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Dynamically tuned coupled-resonator delay lines can be nearly dispersion free
Sunil Sandhu1, M L Povinelli, M F Yanik
1Ginzton Laboratory, Stanford University, Stanford, California 94305, USA.
Optics Letters
|June 14, 2006
Summary
We demonstrate how to stop light indefinitely in coupled-resonator delay lines by tuning the system to a zero-bandwidth state, achieving minimal signal dispersion. This light-stopping method offers precise control over optical signals.
Area of Science:
- Photonics
- Optical Engineering
- Applied Physics
Background:
- Dynamically tuned coupled-resonator systems are crucial for controlling light propagation.
- Dispersion effects in optical delay lines limit signal integrity and processing capabilities.
Purpose of the Study:
- To investigate and mitigate dispersion effects in dynamically tuned, coupled-resonator delay lines.
- To present a theoretical framework for achieving indefinite light delay with minimal dispersion.
Main Methods:
- Theoretical analysis of coupled-resonator systems.
- Numerical simulations to verify the proposed light-stopping mechanism.
- System tuning to a zero-bandwidth state.
Main Results:
- Indefinite signal delay is achievable in coupled-resonator delay lines when tuned to a zero-bandwidth state.
- Near-zero dispersion is maintained for the delayed signal.
- The theoretical model is validated through numerical simulations.
Conclusions:
- A method for achieving 'light-stopping' with minimal dispersion in coupled-resonator delay lines has been demonstrated.
- This technique offers potential for advanced optical signal processing and storage applications.