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Integrated nonlinear Mach Zehnder for 40 Gbit/s all-optical switching
Optics Express
|October 10, 2013
Summary
We demonstrate a new silicon Mach Zehnder device for ultrafast all-optical signal processing. This integrated nonlinear device operates at low power, enabling faster communication networks.
Area of Science:
- Photonics
- Integrated Optics
- Nonlinear Optics
Background:
- All-optical signal processing is crucial for high-speed communication networks.
- Integrated photonic devices offer miniaturization and scalability.
- Mach-Zehnder interferometers are fundamental optical components.
Purpose of the Study:
- To experimentally demonstrate a novel silicon-based fully integrated nonlinear Mach Zehnder device.
- To achieve ultrafast, low-power all-optical signal processing.
- To enable applications in high-density communication networks.
Main Methods:
- Utilizing a standard silicon waveguide as the nonlinear arm.
- Employing a large mode SU-8 waveguide as the linear arm.
- Introducing an intensity-dependent phase shift through asymmetric arm design.
Main Results:
- Successful experimental demonstration of the integrated nonlinear Mach Zehnder device.
- Achieved ultrafast operation in the picosecond regime.
- Confirmed low-power operational capabilities.
Conclusions:
- The developed device is suitable for ultrafast all-optical signal processing.
- The silicon-based integrated nonlinear Mach Zehnder device shows promise for future communication networks.
- This technology facilitates high-density optical data handling.
