskites

Nature 607, 294-300 (2022)

S. Macpherson, T. A. S. Doherty, A. J. Winchester, S. Kosar, D. N. Johnstone, Y. Chiang, K. Galkowski, M. Anaya, K. Frohna, A. N. Iqbal, S. Nagane, B. Roose, Z. Andaji-Garmaroudi, K. W. P. Orr, J. E. Parker, P. A. Midgley, K. M. Dani and S. D. Stranks

Dominating interlayer resonant energy transfer in type-II 2D heterostructure

ACS Nano 16, 3, 3861–3869 (2022)

A. Karmakar, A. Al-Mahboob, C. E. Petoukhoff, O. Kravchyna, N. S. Chan, T. Taniguchi, K. Watanabe, and K. M. Dani

Structure of the moiré exciton captured by imaging its electron and hole

Nature 603, 247-252 (2022)

O. Karni^†, E. Barré^†, V. Pareek^†, J. D. Georgaras^†, M. K. L. Man^†, C. Sahoo^†, D. R. Bacon, X. Zhu, H. B. Ribeiro, A. L. O’Beirne, J. Hu, A. Al-Mahboob, M. M. M. Abdelrasoul, N. S. Chan, A. Karmakar, A. J. Winchester, B. Kim, K. Watanabe, T. Taniguchi, K. Barmak, J. Madéo, F. H. da Jornada, T. F. Heinz and K. M. Dani

^†These authors contributed equally to this work.

An on-demand drug delivery system for control of epileptiform seizures

Pharmaceutics 14, 468 (2022)

T. Nakano, S. B. Rizwan, D. M. A. Myint, J. Gray, S. M. Mackay, P. Harris, C. G. Perk, B. I. Hyland, R. Empson, E. W. Tan, K. M. Dani, J. N. Reynolds, J. R. Wickens

Nanoscale chemical heterogeneity dominates the optoelectronic response of alloyed perovskite solar cells

Nat. Nanotechnol. 17, 190-196 (2022)

K. Frohna, M. Anaya, S. Macpherson, J. Sung, T. A. S. Doherty, Y. H. Chiang, A. J. Winchester, K. W. P. Orr, J. E. Parker, P. D. Quinn, K. M. Dani, A. Rao and S. D. Stranks

Unraveling the varied nature and roles of defects in hybrid halide perovskites with time-resolved photoemission electron microscopy

Energy Environ. Sci. 14, 6320-6328 (2021)

S. Kosar, A. J. Winchester, T. A. S. Doherty, S. Macpherson, C. E. Petoukhoff, K. Frohna, M. Anaya, N. S. Chan, J. Madéo, M. K. L. Man, S. D. Stranks and K. M. Dani

Visualizing superconductivity in a doped Weyl semimetal with broken inversion symmetry

Phys. Rev. B 104 (11), 115102 (2021)

Z. Wang, J. Olivares, H. Namiki, V. Pareek, K. M. Dani, T. Sasagawa, V. Madhavan and Y. Okada

Ultrafast frequency-shift dynamics at temporal boundary induced by structural-dispersion switching of waveguides

Phys. Rev. Lett. 127 (5), 053902 (2021)

F. Miyamaru, C. Mizuo, T. Nakanishi, Y. Nakata, K. Hasebe, S. Nagase, Y. Matsubara, Y. Goto, J. Pérez-Urquizo, J. Madéo, and K. M. Dani

The 2021 ultrafast spectroscopic probes of condensed matter roadmap

J. Phys.: Condens. Matter 33 353001 (2021)

J. Lloyd-Hughes, P. M. Oppeneer, T. Pereira dos Santos, A. Schleife, S. Meng, M. A. Sentef, M. Ruggenthaler, A. Rubio, I. Radu, M. Murnane, X. Shi, H. Kapteyn, B. Stadtmüller, K. M. Dani, F. H. da Jornada, E. Prinz, M. Aeschlimann, R. L. Milot, M. Burdanova, J. Boland, T. Cocker and F. Hegmann

High field single- to few-cycle THz generation with lithium niobate

Photonics 8 (6), 183 (2021)

