Pitchfork bifurcation and flip-flop operation with a coupled nonlinear system

Area of Science:

• Optics and Photonics
• Nonlinear Optics
• Optical Devices

Background:

• Ring cavity systems are fundamental in laser physics and optical signal processing.
• Michelson interferometers are widely used for precise measurements and optical switching.
• All-optical devices offer potential advantages in speed and bandwidth over electronic counterparts.

Purpose of the Study:

• To construct and investigate a coupled hybrid Michelson interferometer ring cavity system.
• To explore the phenomenon of spatial bifurcation within this optical system.
• To demonstrate the functionality of the system as an all-optical flip-flop device.

Main Methods:

• Construction of a ring cavity system comprising two coupled hybrid Michelson interferometers.
• Application of feedback mechanisms within the coupled interferometer system.
• Experimental demonstration of flip-flop operation using a single positive optical pulse.

Main Results:

• The constructed ring cavity system exhibited spatial bifurcation.
• Successful demonstration of an all-optical flip-flop operation was achieved.
• The device operated using only a positive input pulse, simplifying its control.

Conclusions:

• The coupled hybrid Michelson interferometer ring cavity system is a viable platform for all-optical switching.
• Spatial bifurcation is a key characteristic enabling the flip-flop functionality.
• This all-optical flip-flop device offers a promising approach for future optical computing and signal processing applications.