Publications (17)
Two-electron quantum walks can probe entanglement and decoherence in an electron microscope
Offek Tziperman, David Nabben, Ron Ruimy +8
Classical physics is often a good approximation for quantum systems composed of many interacting particles, although wavepacket dispersion and scattering processes continuously ind…
Superradiant Electron Energy Loss Spectroscopy
Ron Ruimy, Alexey Gorlach, Gefen Baranes +1
We analyze the interaction between a free electron and an ensemble of identical optical emitters. The mutual coherence and correlations between the emitters can enhance the interac…
Generalized Conditional Displacement
Shiran Even-Haim, Asaf A. Diringer, Ron Ruimy +4
Conditional displacement with a qubit ancilla is a critical component in continuous-variable error correction protocols. We present the generalized conditional displacement operato…
Universal Control of Symmetric States Using Spin Squeezing
Nir Gutman, Alexey Gorlach, Offek Tziperman +2
The manipulation of quantum many-body systems is a frontier challenge in quantum science. Entangled quantum states that are symmetric to permutation between qubits are of growing i…
Roadmap for Quantum Nanophotonics with Free Electrons
F. Javier GarcÃa de Abajo, Albert Polman, Cruz I. Velasco +44
Over the past century, continuous advancements in electron microscopy have enabled the synthesis, control, and characterization of high-quality free-electron beams. These probes ca…
Free-Electron Ramsey-Type Interferometry for Enhanced Amplitude and Phase imaging of Nearfields
Tomer Bucher, Ron Ruimy, Shai Tsesses +4
The complex range of interactions between electrons and electromagnetic fields gave rise to countless scientific and technological advances. A prime example is photon-induced nearf…
Free Electrons Can Induce Entanglement Between Photons
Gefen Baranes, Ron Ruimy, Alexey Gorlach +1
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 sensi…
Coherently amplified ultrafast imaging using a free-electron interferometer
Tomer Bucher, Harel Nahari, Hanan Herzig Sheinfux +18
Accessing the low-energy non-equilibrium dynamics of materials and their polaritons with simultaneous high spatial and temporal resolution has been a bold frontier of electron micr…
Free-electron interactions with photonic GKP states: universal control and quantum error correction
Gefen Baranes, Shiran Even-Haim, Ron Ruimy +5
We show that the coherent interaction between free electrons and photons can be used for universal control of continuous-variable photonic quantum states in the form of Gottesman-K…
Superluminal Correlations in Ensembles of Optical Phase Singularities
Tomer Bucher, Alexey Gorlach, Arthur Niedermayr +16
Phase singularities are universal features found across diverse wave systems. Their ensembles exhibit distance correlations governing exotic material phases. However, the full corr…
Spin Squeezing in Electron Microscopy
Shiran Even-Haim, Ethan Nussinson, Roni Ben-Maimon +5
Quantum metrology experiments in atomic physics and quantum optics have demonstrated measurement accuracy beyond the shot-noise limit via multi-particle entanglement. At the same t…
The quantum state of light in collective spontaneous emission
Offek Tziperman, Gefen Baranes, Alexey Gorlach +6
Collective spontaneous emission occurs when multiple quantum emitters decay into common radiation modes, resulting in enhanced or suppressed emission. Here, we find the quantum sta…
High Harmonic Generation from Isolated Bound States: Tunable Emission Spectra and Mollow Triplets
Sergey Hazanov, Alexey Gorlach, Ron Ruimy +3
High harmonic generation (HHG) is a highly nonlinear emission process in which systems driven by intense laser pulses emit integer multiples (harmonics) of the driving field. This…
Towards atomic-resolution quantum measurements with coherently-shaped free electrons
Ron Ruimy, Alexey Gorlach, Chen Mechel +2
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…
Double-superradiant cathodoluminescence
Alexey Gorlach, Ori Reinhardt, Andrea Pizzi +4
There exist two families of superradiance phenomena: relying on correlated emission by an ensemble of atoms or by free electrons. Here we investigate emission from an ensemble of a…
Creation of Optical Cat and GKP States Using Shaped Free Electrons
Raphael Dahan, Gefen Baranes, Alexey Gorlach +3
Cat states and Gottesman-Kitaev-Preskill (GKP) states play a key role in quantum computation and communication with continuous variables. The creation of such states relies on stro…
Toward Photon-Induced Near-Field Electron Tomography
Tamir Shpiro, Ron Ruimy, Qinghui Yan +4
New techniques for imaging electromagnetic near-fields in nanostructures drive advancements in nanotechnology, optoelectronics, materials science, and biochemistry. Most existing t…