OOK generation based on MZI incorporating a pumped nonlinear ring resonators system.

Area of Science:

• Photonics and Optical Communications
• Nonlinear Optics
• Integrated Photonics

Background:

• Existing on-off keying (OOK) techniques have limitations in signal generation and modulation.
• Mach-Zehnder Interferometers (MZIs) are fundamental components in optical signal processing.
• Nonlinear optical effects in ring resonators offer potential for advanced modulation schemes.

Purpose of the Study:

• To investigate nonlinear light pulse propagation within a Mach-Zehnder Interferometer (MZI).
• To achieve on-off keying (OOK) signal generation using an MZI integrated with pumped nonlinear ring resonators.
• To explore advanced modulation schemes, including all-optical OOK and phase shift control for phase-shaped binary transmission (PSBT).

Main Methods:

• Analysis of phase modulation principles in an MZI incorporating triple nonlinear ring resonators.
• Detailed discussion of all-optical OOK generation.
• Investigation of phase shift control for phase-shaped binary transmission (PSBT).

Main Results:

• Demonstration of nonlinear light pulse propagation within the MZI system.
• Successful generation of OOK signals through the integrated nonlinear ring resonators.
• Achieved extended switching generation capabilities within the MZI.

Conclusions:

• The proposed MZI system with nonlinear ring resonators effectively extends existing on-off keying (OOK) techniques.
• This integrated approach enables practical all-optical OOK generation and advanced phase modulation.
• The findings pave the way for enhanced optical communication systems with improved switching generation.