7 papers
Nonlinear Compton scattering in a quantized pump field
Kenan Qu
We develop a fully quantized theory of nonlinear Compton scattering driven by a single-mode quantum field. Exact quantum-Volkov states retain pump depletion, back-action, and final…
Single-Shot Intensity-Correlation Diffractive X-ray Imaging of ICF Plasmas
Kenan Qu, Daniel Bhatti, Nathaniel J. Fisch
X-ray radiography of inertial confinement fusion plasmas is currently limited to several-micron resolution by geometric blur, diffraction, and photon-throughput tradeoffs. We propo…
Nonlinear Compton scattering in a frequency-modulated field
Antonino Di Piazza, Kenan Qu
When an electron is accelerated, it emits radiation. In the relativistic quantum realm the elementary radiation process is the emission of a single photon, a process known as nonli…
Detecting Solenoidal Plasma Turbulence via Laser Polarization Rotation
Kenan Qu, Nathaniel J. Fisch
Recent theoretical studies suggest that solenoidal turbulence can significantly enhance fusion reactivity, yet no standard diagnostic exists to directly measure these solenoidal fl…
Control of nonlinear Compton scattering in a squeezed vacuum
A. Di Piazza, K. Qu
Electromagnetic radiation by accelerated charges is a fundamental process in physics. Here, we introduce a quantum-optical framework for controlling the emission of radiation of an…
Ultra-strong Quantum Squeezing Mediated by Plasma Waves
Kenan Qu, Nathaniel J. Fisch
Quantum squeezed states enable precision measurements beyond the standard quantum limit, but conventional solid-state media fundamentally limit pump intensities to the ionization t…