Welcome to the Masiello Group

light-matter theory at the nanoscale

We are a group of theoreticians with diverse backgrounds in chemistry, physics, electrical engineering, materials science, and applied mathematics working at the interface of plasmonics, nanophotonics, and quantum optics. Our research provides insight and understanding in the discovery of quantum, optical, magnetic, and thermal materials phenomena spanning the frontiers of high space and energy resolution. Deep connection to experiment influences everything we do.

Recent News

Our paper on Polarization-Resolved Electron Energy Gain Nanospectroscopy With Vortex Beams is accepted in Nano Letters

Congratulations to Marc, Austin, Matthieu, and Elliot for their theoretical development and interpretation of a new class of transverse phase structured inelastic electron scattering signals capable of retrieving the full 3D electromagnetic local density of states and local chirality of nanoscale material specimens in a scanning transmission electron microscope.

GRC Vice-Chair / Chair Elect

David is elected Vice-Chair / Chair (2024 / 2026) of the Noble Metal Nanoparticles Gordon Research Conference.

New DOE BES Electron and Scanning Probe Microscopy (ESPM) Award

DOE BES ESPM will fund the next generation of our work in the theoretical development of vortex-polarized free electron beam probes of polaritonic quantum materials.

New PRL on mapping exciton polaritons in structured optical cavities using focused electron beams

Congratulations to Marc, Elliot, Siamak, and Nicole for their development of a new STEM electron beam probe capable of spectrally and spatially mapping a new class of quantum materials at their native energy, length, and momentum scales.

Research

Fast Electron Nano-Spectroscopy

Pushing the boundaries of fast electron spectroscopy, energy-monochromated and aberration-corrected scanning transmission electron microscopes have opened the far infrared to nanometer scale spatial mapping. Together with experiment, we leverage these advances to resolve open fundamental questions in nano-spectroscopy, perform entirely new materials characterization techniques at the single-particle level, and discover advanced materials endowed with unprecedented functionalities.

Nanophotonics / Quantum Optics

Coupling between light and matter is extraordinarily weak. Optical resonator cavities provide an opportunity to coax repeated light-matter interactions, thereby enhancing coupling far beyond that of free space. In such settings, coupling can be so strong that it is no longer possible to disentangle the original optical and material degrees of freedom, resulting in non-equilibrium quantum optical states endowed with properties beyond those of their components.

Photothermal Spectroscopy and Microscopy

Measurement of the two distinct components—scattering and absorption—of a single particle’s optical extinction provides fundamentally important and complementary information on how that object processes light: either scattering it back to the far-field or converting it into internal excitation.

Meet the Group

Principal Investigator

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David J. Masiello

Professor of Chemistry
Bernard and Claudine Nist Endowed Scholar in Chemistry
Adjunct Professor of Materials Science and Engineering
Adjunct Professor of Applied Mathematics

Ph.D. Chemical Physics, University of Florida
B.S. Mathematics, University of Florida

Post-Doctoral Fellows

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Elliot Beutler

Post-Doctoral Fellow

Ph.D. Chemistry, University of Washington
B.S. Chemistry, University of Washington

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Marc Bourgeois

Research Scientist

Ph.D. Chemistry, Northwestern University
M.S. Physics, University of Arizona
B.A. Physics, Math, and Integrated Sciences, Northwestern University

Graduate Students

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Praise Anyanwu

Graduate Student, Chemistry

B.S. Chemistry, Bard College

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Matthieu Chalifour

Graduate Student, Physics

B.S. Physics, Swarthmore College

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Xiaofei (Betty) Guo

Graduate Student, Chemistry

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Michael Hilyard

Graduate Student, Materials Science and Engineering

B.S. Chemistry, University of Toledo

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Siamak Khorasani

Graduate Student, Materials Science & Engineering

M.S. Nanoengineering, Joint School of Nanoscience and Nanoengineering

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Austin Nixon

Graduate Student, Chemistry

B.S. Physics and Chemistry, University of Washington

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Andrew Rossi

Graduate Student, Chemistry

B.S. Chemistry, The Ohio State University

Alumni

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Aniruddha Bhattacharya, Ph.D.

Post-Doctoral Fellow

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Nicholas Bigelow, Ph.D.

Graduate Student, Chemistry

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Jacob Busche, Ph.D.

Graduate Student, Chemistry

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Charles Cherqui, Ph.D.

Post-Doctoral Fellow

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Harrison Goldwyn, Ph.D.

Graduate Student, Chemistry

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Zhongwei Hu, Ph.D.

Post-Doctoral Fellow

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Xiang-Tian Kong, Ph.D.

Post-Doctoral Fellow

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Nicholas P. Montoni, Ph.D.

Graduate Student, Chemistry

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Zhaoxia Qian, Ph.D.

Post-Doctoral Fellow

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Steven Quillin, Ph.D.

Graduate Student, Chemistry

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Kevin Smith, Ph.D.

Graduate Student, Physics

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Niket Thakkar, Ph.D.

Graduate Student, Applied Mathematics

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Claire West, Ph.D.

Graduate Student, Chemistry

Publications

Quickly discover relevant content by filtering publications.

Near-Field Enhancement of Optical Second Harmonic Generation in Hybrid Gold-Lithium Niobate Nanostructures

Active control of plasmonic-photonic interactions in a microbubble cavity

Optical Control Over Thermal Distributions in Topologically Trivial and Non-Trivial Plasmon Lattices

Polarization-Resolved Electron Energy Gain Nanospectroscopy With Phase-Structured Electron Beams

Nanometer-Scale Spatial and Spectral Mapping of Exciton Polaritons in Structured Plasmonic Cavities

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