Reconfigurable non-blocking four-port optical router based on microring resonators

Area of Science:

• Photonics and Optical Engineering
• Integrated Optics
• Telecommunications

Background:

• Optical routers are crucial for high-speed data communication networks.
• Existing optical switching technologies face challenges in terms of size, power consumption, and scalability.
• The development of compact and efficient optical switching devices is essential for next-generation networks.

Purpose of the Study:

• To demonstrate a reconfigurable non-blocking four-port optical router with minimal optical switches.
• To investigate the performance of microring resonators for optical routing applications.
• To evaluate the data transmission capacity and energy efficiency of the proposed optical router.

Main Methods:

• Utilized microring resonators tuned via the thermo-optic effect for optical switching.
• Implemented a four-port router architecture with a reduced number of optical switches.
• Conducted high-speed data transmission tests at 25 Gbps across all optical links.
• Performed 8-channel wavelength division multiplexing (WDM) to enhance communication capacity.

Main Results:

• Achieved an optical signal-to-noise ratio of approximately 15 dB across nine routing states.
• Successfully demonstrated 25 Gbps data transmission on all 12 optical links.
• Implemented 8-channel WDM for expanded communication capacity.
• Reported an energy efficiency of 23 fJ/bit and a response time of approximately 25 μs.

Conclusions:

• The demonstrated microring resonator-based optical router is a promising solution for efficient and high-capacity optical communication.
• The device exhibits excellent performance in terms of data transmission speed, energy efficiency, and response time.
• This reconfigurable optical router architecture offers a scalable and effective approach for future optical networks.