6 Design of Integrated Optical Switches

High-speed, thin and small light modulators and optical switches are the key devices in optical interconnects and optical switching systems; they improve the computer processing speed and the communication capacity. The polymer multiple quantum dot (MQD) fabricated by molecular layer deposition (MLD) is a promising future material for integrated light modulators and optical switches.

Mach-Zehnder interferometer and directional coupler type light modulators and optical switches utilizing the electro-optic (EO) effect are well known. However, these devices are largely affected by temperature and processing accuracy for device fabrication since they are phase-sensitive devices; consequently, their large-scale ...

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