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The Importance of Optical Communication: Advantages and Key Components Explained

Optical communication is essential for modern data transmission, offering numerous advantages over traditional methods. Key benefits include reduced size and weight, lower material costs, high information capacity, freedom from electrical connections, elimination of electromagnetic interference, and enhanced security. Demand for optical technologies is rising with the need for broadband networks. Discover the various optical components such as fiber types, connectors, patchcords, WDMs, couplers, and attenuators. Stay ahead in the industry by understanding the latest trends and solutions in optical communication.

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The Importance of Optical Communication: Advantages and Key Components Explained

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  1. Why we need optical communication ? • Advantages: • A.Weight and size • B.Material cost • C.information capacity. • D.No Electrical connection • E.No Electromagnetic Interference • F.Better Security • Demand: • Broadband Back to Web

  2. Product introduce • Fiber • Connector/adapter • Patchcord /pigtail • WDM/Coupler • Attenuator Back to Web

  3. Product introduce: Fiber 50/125um 9/125um 62.5/125um Multimode Singlemode 250um 125um 9um Back to Web

  4. Connector/adapter: Back to Web • Conventional connector: • ST, FC, SC, Duplex • Angled FC, Angled SC • FDDI, ESCON • SMA, BICONIC, D4 SC FC ST FDDI MU D4

  5. Back to Web Connector/Adapter • New trend: Small Form Factor • MTP/MPO, FJ, SG (VF-45) • LC, MT-RJ • Mini-MT, Mini_MAC, SCDC Volition (VF-45) From the left: SCDC, LC, MT-RJ,Duplex SC, Volition Opti-Jack MT-RJ-AMP LC-Lucent New generation connectors– Let the market decide !

  6. Connector/Adapter: Ferrule polishing • PC polishing: Physical Contact • UPC polishing: Ultra Physical contact • APC polishing: Angled Physical contact • Back reflection ( return loss) • PC: 40dB • UPC: 55dB (Digital , CATV, Telephony system) • APC: 65~70dB (CATV, Analog system, reflection • sensitive) Back to Web

  7. Pathcord/Pigtail: • Singlemode: 9/125 fiber, 900um or 3mm yellow jacket • Multimode :50/125 or 625/125 fiber, 900 or 3mm orange jacket • Simplex: single cable with connector in two ends • Duplex: two cable parallel with connector in two ends. Back to Web

  8. WDM-Wavelength Division Multiplexers • 1310/1550nm WDM for communications (double the Bandwidth • Application: • WDM for Optical Amplifiers: • 980/1550 nm WDM (pump laser :980nm) • 1480/1550 nm WDM (pump laser:1550nm) MUX DEMUX 1310nm 1310nm WDM WDM 1550nm 1550nm

  9. Coupler: • Standard coupler: Narrow band ( +/- 10nm) • Wavelength-Flattened coupler (+/- 40nm) • (Single-window wideband) • Wavelength-independent Coupler (+/- 40nm) • (Dual-window wideband) P2 P1 50% Coupler 1310/1550 1310/1550 50% P4 P3

  10. Coupler: Optical Characteristics P2 P1r P1 Coupler 1310/1550 1310/1550 P3 P4 P2+P3 P1 P4 P1 dB Excess Loss: EL= -10 log Return Loss: BR= -10 log dB P2 P1 Insertion Loss: IL2= -10 log dB Uniformity: maximum difference of insertion loss between the output channels P2 P2+P3 Coupling Ratio:CR2= dB P1r P1 Directivity: D= -10 log dB Back to Web

  11. Attenuator: • Plug type: Attenuated fiber • Attenuated fiber: Metal-ion doped fiber. • Metal coating mirror . • In-line type: FBT Back to Web

  12. Fiberconnections Inc • The end • Thank you ! Back to Web

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