Efficient coupling into and out of high-Q resonators

Area of Science:

• Photonics and Optical Engineering
• Resonator Design
• Electromagnetics

Background:

• High-quality factor resonators are crucial components in various photonic devices.
• Designing such resonators often involves complex simulations and significant computational resources.
• Efficient methods are needed to optimize resonator performance for specific applications.

Purpose of the Study:

• To apply the temporal-coupled-mode theory for designing high-quality factor resonators.
• To demonstrate a computationally efficient method for determining device transmission properties.
• To illustrate the practical application of this analysis in designing photonic devices.

Main Methods:

• Direct application of temporal-coupled-mode theory.
• Calculation of resonator decay rates to predict transmission properties.
• Analysis focused on minimizing computational effort for rapid optimization.

Main Results:

• The decay rate analysis provides a computationally inexpensive way to determine device transmission properties.
• Optimal device parameters can be identified rapidly using this approach.
• The method is validated through its application to a wavelength filter and a resonator crossing.

Conclusions:

• Temporal-coupled-mode theory offers an efficient pathway for designing high-quality factor resonators.
• Decay rate analysis is a powerful tool for quick optimization of photonic device parameters.
• This approach facilitates the rapid development of devices like wavelength filters and resonator crossings.