Polarization-engineered photon statistics and its tomography via optomagnonic interaction

Area of Science:

• Cavity optomagnonics
• Quantum optics
• Photon statistics

Background:

• Cavity optomagnonics is a growing research field, driven by coherent magnetic Brillouin light scattering in ferromagnetic materials.
• Understanding and controlling photon statistics are crucial for quantum technologies.

Purpose of the Study:

• To theoretically propose and numerically verify a scheme for full polarization tomography of photon statistics.
• To explore the generation of sub- and super-Poissonian photon statistics in an optomagnonic microresonator system.

Main Methods:

• Utilizing a whispering-gallery-mode microresonator system in the weak-coupling regime.
• Implementing polarization pre- and post-selections to manipulate input and output photon polarization states.
• Analyzing photon statistics through quantum interference effects and phase delay variations.

Main Results:

• Selective generation of rich sub- and super-Poissonian photon statistics via quantum interference.
• Observation of a transition from photon bunching to antibunching, indicating a shift from phase to amplitude squeezing.
• Demonstration of tunable quantum polarized light generation.

Conclusions:

• The proposed scheme offers a feasible method for full polarization tomography of photon statistics in cavity optomagnonics.
• Results highlight potential applications in developing tunable quantum polarized light sources on micro-nano scale platforms.
• Provides deeper insights into the field of quantum cavity optomagnonics.