Boost Your Telecom Expertise with DWDM Technology

This course equips you with the knowledge and skills to navigate the world of Dense Wavelength Division Multiplexing (DWDM), a fundamental technology in modern telecommunications.

DWDM significantly expands the capacity of existing fiber optic networks, enabling them to transmit massive amounts of data.  Understanding DWDM is crucial for anyone working in telecommunications and information technology in Riyadh, a city experiencing a surge in data consumption.

Who Should Attend?

This course is designed for professionals in the telecommunications industry, including:

• Transmission engineers
• Network designers
• Operators
• Optical communications system installers
• Pre-sales engineers and consultants

Course Benefits

By the end of this program, you will be able to:

• Grasp the fundamental physics of optical transmission
• Gain in-depth knowledge of fiber optic characteristics and fiber optic links
• Explain how DWDM technology functions
• Master the various DWDM architectures and their components
• Identify real-world applications of DWDM
• Confidently design DWDM systems
• Analyze real-world case studies featuring the latest DWDM technologies

Contents:

Introduction & Fundamentals

• Basic Theories 
• Why Optics?
• Optical Signal Fundamentals 
• How the Fiber Optic Works?
• Fiber Optic Types & Standards
• Fiber Optic Connectors Types & Categories
• Fiber Optic Accessories 
• Optical Transceivers SFPs

Optical Physics / Link Characteristics

• Attenuation 
• Dispersion
• Insertion loss and reflection loss  
• Absolute Optical Power 
• Power Budget Calculation 
• Loss Budget Calculation 
• Fiber Optic Types, Choosing Proper Type 
• Metropolitan & Long Haul Networks  

Transmission Protocols 

• Introduction to SONET and SDH
• Advantages of SDH over old protocols 
• DM, PDH, and SDH
• SONET and SDH Hierarchy 
• Transport Hierarchy 
• SONET Protection Ring
• 2 Fibers and 4 Fibers
• OTN Protocol

Wavelength Division Multiplexing ( WDM ) 

• What is the Multiplexing and Why Multiplexing?
• Multiplexing Types 
• WDM, CWDM and DWDM
• Spectral Width
• Optical Windows

WDM site Components:

• Optical transponders.
• Optical filters.
• Solutions to overcome dispersion effect (DCM, coherent).

DWDM Architectures and Protection

• Unidirectional and Bi-directional DWDM
• Single Fiber Working 
• OADM & ROADM
• CDC
• The ITU G.692 Grid 
• Filter-less architecture
• Coherent DWDM
• Optical Cross-Connects (OXCs) 
• Light path Topology Design (LTD) 
• Routing & Wavelength Assignment (RWA), Graph coloring
• Optical protection, and reliability (MTBF, MTTR). 
• Optical control and management 
• Performance management, optical overhead.
• Optical Transport Network (OTN)

DWDM Passive Components 

• RC
• Splitter
• Diffraction Grating
• FBG
• Thin Film Filter 
• AWG
• Optical Isolator 
• Mach-Zehnder interferometer

Lasers 

• How Laser Works?
• LASERS Performance characteristics
• Laser Types
• Fiber Non-linearity 
• Mode-locked lasers
• Laser vs. LED

Detectors 

• How to Detect the Optical Signal?
• Types of Detectors
• Detectors Sensitivity
• Optical Wavelength Conversion

Optical Amplifier

• Repeater vs. Amplifier  
• Amplifier Locations
• 1R, 2R & 3R
• EDFA
• DRA

Optical Switching

• O-E-O & O-O-O
• MEMS
• Liquid Crystal Switches
• Electro-Optical Switches

Modulation

• Signal formats
• Subcarrier modulation
• Optical channel capacity
• Demodulation: Shot/thermal noise; ideal signal detection
• Optical signal-to-noise, bit error rate
• Inter-symbol Interference (ISI)
• Coherent detection
• Dispersion Compensation

Advanced Routing and Switching 

• WSS
• ASON
• GMPLS
• MPLS-TP

Hardware and Equipment Study Cases:

Ciena

• 6500 Platform
• 8180 Platform
• 5170 Platform
• Routing & Switching 
• PTS
• SFPs

Nokia

• 1830 Versatile WDM Module
• Optical Anyhaul
• Wavellite
• SFPs

Huawei

• Optix OSN 9800 
• 1830 Versatile WDM Module
• SFPs
• Review and Quiz 

In today's rapidly evolving telecommunications landscape, DWDM plays a critical role in ensuring efficient and high-capacity data transmission. This course equips you with the expertise to leverage DWDM technology and contribute to the growth of telecommunications infrastructure.