chromatic d ispersion
DESCRIPTION
Chromatic D ispersion. http://www.porta-optica.org. What is dispersion?. Effects of dispersion. Overview. Differential delay. Increased Bit Error Rate. Types of dispersion. Types of dispersion. Chromatic Dispersion Definition. Chromatic Dispersion Definition. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/1.jpg)
ChromaticChromatic DDispersionispersion
.
http://www.porta-http://www.porta-optica.orgoptica.org
![Page 2: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/2.jpg)
What is dispersion?
![Page 3: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/3.jpg)
Effects of dispersion
![Page 4: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/4.jpg)
OverviewOverview
![Page 5: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/5.jpg)
Differential delay
![Page 6: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/6.jpg)
Increased Bit Error Rate
![Page 7: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/7.jpg)
Types of dispersion
![Page 8: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/8.jpg)
Types of dispersion
![Page 9: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/9.jpg)
Chromatic Dispersion Definition
![Page 10: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/10.jpg)
Chromatic Dispersion Definition
![Page 11: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/11.jpg)
The cause ofChromatic Dispersion
![Page 12: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/12.jpg)
Dispersion by design
![Page 13: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/13.jpg)
Fibers type
![Page 14: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/14.jpg)
Optical Fibers: Attenuation & Dispersion
![Page 15: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/15.jpg)
Why is measuring Dispersion so Why is measuring Dispersion so important?important?
![Page 16: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/16.jpg)
Dispersion compensationDispersion compensation
![Page 17: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/17.jpg)
Dispersion compensation for DWDM
![Page 18: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/18.jpg)
CD management
Prevention:
1. Compensation:
- Fibers DCF & RDF,
- Bragg Gratings technique.
2. Decreasing impulse spectral width:
- external modulation,
- pulse shaping of current modulation.
3. Soliton transmission.
![Page 19: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/19.jpg)
![Page 20: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/20.jpg)
CD compensation
D1L1 - DkLk=0,
Dispersion [ps/nm]
L [km]200 400 600 800
400
600
800
200
1000
NZDSFDCF
![Page 21: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/21.jpg)
![Page 22: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/22.jpg)
Managing Chromatic Dispersion
![Page 23: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/23.jpg)
Dispersion Compensation MethodBragg gratings
![Page 24: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/24.jpg)
Dispersion Compensation MethodBragg gratings
![Page 25: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/25.jpg)
Fiber Dispersion Characteristics
![Page 26: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/26.jpg)
Dispersion compensation for DWDM
![Page 27: Chromatic D ispersion](https://reader035.vdocuments.site/reader035/viewer/2022062221/568134c5550346895d9be982/html5/thumbnails/27.jpg)
References
http://www.porta-http://www.porta-optica.orgoptica.org
Reichle & De-Massari