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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

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Published on: August 5, 2013

Optical mode conversion in coupled Fabry-Perot resonators.

Mark Stone, Aziza Suleymanzade, Lavanya Taneja

|December 28, 2020

Summary

This summary is machine-generated.

Researchers developed a new method for efficient optical mode conversion using tunable impedance mismatch in coupled resonators. This technique allows precise control over optical fields for advanced communication and photonics applications.

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Area of Science:

Photonics and Optical Engineering
Quantum Information Science
Classical Communication Systems

Background:

High-bandwidth communication demands efficient low-loss conversion between optical modes.
Controlling spatial and temporal properties of optical fields is crucial for advanced applications.
Coupled resonators offer a platform for manipulating light but require precise control mechanisms.

Purpose of the Study:

To explore tunable impedance mismatch in coupled Fabry-Perot resonators for optical mode manipulation.
To demonstrate frequency-dependent impedance matching for tunable resonator finesse.
To achieve coherent spatial mode conversion of optical photons with high efficiency.

Main Methods:

Utilized tunable impedance mismatch between coupled Fabry-Perot resonators.
Implemented frequency-dependent impedance matching for single-mode resonators.
Introduced spatial dependence of impedance mismatch for multimode conversion.
Experimentally demonstrated a tunable finesse resonator and an optical mode converter.

Main Results:

Achieved tunable optical resonator finesse over a decade.
Demonstrated optical mode conversion with efficiency exceeding 75% for the first six Hermite-Gauss modes.
Showcased near-unity efficiency for coherent spatial mode conversion.
Validated the effectiveness of tunable impedance mismatch for optical field manipulation.

Conclusions:

Tunable impedance mismatch is a powerful tool for manipulating optical fields in coupled resonators.
This approach enables efficient optical mode conversion and tunable resonator finesse.
The findings have significant implications for micro- and nano-photonics and inverse design.