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Multimode optical fibers: steady state mode exciter.

M Ikeda, A Sugimura, T Ikegami

|February 19, 2010

Summary

This summary is machine-generated.

A novel steady state mode exciter was developed for multimode graded index fibers. This device ensures consistent transmission characteristics by controlling the steady state mode power distribution, improving fiber optic performance.

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Area of Science:

Optics
Materials Science
Fiber Optics

Background:

Multimode graded index fibers are crucial for optical communication.
Variations in transmission characteristics can degrade signal quality.
Achieving a stable mode power distribution is essential for predictable fiber performance.

Purpose of the Study:

To develop and evaluate a simple and effective steady state mode exciter.
To measure the steady state mode power distribution in multimode graded index fibers.
To demonstrate the exciter's ability to prevent deviations in transmission characteristics.

Main Methods:

Fabrication of a steady state mode exciter using an etching technique.
Measurement of the steady state mode power distribution.
Evaluation of insertion loss with an injection laser.

Main Results:

A functional steady state mode exciter was successfully fabricated.
The exciter demonstrated a low insertion loss of 0.5 dB for an injection laser.
The device effectively controlled the steady state mode power distribution.

Conclusions:

The developed steady state mode exciter is effective for multimode graded index fibers.
Using this exciter prevents undesirable deviations in fiber transmission characteristics.
This technology enhances the reliability and performance of optical fiber systems.