06 RESEARCH ARCHIVE

Research,
in full.

A chronological archive of my research spanning X-ray single-particle imaging, machine learning, nanophotonics, quantum optics and scientific computing.

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2026

High-throughput in situ single particle X-ray imaging of dehydrating viral capsids

Abhishek Mall, Anna Munke, Parichita Mazumder, Zhou Shen, Johan Bielecki, et al.

Light: Science & Applications · 15(1) · 280

JOURNALLEAD AUTHOR

2026

Single-Particle X-ray Scattering Reveals a High Local Supersaturation of Precursors as the Origin of CoO Assembly Formation

Sani Y Harouna-Mayer, Lars Klemeyer, Cecilia A Zito, Johan Bielecki, Xuemei Cheng, et al.

The Journal of Physical Chemistry Letters · 17(23) · 6418–6424

JOURNALCO-AUTHOR

2025

High-background X-ray single particle imaging enabled by holographic enhancement with 2D crystals

Abhishek Mall, Zhou Shen, Kartik Ayyer

arXiv preprint · arXiv:2508.07953

PREPRINTLEAD AUTHOR

2025

Unraveling Heterogeneity in X-ray Single Particle Imaging

Abhishek Mall

Ph.D. thesis · Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky

THESISLEAD AUTHOR

2025

Deep Learning-Based Variational Autoencoder for Classification of Quantum and Classical States of Light

Mahesh Bhupati, Abhishek Mall, Anshuman Kumar, Pankaj K Jha

Advanced Physics Research · 4(2) · 2400089

JOURNALSECOND AUTHOR

2025

Direct observation of the exciton-polaron in single CsPbBr3 quantum dots

Zhou Shen, Margarita Samoli, Onur Erdem, Johan Bielecki, Amit K Samanta, et al.

ACS Nano · 19(31) · 28372–28382

JOURNALCO-AUTHOR

2025

SPRING, an effective and reliable framework for image reconstruction in single-particle Coherent Diffraction Imaging

Alessandro Colombo, Mario Sauppe, Andre Al Haddad, Kartik Ayyer, Morsal Babayan, et al.

npj Computational Materials · 11(1) · 265

JOURNALCO-AUTHOR

2025

Direct observation of the exciton polaron by serial femtosecond crystallography on single CsPbBr3 quantum dots

Zhou Shen, Margarita Samoli, Onur Erdem, Johan Bielecki, Amit Kumar Samanta, et al.

arXiv preprint · arXiv:2502.02343

PREPRINTCO-AUTHOR

2025

Nonlinear phenomena in X-ray fluorescence from single nanoparticles under extreme conditions

Sebastian Cardoch, Tamme Wollweber, Sarodi Jonak Dutta, Zhou Shen, Johan Bielecki, et al.

arXiv preprint · arXiv:2512.06118

PREPRINTCO-AUTHOR

2025

Single-particle incoherent diffractive imaging and amplified spontaneous emission in copper nanocubes

Tamme Wollweber, Sarodi Jonak Dutta, Zhou Shen, Johan Bielecki, Carl Caleman, et al.

arXiv preprint · arXiv:2512.06110

PREPRINTCO-AUTHOR

2024

Observation of aerosolization-induced morphological changes in viral capsids

Abhishek Mall, Anna Munke, Zhou Shen, Parichita Mazumder, Johan Bielecki, et al.

arXiv preprint · arXiv:2407.11687

PREPRINTLEAD AUTHOR

2024

Resolving nonequilibrium shape variations among millions of gold nanoparticles

Zhou Shen, Paul Lourdu Xavier, Richard Bean, Johan Bielecki, Martin Bergemann, et al.

ACS Nano · 18(24) · 15576–15589

JOURNALCO-AUTHOR

2023

Holographic single-particle imaging for weakly scattering, heterogeneous nanoscale objects

Abhishek Mall, Kartik Ayyer

Physical Review Applied · 19(5) · 054027

JOURNALLEAD AUTHOR

2023

Reference-enhanced x-ray single particle imaging

Abhishek Mall, Kartik Ayyer

Acta Cryst · 79 · C365

PROCEEDINGLEAD AUTHOR

2023

Imaging via correlation of x-ray fluorescence photons

Fabian Trost, Kartik Ayyer, Mauro Prasciolu, Holger Fleckenstein, Miriam Barthelmess, et al.