X. Zhu, D. R. Bacon, J. Madéo and K. M. Dani

Photoconductive emitters for pulsed terahertz generation

Journal of Optics 23 (6), 064001 (2021)

D. R. Bacon, J. Madéo and K. M. Dani

Experimental measurement of the intrinsic excitonic wave function

Science Advances 7 (17), eabg0192 (2021)

M. K. L. Man^†, J. Madéo^†, C. Sahoo, K. Xie, M. Campbell, V. Pareek, A. Karmakar, E L. Wong, A. Al-Mahboob, N. S. Chan, D. R. Bacon, X. Zhu, M. M. M. Abdelrasoul, X. Li, T. F. Heinz, F. H. da Jornada, T. Cao, and K. M. Dani

^†These authors contributed equally to this work.

Featured: Scientists capture first ever image of an electron's orbit within an exciton

                 Phys.Org April 21 (2021) OIST

Visualization of two-dimensional transition dipole moment texture in momentum space using high-harmonic generation spectroscopy

Physical Review B 103, L161406 (2021)

K. Uchida, V. Pareek, K. Nagai, K. M. Dani, and K. Tanaka

Monolithic patch-antenna THz lasers with extremely low beam divergence and polarization control

ACS Photonics 8 (2), 412 (2021)

J. Pérez-Urquizo, Y. Todorov, L. Li, A. G. Davies, E. H. Linfield, C. Sirtori, J. Madéo, K. M. Dani

Directly visualizing the momentum-forbidden dark excitons and their dynamics in atomically thin semiconductors

Science 370 (6521), 1199 (2020) (Reprint)

J. Madéo^†, M. K. L. Man^†, C. Sahoo, M. Campbell, V. Pareek, E L. Wong, A. Al-Mahboob, N. S. Chan, A. Karmakar, B. M. K. Mariserla, X. Li, T. F. Heinz, T. Cao, and K. M. Dani

^†These authors contributed equally to this work.

Perspective: Probing the dark side of the exciton

Science 370 (6521), 1166 (2020) M. X. Na, Z. Ye

Featured: Photoelectrons shine a light on dark excitons

Phys. Today 74 16–18 (2021) C. Middleton

Strong plasmon-exciton coupling in Ag nanoparticle - conjugated polymer core-shell hybrid nanostructures

Polymers 12 (9), 2141 (2020)

C. E. Petoukhoff, K. M. Dani, and D. M. O'Carroll

Photoconductive arrays on insulating substrates for high-field terahertz generation

Optics Express 28 (12), 17219 (2020)

D. R. Bacon, T. B. Gill, M. Rosamond, A. D. Burnett, A. Dunn, L. Li, E. H. Linfield, A. G. Davies, P. Dean, and J. R. Freeman

Examining the surface phase diagram of IrTe₂ with photoemission

Phys. Rev. B 101, 235120 (2020)

M. Rumo, C. W. Nicholson, A. Pulkkinen, B. Hildebrand, G. Kremer, B. Salzmann, M.-L. Mottas, K. Y. Ma, E L. Wong, M. K. L. Man, K. M. Dani, B. Barbiellini, M. Muntwiler, T. Jaouen, F. O. von Rohr, and C. Monney 

Performance-limiting nanoscale trap clusters at grain junctions in halide perovskites

Nature 580, 360 (2020)

T. A. S. Doherty^†, A. J. Winchester^†, S. Macpherson, D. N. Johnstone, V. Pareek, E. M. Tennyson, S. Kosar, F. U. Kosasih, M. Anaya, M. Abdi-Jalebi, Z. Andaji-Garmaroudi, E L. Wong, J. Madéo, Y.-H. Chiang, J.-S. Park, Y.-K. Jung, C. E. Petoukhoff, G. Divitini, M. K. L. Man, C. Ducati, A. Walsh, P. A. Midgley, K. M. Dani^‡, and S. D. Stranks^‡  

^†These authors contributed equally to this work. 

^‡Co-corresponding authors.

