研究目的
Investigating a new switching modality based on total internal reflection (TIR) and frustrated-TIR (F-TIR) using a silicon actuated cantilevered waveguide tip for high-speed digital operation with low actuation voltages, low optical insertion and polarization losses, broadband operation, and scalability to high port counts.
研究成果
The presented switching concept based on TIR and F-TIR using a MEMS movable waveguide offers a promising solution for large-scale photonic switches in data center networks, with potential for high-speed digital operation, low actuation voltages, and scalability to high port counts.
研究不足
The technical constraints include the need for precise actuation to achieve high extinction switching and the potential for incomplete contact due to roughness affecting the F-TIR process.
1：Experimental Design and Method Selection:
The design involves a MEMS movable waveguide compatible with silicon photonics technology, utilizing TIR and F-TIR principles for switching.
2：Sample Selection and Data Sources:
The waveguide is made of silicon, with the waveguide tip terminated at an angle of 45o.
3：5o. List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Silicon photonics platform, MEMS electrostatic actuators.
4：Experimental Procedures and Operational Workflow:
Light is introduced in an input waveguide, with the waveguide tip actuated in-plane to one side or the other, making physical contact at either end for TIR or F-TIR.
5：Data Analysis Methods:
FDTD simulations were performed to identify the motion range required for high extinction switching.
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