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Photon transport enhancement through a coupled-cavity QED system with dynamic modulation
Optics Express
|March 18, 2022
Summary
Fast modulation of atom-cavity coupling controls light flow in optical cavities. This technique enhances light transmission, with peak shifts observed in coupled cavities due to delocalized fields.
Area of Science:
- Quantum Optics
- Cavity Quantum Electrodynamics (CQED)
Background:
- Photonic transport in optical cavities is crucial for quantum information processing.
- Controlling light propagation in such systems is essential for advanced applications.
Purpose of the Study:
- To investigate photonic transport dynamics in fiber optical cavities.
- To explore the effects of tunable fast modulation on light propagation.
- To analyze modulation-induced control over photonic transport in cavity arrays.
Main Methods:
- Utilizing a cavity quantum electrodynamics (CQED) system to induce tunable fast modulation.
- Modulating the atom-cavity coupling with bandwidth exceeding other system timescales.
- Analyzing photonic transmission spectra as a function of modulation frequency.
Main Results:
- Observed enhancement peaks in photonic transmission for single and coupled-cavity systems.
- Demonstrated control over photonic transport dynamics via fast modulation.
- Identified a shift in the enhancement peak position in coupled cavities, attributed to delocalized cavity fields.
Conclusions:
- Tunable fast modulation is an effective method for controlling photonic transport in optical cavities.
- The observed phenomena in coupled cavities highlight the influence of field delocalization on light propagation.
