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Related papers: Designs for a Quantum Electron Microscope

200 papers

We propose a simple design of a quantum electron microscope that ``queries'' a beam-sensitive phase object, such as a biological specimen, as part of quantum computation. Lower quantum query complexity, not the time complexity, of a quantum…

Quantum Physics · Physics 2026-04-15 Hiroshi Okamoto

We show that radiation damage to unstained biological specimens is not an intractable problem in electron microscopy. When a structural hypothesis of a specimen is available, quantum mechanical principles allow us to verify the hypothesis…

Quantum Physics · Physics 2015-07-01 Hiroshi Okamoto , Tatiana Latychevskaia , Hans-Werner Fink

Feynman once asked physicists to build better electron microscopes to be able to watch biology at work. While electron microscopes can now provide atomic resolution, electron beam induced specimen damage precludes high resolution imaging of…

Instrumentation and Detectors · Physics 2016-12-16 Thomas Juffmann , Stewart A. Koppell , Brannon B. Klopfer , Colin Ophus , Robert Glaeser , Mark A. Kasevich

Examining and controlling the interaction between semiconductor quantum qubits and their environment can boost semiconductor quantum technologies, which have many applications in table-top quantum computing hardware. Electron beams in…

Quantum Physics · Physics 2026-05-12 Nahid Talebi

The major resolution-limiting factor in cryoelectron microscopy of unstained biological specimens is radiation damage by the very electrons that are used to probe the specimen structure. To address this problem, an electron microscopy…

Quantum Physics · Physics 2015-06-18 Hiroshi Okamoto

The last two decades experimentally affirmed the quantum nature of free electron wavepackets by the rapid development of transmission electron microscopes into ultrafast, quantum-coherent systems. In particular, ultrafast electron pulses…

Optics · Physics 2022-09-30 Roy Shiloh , Tomas Chlouba , Peter Hommelhoff

The quantum properties of matter and radiation can be leveraged to surpass classical limits of sensing and detection. Quantum optics does so by creating and measuring nonclassical light. However, better performance requires higher…

Quantum Physics · Physics 2025-05-12 Cruz I. Velasco , F. Javier García de Abajo

Free electron beams such as those employed in electron microscopes have evolved into powerful tools to investigate photonic nanostructures with an unrivaled combination of spatial and spectral precision through the analysis of electron…

Quantum Physics · Physics 2021-04-22 F. Javier García de Abajo , Valerio Di Giulio

Free electrons provide a powerful tool to probe material properties at atomic-scale spatial resolution. Recent advances in ultrafast electron microscopy enable the manipulation of free electron wavefunctions using laser pulses. It would be…

Quantum Physics · Physics 2021-06-16 Ron Ruimy , Alexey Gorlach , Chen Mechel , Nicholas Rivera , Ido Kaminer

An overview of quantum-mechanical methods to generate cross-section data for electron collisions with atoms and molecules is presented. Particular emphasis is placed on the time-independent close-coupling approach, since it is particularly…

Plasma Physics · Physics 2016-10-21 Klaus Bartschat , Jonathan Tennyson , Oleg Zatsarinny

We present a statistical model of non-interacting individual classical particles that may lead to a microscopic implementation of quantum mechanics. The model requires the action of a special type of detector that detects and records…

General Physics · Physics 2022-03-22 Ioannis Contopoulos

Quantum coherence can be used to infer the presence of a detector without triggering it. Here we point out that, according to quantum mechanics, such interaction-free measurements cannot be perfect, i.e., in a single-shot experiment one has…

State-of-the-art microscopes use intense lasers that can severely disturb biological processes, function and viability. This introduces hard limits on performance that only quantum photon correlations can overcome. Here we demonstrate this…

Probing optical excitations with nanometer resolution is important for understanding their dynamics and interactions down to the atomic scale. Electron microscopes currently offer the unparalleled ability of rendering spatially-resolved…

Quantum Physics · Physics 2020-07-16 Valerio Di Giulio , Mathieu Kociak , F. Javier García de Abajo

We investigate the fundamental limit of biological quantum electron microscopy, which is designed to go beyond the shot noise limit. Inelastic scattering is expected to be the main obstacle in this setting, especially for thick specimens of…

Quantum Physics · Physics 2022-09-14 Hiroshi Okamoto

Semi-transparent mirrors are standard elements in light optics for splitting light beams or creating two versions of the same image. Such mirrors do not exist in electron optics, although they could be beneficial in existing techniques such…

Quantum Physics · Physics 2018-10-24 Yujia Yang , Chung-Soo Kim , Richard G. Hobbs , Pieter Kruit , Karl K. Berggren

Entanglement of photons is a fundamental feature of quantum mechanics, which stands at the core of quantum technologies such as photonic quantum computing, communication, and sensing. An ongoing challenge in all these is finding an…

Quantum Physics · Physics 2026-01-30 Gefen Baranes , Ron Ruimy , Alexey Gorlach , Ido Kaminer

Since the birth of quantum optics, the measurement of quantum states of nonclassical light has been of tremendous importance for advancement in the field. To date, conventional detectors such as photomultipliers, avalanche photodiodes, and…

Quantum Physics · Physics 2026-01-30 Alexey Gorlach , Aviv Karnieli , Raphael Dahan , Eliahu Cohen , Avi Pe'er , Ido Kaminer

The interaction between free electrons and nanoscale optical fields has emerged as a unique platform to investigate ultrafast processes in matter and explore fundamental quantum phenomena. In particular, optically modulated electrons are…

Mesoscale and Nanoscale Physics · Physics 2024-11-07 Adamantios P. Synanidis , P. A. D. Gonçalves , Claus Ropers , F. Javier García de Abajo
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