Physical Review Letters · 130(17) · 173201

JOURNALCO-AUTHOR

2023

Form factor determination of biological molecules with X-ray free electron laser small-angle scattering (XFEL-SAS)

Clement E Blanchet, Adam Round, Haydyn DT Mertens, Kartik Ayyer, Melissa Graewert, et al.

Communications Biology · 6(1) · 1057

JOURNALCO-AUTHOR

2022

Unsupervised learning approaches to characterizing heterogeneous samples using X-ray single-particle imaging

Yulong Zhuang, Salah Awel, Anton Barty, Richard Bean, Johan Bielecki, et al.

IUCrJ · 9(2) · 204–214

JOURNALCO-AUTHOR

2021

Mid infrared polarization engineering via sub-wavelength biaxial hyperbolic van der Waals crystals

Saurabh Dixit, Nihar Ranjan Sahoo, Abhishek Mall, Anshuman Kumar

Scientific Reports · 11(1) · 6612

JOURNALCO-AUTHOR

2020

Fast Design of Plasmonic Metasurfaces Enabled by Deep Learning

Abhishek Mall, Abhijeet Patil, Dipesh Tamboli, Amit Sethi, Anshuman Kumar

J. Phys. D: Appl. Phys. · 53(49) · 49LT01

JOURNALLEAD AUTHOR

2020

A Cyclical Deep Learning Based Framework For Simultaneous Inverse and Forward design of Nanophotonic Metasurfaces

Abhishek Mall, Abhijeet Patil, Amit Sethi, Anshuman Kumar

Scientific Reports · 10(1) · 19427

JOURNALLEAD AUTHOR

2020

Natural in-plane hyperbolic crystals for far-infrared optical components

Saurabh Dixit, Nihar Ranjan Sahoo, Abhishek Mall, Anshuman Kumar

SPIE Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII · 11467 · 1146703

PROCEEDINGCO-AUTHOR

2019

Deep Learning enabled Nanophotonic Design via Finite Element Simulation

Abhishek Mall, Patil Abhijit Tukaram, Amit Sethi, Anshuman Kumar

COMSOL Conference

PROCEEDINGLEAD AUTHOR

—

Mid-infrared polarization engineering via sub-wavelength biaxial hyperbolic van der Waals crystals: Supplementary Information

Saurabh Dixit, Nihar Ranjan Sahoo, Abhishek Mall, Anshuman Kumar

Supplementary Information · year not specified in supplied BibTeX

SUPPLEMENTCO-AUTHOR

Research,in full.

High-throughput in situ single particle X-ray imaging of dehydrating viral capsids

Single-Particle X-ray Scattering Reveals a High Local Supersaturation of Precursors as the Origin of CoO Assembly Formation

High-background X-ray single particle imaging enabled by holographic enhancement with 2D crystals

Unraveling Heterogeneity in X-ray Single Particle Imaging

Deep Learning-Based Variational Autoencoder for Classification of Quantum and Classical States of Light

Direct observation of the exciton-polaron in single CsPbBr3 quantum dots

SPRING, an effective and reliable framework for image reconstruction in single-particle Coherent Diffraction Imaging

Direct observation of the exciton polaron by serial femtosecond crystallography on single CsPbBr3 quantum dots

Nonlinear phenomena in X-ray fluorescence from single nanoparticles under extreme conditions

Single-particle incoherent diffractive imaging and amplified spontaneous emission in copper nanocubes

Observation of aerosolization-induced morphological changes in viral capsids

Resolving nonequilibrium shape variations among millions of gold nanoparticles

Holographic single-particle imaging for weakly scattering, heterogeneous nanoscale objects

Reference-enhanced x-ray single particle imaging

Imaging via correlation of x-ray fluorescence photons

Form factor determination of biological molecules with X-ray free electron laser small-angle scattering (XFEL-SAS)

Unsupervised learning approaches to characterizing heterogeneous samples using X-ray single-particle imaging

Mid infrared polarization engineering via sub-wavelength biaxial hyperbolic van der Waals crystals

Fast Design of Plasmonic Metasurfaces Enabled by Deep Learning

A Cyclical Deep Learning Based Framework For Simultaneous Inverse and Forward design of Nanophotonic Metasurfaces

Natural in-plane hyperbolic crystals for far-infrared optical components

Deep Learning enabled Nanophotonic Design via Finite Element Simulation

Mid-infrared polarization engineering via sub-wavelength biaxial hyperbolic van der Waals crystals: Supplementary Information

Research,
in full.