'Chromatic dispersion' diaporamas de présentation

ONS 15454 MSTP DWDM Networking Primer October 2003

ONS 15454 MSTP DWDM Networking Primer October 2003. Introduction Optical Fundamentals Dense Wavelength Division Multiplexing (DWDM). Agenda. Optical Fundamentals. Some terminology. Decibels (dB): unit of level (relative measure)

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Outline: Fibre and fibercharacteristics Transmitters Modulation Receivers Passive couplers

Outline: Fibre and fibercharacteristics Transmitters Modulation Receivers Passive couplers Filters Transmission systems and optical networks. Optical fibre, characteristic. Large bandwidth (theoretical 50 THZ) Low attenuation (0,2 dB/km at 1550nm).

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Phase velocity

Phase velocity. Phase and group velocity. Group velocity. Fiber Attenuation. Fiber Attenuation. Fiber Attenuation. Variation N and n with wavelength. Variation N and n with wavelength. Dispersion.

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Optical Networking Basic Engineering, Architectures, and Strategies . (Take 2)

Optical Networking Basic Engineering, Architectures, and Strategies . (Take 2). Tutorial Presented at the Internet2 Joint Techs Conference February 5, 2003. Mark Johnson Mj@ncren.net. Jerry Sobieski Jerrys@maxgigapop.net. WARNING!!! Do not gaze into fiber with remaining eye!.

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OUTLINE

OUTLINE. INTRODUCTION POLARIZATION MOD. / POL./DIFF. DETECTION DUOBINARY POLSK: FIBER NONLINEARITIES ROBUSTNESS DPSK-POLSK: EXPLOITING ABSOLUTE/RELATIVE PHASE CONCLUSIONS. OUTLINE. INTRODUCTION POLARIZATION MOD. / POL./DIFF. DETECTION DUOBINARY POLSK: FIBER NONLINEARITIES ROBUSTNESS

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Outline

Outline. History of lightwave undersea cable systems Optical amplifier technologies Examples of lightwave undersea cable networks TPC-5CN APCN FLAG JIH Future technologies WDM Optical Soliton. Transmission capacity of the undersea cable systems in the Pacific ocean.

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Intelligent Network Investment & Growth Begins With Fiber Characterization

Intelligent Network Investment & Growth Begins With Fiber Characterization. Dave Hawkins, Senior Director of Professional Services Jake Sentlingar, Senior Network Architect Fujitsu Network Communications. Agenda. Fiber Characterization Overview Dave Hawkins

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Overview

Parallel Optical All Pass Filter Equalisers and Implementation by Wisit Loedhammacakra Supervision team Dr Wai Pang Ng Prof R. Cryan Prof. Z. Ghassemlooy Northumbria Communication Research Laboratories (NCRL) Northumbria University 13 th June 2007. Overview. Long-haul communication systems

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Chromatic D ispersion .

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.

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Compatibility of multivendor Dense Wavelength Division Multiplexing System

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Fig. 13-1: Performance-measurement parameters

Fig. 13-1: Performance-measurement parameters. Fig. 13-7: OTDR operation. Fig. 13-9: Cutback technique. Fig. 13-10: Launch effects. Fig. 13-11: Insertion-loss technique. Fig. 13-12: Pulse-dispersion measurement. Fif. 13-13: Pulse-shape parameters. Fig. 13-14: Fiber frequency response.

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Introduction to Light Dispersion

Introduction to Light Dispersion. By Lim Jerome (2O2)22. Light- A wave motion and contains many different wavelengths which represent the different colours Dispersion- The way light is split up into the different colours (When entering a different medium). Dispersion of Light.

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IP over DWDM

IP over DWDM. NANOG May 24, 1999. Larry McAdams lmcadams@cisco.com. Outline. Optical Transmission Fundamentals DWDM Systems IP over DWDM. Its Analog Transmission. Attenuation. Dispersion. Nonlinearity. Reflectance. Transmitted data waveform. Waveform after 1000 km.

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New functionalities for advanced optical interfaces ( Dispersion compensation)

New functionalities for advanced optical interfaces ( Dispersion compensation). Kazuo Yamane Photonic systems development dept. Outline. Chromatic dispersion effect Dispersion compensating techniques Optimization of residual dispersion or its map PMD compensation Conclusions.

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Array Waveguide Gratings (AWGs)

Array Waveguide Gratings (AWGs). Optical fiber is a popular carrier of long distance communications due to its potential speed, flexibility and reliability. Attenuation and dispersion problems in fiber, which limit the practical speed and distance of communications, were partially resolved.

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Streaming Consciousness on Fiber Testing Quilt Meeting June 22, 2004

Streaming Consciousness on Fiber Testing Quilt Meeting June 22, 2004. Jerry Sobieski Mid-Atlantic Crossroads. Fiber Testing. Perspective! Fiber is just one part of overall system Modulation rates Laser characteristics Receiver characteristics Distance requirements

172 views • 7 slides