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Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

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Describing functions for nonlinear optical systems.

|February 12, 2008

Summary

This summary is machine-generated.

This study introduces describing functions for analyzing nonlinear optical systems, similar to transfer functions for linear systems. Two optical systems are proposed to measure the magnitude of these nonlinear describing functions.

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Last Updated: Jul 7, 2026

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Area of Science:

Nonlinear Optics
System Analysis

Background:

Describing functions are valuable for analyzing and designing nonlinear systems.
Characterizing linear optical processors uses coherent transfer functions or optical transfer functions.

Purpose of the Study:

To propose the use of describing functions for nonlinear optical processing systems.
To adapt the concept of describing functions for optical system analysis.

Main Methods:

Applying the concept of describing functions to nonlinear optical systems.
Developing coherent optical systems for measurement.

Main Results:

The describing function can characterize nonlinear optical processors.
Two coherent optical systems are suggested for measuring the magnitude of the describing function.

Conclusions:

Describing functions offer a method for analyzing nonlinear optical processing.
The proposed optical systems enable the measurement of nonlinear system behavior.