"Investigation of nanoscale energy transport with time-resolved photoemission electron microscopy"

Nanoscale Energy Transport, edited by B. Liao (IOP Publishing Ltd, 2020), pp.10-1 - 10-33 [Book Chapter]

R. Wong, M. K. L. Man, and K. M. Dani

Ultrafast control of the dimensionality of exciton-exciton annihilation in atomically thin black phosphorus

Phys. Rev. Lett. 124, 057403 (2020)

V. Pareek, J. Madéo, and K. M. Dani

Improving signal and photobleaching characteristics of temporal focusing microscopy with the increase in pulse repetition rate

Methods Protoc. 2, 65 (2019)

V. Lisicovas, B. M. K. Mariserla, C. Sahoo, R. T. Harding, M. K. L. Man, E L. Wong, J. Madéo, and K. M. Dani

Charge transfer dynamics in conjugated polymer/MoS₂ organic/2D heterojunctions

Mol. Syst. Des. Eng. 4, 929 (2019)

C. E. Petoukhoff, S. Kosar, M. Goto, I. Bozkurt, M. Chhowalla, and K. M. Dani

Ultrafast dynamics and subwavelength periodic structure formation following irradiation of GaAs with femtosecond laser pulses

Phys. Rev. B 98, 224103 (2018)

A. Margiolakis, G. D. Tsibidis, K. M. Dani, and G. P. Tsironis

Directly photoexcited Dirac and Weyl fermions in ZrSiS and NbAs

Appl. Phys. Lett. 113, 221906 (2018)

C. P. Weber, L. M. Schoop, S. S. P. Parkin, R. C. Newby, A. Nateprov, B. Lotsch, B. M. K. Mariserla, J. M. Kim, K. M. Dani, H. A. Bechtel, E. Arushanov, and M. Ali

Using coherent phonons for ultrafast control of the Dirac node of SrMnSb₂

Phys. Rev. B 98, 155115 (2018)

C. P. Weber, M. G. Masten, T. C. Ogloza, B. S. Berggren, M. K. L. Man, K. M. Dani, J. Liu, Z. Mao, D. D. Klug, A. A. Adeleke, and Y. Yao

Pulling apart photoexcited electrons by photoinducing an in-plane surface electric field

Science Advances 4, eaat9722 (2018)

E L. Wong, A. J. Winchester, V. Pareek, J. Madéo, M. K. L. Man, and K. M. Dani

Terahertz photoconductivity and photocarrier dynamics in few-layer hBN/WS₂ van der Waals heterostructure laminates

Semicond. Sci. Tech. 33, 084001 (2018)

M. B. M. Krishna, J. Madéo, J. P. Urquizo, X. Zhu, S. Vinod, C. S. Tiwary, P. M. Ajayan, and K. M. Dani

Symmetry and optical selection rules in graphene quantum dots

Phys. Rev. B 97, 115404 (2018)

R. Pohle, E. G. Kavousanaki, K. M. Dani, and N. Shannon

High-temperature terahertz optical diode effect without magnetic order in polar FeZnMo₃O₈

Phys. Rev. Lett. 120, 037601 (2018)

S. Yu, B. Gao, J. W. Kim, S.-W. Cheong, M. K. L. Man, J. Madéo, K. M. Dani, and D. Talbayev

Similar ultrafast dynamics of several dissimilar Dirac and Weyl semimetals

J. Appl. Phys. 122, 223102 (2017)

C. P. Weber, B. S. Berggren, M. G. Masten, T. C. Ogloza, S. Deckoff-Jones, J. Madéo, M. K. L. Man, K. M. Dani, L. Zhao, G. Chen, J. Liu, Z. Mao, L. M. Schoop, B. V. Lotsch, S. S. P. Parkin, and M. Ali

Terahertz-frequency magnetoelectric effect in Ni-doped CaBaCo₄O₇

Phys. Rev. B 96, 094421 (2017)

S. Yu, C. Dhanasekhar, V. Adyam, S. Deckoff-Jones, M. K. L. Man, J. Madéo, E L. Wong, T. Harada, M. B. M. Krishna, K. M. Dani, and D. Talbayev

Engineering the losses and beam divergence in arrays of patch antenna microcavities for terahertz sources

