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Updated: Aug 23, 2025
10:26
Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
11.4K
Non-local scattering control in coupled resonator networks.
Optics Express
|October 27, 2022
Summary
We control light wave packet propagation in coupled resonator optical waveguides (CROW) using an external resonator. This enables novel functionalities like light trapping and non-local interferometry.
Area of Science:
- Quantum optics
- Solid-state physics
- Nanophotonics
Background:
- Coupled resonator optical waveguides (CROW) are key for controlling light propagation.
- External resonators offer tunable coupling for advanced optical functionalities.
Purpose of the Study:
- To demonstrate scattering control of wave packets in CROW using an external resonator.
- To explore novel light manipulation phenomena such as trapping and splitting.
Main Methods:
- Analytical calculations using waveguide quantum electrodynamics.
- Standard scattering methods for reflectance and transmittance.
- Numerical simulations for validation.
- Engineering external resonator configurations coupled to CROW.
Main Results:
- Achieved scattering control of Gaussian-like wave packets with constant velocity and invariant waist.
- Analytical and approximate results show good agreement with numerical simulations.
- Demonstrated light trapping with exponential decay, wave packet splitting, and non-local Mach-Zehnder interferometry.
Conclusions:
- External resonators provide effective control over light propagation in CROW systems.
- The demonstrated phenomena open avenues for novel photonic devices and quantum information processing.
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