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Raman mediated all-optical cascadable inverter using silicon-on-insulator waveguides
Optics Letters
|November 28, 2013
Summary
We developed an all-optical logic inverter using stimulated Raman scattering for integrated circuits. This design is cascadable and maintains noise margin for reliable performance in optical computing.
Area of Science:
- Photonics
- Optical Computing
- Integrated Optics
Background:
- Traditional electronic circuits face limitations in speed and power consumption.
- Optical circuits offer potential for faster and more energy-efficient computation.
- Stimulated Raman scattering (SRS) provides a nonlinear optical effect suitable for device implementation.
Purpose of the Study:
- To propose and analyze an all-optical logic inverter circuit.
- To investigate the cascadability and noise margin of the proposed inverter.
- To evaluate the performance of the optical inverter under varying input conditions.
Main Methods:
- Design of an all-optical inverter using stimulated Raman scattering.
- Analysis of inverter cascadability using a maximum product criteria for noise margin.
- Study of noise margin variations with different model parameters.
- Time-domain response analysis for different input pulse widths.
Main Results:
- Demonstration of a cascadable and integrable all-optical logic inverter.
- Identification of key parameters influencing the noise margin.
- Analysis of the inverter's time-domain behavior, showing response to different input pulse widths.
Conclusions:
- The proposed all-optical inverter based on SRS is a viable component for integrated optical circuits.
- The cascadability and noise margin are critical for reliable optical logic operations.
- Further analysis confirms the potential for high-speed optical signal processing.
