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Mode cycling in microring optical resonators.

Shayan Mookherjea¹

¹Electrical and Computer Engineering, M/C 0407, University of California, San Diego, La Jolla, California 92093, USA. mookherjea@ece.ucsd.edu

|October 29, 2005

Summary

Researchers demonstrate mode cycling for sequential population transfer in coupled microring resonators. This novel approach in electromagnetic resonators achieves over 30 dB extinction for applications in lasers and sensors.

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Area of Science:

Optics and Photonics
Quantum Physics
Materials Science

Background:

Electromagnetic resonators are crucial for fundamental physics and practical devices like lasers and sensors.
Coupled-eigenmode systems can involve multiple modes within one resonator or coupling between multiple resonators.

Purpose of the Study:

To demonstrate mode cycling as a method for sequential population transfer in coupled resonators.
To fabricate and characterize a coupled polymeric microring resonator interferometer based on this principle.

Main Methods:

Utilized coupled multiple-eigenvalue resonators to achieve mode cycling.
Fabricated and characterized a polymeric microring resonator interferometer device.

Main Results:

Successfully demonstrated the principle of mode cycling for sequential population transfer.
The fabricated device achieved greater than 30 dB extinction.
The device exhibited a loaded quality factor (Q) of approximately 5.5 x 10^3.

Conclusions:

Mode cycling offers a new paradigm for population transfer in coupled resonator systems.
The developed polymeric microring resonator interferometer shows promise for advanced optical device applications.

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