In this video, i have covered Figure of Merits of Photo Detector with following outlines.
1. Photo Diode
2. Photo Detector
3. Figure of Merits of Photo Detector
Here, Figure of Merits of Photo Detector includes following parameters:
1. Responsivity
2. Quantum Efficiency
3. Dark Current
Chapter-wise detailed Syllabus of the Optical Fiber Communication Course is as follows:
Chapter-1 Introduction to Optical communication system: • Introduction to Optica...
Historical development of optical fiber communication (1G, 2G, 3G, 4G & 5G), Need of fiber optic communication system, Comparison of fiber optic communication system with copper wire communication system, Block diagram and working of fiber optic communication system.
Chapter-2 Optical Fiber: • Optical Fiber
Basics & structure of optical fibers, comparison of step index optical fiber and graded index optical fiber, single mode optical fiber and multi mode optical fiber, Comparison of Multimode step index fiber and Multimode graded index fiber, Refractive index of fiber, Refraction and Reflection of ray, Total internal reflection & critical angle, Snell's Law, Optical Fiber mode theory, Acceptance angle and Numerical Aperture, Normalized frequency, Relationship in between number of modes and normalized frequency, acceptance angle & critical angle, Ray Optics representation.
Chapter-3 Optical Fiber Fabrication: • Fiber Fabrication
Optical Fiber Fabrication, OVPO, VAD, MCVD, PCVD, Photonic Crystal Fiber PCF, Double Crucible Method, Fiber Materials.
Chapter-4 Transmission Characteristics of Optical Fiber: • Transmission Character...
Windows and spectral bands, Digital Transmission Hierarchy, Phase velocity and Group velocity in optical fiber, History of Attenuation in optical communication, Attenuation of signal, Material Absorption in optical fiber cable, Fiber Bending Losses, Scattering Losses in Optical fiber cable, Dispersion Losses in Optical fiber.
Chapter-5 Optical Sources, #LED, #LASER: • Optical sources, #LED,...
LED - Light Emitting Diode, Parameters of LED (Characteristics of LED, Quantum Efficiency of LED, Protection of LED, Effect of temperature & Irradiance of LED), LED Structure, Planar LED, Surface Emitting LED, Edge Emitting LED, Examples on LED, Comparison of LED and LASER, LASER, Mode Hopping of LASER, Frequency Chirps of LASER, Fabry Parot LASER, Distributed feedback LASER, Power Launched by LED in Step index Fiber, Power Launched by LED in Graded Index Fiber.
Chapter-6 Optical Connector: • Optical Connector
Lensing schemes of optical fiber, Fiber to fiber joint losses, Fiber Splicing, Optical fiber connector, Equilibrium Numerical Aperture.
Chapter-7 Optical Detector: • Optical Detector
Photo Diode, Figure of Merits of Photo diode (Quantum efficiency of photo diode, Responsivity of photo diode & Dark Current of Photo Diode), PIN Photo diode, Avalanche Photo diode, Comparison of PIN photo diode & Avalanche photo diode, Eye Diagram, Receiver Performance.
Chapter-8 Optical Link Budget: • Optical Link Budget
Point to point link of optical fiber communication system, Link power budget analysis of optical fiber system, Link power budget analysis, Rise time budget analysis.
Chapter-9 Optical Amplifier: • Optical Amplifier
Optical Amplifier, Semiconductor Optical Amplifier, EDFA - Erbium Dopped Fiber Amplifier, Raman Amplifier.
Chapter-10 Optical Components: • Optical Components
Optical Couplers, Parameters of optical couplers (Optical splitting, Excess loss, Insertion loss & cross talk), Optical Isolator, Optical Circulator, OADM - Optical Add Drop Multiplexer.
Chapter-11 Optical Network/ Optical Fiber Systems: • Optical Network / Opti...
WDM, DWDM, SONET/SDH.
Chapter-12 Optical Measurements: • Optical Measurement
OTDR, Dispersion Measurement, Eye Diagram.
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Optical fiber communication.
#Responsivity #QuantumEfficiency #DarkCurrent #OpticalFiberCommunication