J. Infrared Milli. Terahz. Waves 38, 1321 (2017)

J. Madéo, J. Pérez-Urquizo, Y. Todorov, C. Sirtori, and K. M. Dani

Commentary: Pursuing science across nationalities and disciplines

Physics Today 70, 10 (2017)

K. M. Dani

Obtaining cross-sections of paint layers in cultural artifacts using femtosecond pulsed lasers

Materials 10, 107 (2017)

T. Harada^†, S. Spence^†, A. Margiolakis, S. Deckoff-Jones, R. Ploeger, A. N. Shugar, J. F. Hamm, K. M. Dani and A. R. Dani

^†These authors contributed equally to this work.

Imaging the motion of electrons across semiconductor heterojunctions

Nat. Nanotechnol. 12, 36 (2017)

M. K. L. Man, A. Margiolakis, S. Deckoff-Jones, T. Harada, E L. Wong, M. B. M. Krishna, J. Madéo, A. Winchester, S. Lei, R. Vajtai, P. M. Ajayan and K. M. Dani

News & Views: Photovoltaics in action

Nat. Nanotechnol. 12, 3 (2017) Hrvoje Petek

Jahn-Teller-induced femtosecond electronic depolarization dynamics of the nitrogen-vacancy defect in diamond

Nat. Commun. 7, 13510 (2016)

R. Ulbricht, S. Dong, I. Y. Chang, B. M. K. Mariserla, K. M. Dani, K. Hyeon-Deuk, and Z. H. Loh

Ultrafast charge transfer and enhanced absorption in MoS₂ - organic van der Waals heterojunctions using plasmonic metasurfaces

ACS Nano 10, 9899 (2016)

C. E. Petoukhoff, M. B. M. Krishna, D. Voiry, I. Bozkurt, S. Deckoff-Jones, M. Chhowalla, D. M. O'Carroll, and K. M. Dani

Interfacing with neural activity via femtosecond laser stimulation of drug encapsulating liposomal nanostructures

eNeuro 3, e0107 (2016)

T. Nakano, S. M. Mackay, E. W. Tan, K. M. Dani, and J. Wickens

Patch antenna microcavity terahertz sources with enhanced emission

Appl. Phys. Lett. 109, 141103 (2016)

J. Madéo, Y. Todorov, A. Gilman, G. Frucci, L. H. Li, A. G. Davies, E. H. Linfield, C. Sirtori, and K. M. Dani

Observing the interplay between surface and bulk optical nonlinearities in thin van der Waals crystals

Sci. Rep. 6, 22620 (2016)

S. Deckoff-Jones, J. Zhang, C. E. Petoukhoff, M. K. L. Man, S. Lei, R. Vajtai, P. M. Ajayan, D. Talbayev, J. Madéo, and K. M. Dani

Protecting the properties of monolayer MoS₂ on silicon based substrates with an atomically thin buffer

Sci. Rep. 6, 20890 (2016)

M. K. L. Man, S. Deckoff-Jones, A. Winchester, G. Shi, G. Gupta, A. D. Mohite, S. Kar, E. Kioupakis, S. Talapatra, and K. M. Dani

Oxidation of planar and plasmonic Ag surfaces by exposure to O₂/Ar plasma for organic optoelectronic applications

MRS Advances 1, 943 (2016)

C. E. Petoukhoff, C. Antonick, B. M. K. Mariserla, K. M. Dani, and D. M. O'Carroll

Chemical vapor deposition synthesized atomically-thin Molybdenum Disulfide with optoelectronic-graded crystalline quality

ACS Nano 9, 8822 (2015)

I. Bilgin, F. Kiu, A. Vargas. A. Winchester, M. K. L. Man, M. Upmanyu, K. M. Dani, G. Gupta, S. Talapatra, A. D. Mohite, and S. Kar

Engineering photophenomena in large, three dimensional structures composed of self-assembled van der Waals heterostructure flakes

Adv. Opt. Materials 3, 1551 (2015)

