Advanced Fiber Optic Topics, A Discussion

07/10/2000


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Table of Contents

Advanced Fiber Optic Topics A Discussion

Forces Driving Advances In Fiber Technology

What Equipment and Facilities are Required to Meet Demand?

What Techniques are Available Today to Meet Requirements?

Today’s Thinking, Alternative 1

But, Can the Present Fiber Plant Support the Higher Speeds?

What is the Fiber Plant Make-up?

What is Optical Return Loss?

Pictorial View of ORL

What is PMD?

PMD Phenomenon

Light Properties

Material Properties

Interaction Between Light and Material

PMD Phenomenon

Other Factors for Alternative 1, Higher Speed Transmission

New Fiber Development

Today’s Thinking, Alternative 2

What is a WDM?

What is DWDM?

Typical DWDM Optical Spectrum

What is an EDFA?

Generalities for WDM, DWDM High Speed Transport

Generalities for WDM, DWDM High Speed Transport (cont.)

Review of Phenomena Limiting Transmission

What Must Be Done To Support New Technology?

What Measurements are Important?

PPT Slide

Standards Activities Specifications

Digital Transmission: PMD Effects

Measurement of PMD on different fibers in a cable

Today’s Tools For Optical Measurements

Today’s Tools for Measuring PMD

Today’s Tools for Measuring the 1550 Optical Spectrum, WDM

What Are Rules of Thumb For Measurement Values?

What Does This All Mean?

My Thoughts

My Thoughts

Summary

Author:Stan Kubota

Email:spkub@earthlink.net