Simulation of reconfigurable double-input optical gates based on a microring flower-like structure. part I. basic...

Area of Science:

• Photonics and Optical Engineering
• Nonlinear Optics
• Integrated Optics

Background:

• Microring resonators (MRRs) are fundamental components in integrated photonics.
• All-optical switching offers advantages over electronic switching for high-speed data processing.
• Nonlinear optical effects in MRRs enable advanced functionalities like all-optical switching.

Purpose of the Study:

• To simulate and analyze nonlinear microring resonators (MRRs) in a flower-like structure for all-optical switching applications.
• To investigate the modulation of MRRs using an optical pump beam for dynamic wavelength shifting.
• To explore the potential of this structure for creating reconfigurable all-optical logic gates.

Main Methods:

• Simulation and general analysis of nonlinear microring resonators (MRRs).
• Modulation of MRRs using an optical pump beam (green laser) to induce carrier injection.
• Analysis of temporal shifts in MRRs' resonance wavelengths due to refractive index changes.

Main Results:

• Demonstrated that nonlinear MRRs in a flower-like structure can function as all-optical switches.
• Achieved temporal shifts in resonance wavelengths via carrier-induced refractive index modulation.
• Showcased the potential for reconfigurable logic gates with high extinction ratios.

Conclusions:

• The proposed flower-like nonlinear microring resonator structure is suitable for all-optical switching.
• This configuration enables the design of reconfigurable all-optical logic gates for optical integrated circuits.
• The integration capability and high extinction ratio highlight the practical utility of this design.