B. M. K. Mariserla, M. K. L. Man, S. Vinod, C. Chin, T. Harada, J. Taha-Tijerina, C. S. Tiwary, P. Nguyen, P. Chang, T. N. Narayanan, A. Rubio, P. M. Ajayan, S. Talapatra, and K. M. Dani

Ultrafast intrinsic photoresponse and direct evidence of sub-gap states in liquid phase exfoliated MoS₂ thin films

Sci. Rep. 5, 11272 (2015)

S. Ghosh, A. Winchester, B. Muchhaarla, M. Wasala, S. Feng, A. L. Elias, B. M. K. Mariserla, T. Harada, C. Chin, K. M. Dani, S. Kar, M. Terrones, and S. Talapatra

Ultrafast properties of femtosecond-laser-ablated GaAs and its application to terahertz optoelectronics

Opt. Lett. 40 (14), 3388-3391 (2015)

J. Madéo, A. Margiolakis, Z.-Y. Zhao, P. J. Hale, M. K. L. Man, Q.-Z. Zhao, W. Peng, W.-Z. Shi and K. M. Dani

Patch antenna terahertz photodetectors

Appl. Phys. Lett. 106, 161102 (2015)

D. Palaferri, Y. Todorov, Y. N. Chen, J. Madéo, A. Vasanelli, L. H. Li, A. G. Davies, E. H. Linfield, and C. Sirtori

Optically induced magnetic moments in symmetric graphene quantum dots

Phys. Rev. B 91, 035433 (2015)

E. G. Kavousanaki and K. M. Dani

A novel drug delivery method for neuropharmacological research, using liposomes and lasers

Neurotransmitter 1 (1): e424 (2014)

T. Nakano, C. Chin, J. Wickens, and K. M. Dani

20 THz broadband generation using semi-insulating GaAs interdigitated photoconductive antennas

Optics Express 22 (21), 26358-26364 (2014)

P. J. Hale, J. Madéo, C. Chin, S. S. Dhillon, J. Mangeney, J. Tignon, and K. M. Dani

Mimicking subsecond neurotransmitter dynamics with femtosecond laser stimulated nanosystems

Sci. Rep. 4, 5398 (2014)

T. Nakano, C. Chin, D. M. A. Myint, E. W. Tan, P. J. Hale, B. M. Krishna M., J. N. J. Reynolds, J. Wickens, and K. M. Dani

Quantum limit for nuclear spin polarization in semiconductor quantum dots

Phys. Rev. B 89, 205302 (2014)

J. Hildmann, E. Kavousanaki, G. Burkard, and H. Ribeiro

Optical transmission control in graphene oxide and its organic composites with ultrashort laser pulses

Journal of Optics 16, 1-6 (2014)

B. M. K. Mariserla, N. Venktramaiah, and D. N. Rao

Fe3S4 (greigite) formation by vapor–solid reaction

Journal of Materials Chemistry A 2, 1903-1913 (2013)

E. Bauer, K. L. M. Man, A. Pavlovska, A. Locatelli, T. O. Menteş, M. A. Niño, and M. S. Altman

Influence of solvent contribution on nonlinearities of near infra-red absorbing croconate and squaraine dyes with ultrafast laser excitation

Journal of Applied Physics 114, 1-8 (2013)

B. M. K. Mariserla and D. N. Rao

Intraband conductivity response in graphene observed using ultrafast infrared-pump visible-probe spectroscopy

Phys. Rev. B 86, 125403 (2012)

K. M. Dani, J. Lee, R. Sharma, A. D. Mohite, C. M. Galande, P. M. Ajayan, A. M. Dattelbaum, H. Htoon, A. J. Taylor, and R. P. Prasankumar

Signatures of spin blockade in the optical response of a charged quantum dot

Phys. Rev. B 86, 045122 (2012)

E. G. Kavousanaki and G. Burkard

Tracing ultrafast separation and coalescence of carriers in graphene with time-resolved photoemission

J. of Phys. Chemistry Lett. 3, 64-68 (2012)

S. Gilbertson, G. L. Dakovski, T. Durakiewics, J. Zhu, K. M. Dani, A. D. Mohite, A. M. Dattelbaum, and G. Rodriguez