Low-frequency squeezing spectrum of a laser drivenpolar quantum emitter

TL;DR

This paper investigates the low-frequency squeezing spectrum of a laser-driven polar quantum emitter, demonstrating that fluorescence can be squeezed and that using a squeezed vacuum reservoir can enhance this squeezing.

Contribution

It provides a theoretical analysis of squeezing in the fluorescence spectrum and shows how a squeezed vacuum reservoir can improve squeezing levels.

Findings

Fluorescence emitted by the polar quantum emitter exhibits squeezing.

Damping with a squeezed vacuum reservoir can increase squeezing.

The study offers insights into controlling quantum light emission.

Abstract

It was shown by a study of the incoherent part of the low-frequency resonance fluorescence spectrum of the polar quantum emitter driven by semiclassical external laser field and damped by non-squeezed vacuum reservoir that the emitted fluorescence field is squeezed to some degree nevertheless. As was also found, a higher degree of squeezing could, in principle, be achieved by damping the emitter by squeezed vacuum reservoir.