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Fiber Optics

Fiber Optics. Instructor: Dr. Vipul Rastogi, Department of Physics, IIT Roorkee. The course is aimed at equipping the undergraduate Engineering and Physics students with the basic understanding of optical fibers and optical fiber communication. The course provides knowledge of optical fiber waveguide at fundamental level, essentials of an optical fiber communication system and understanding of various components of an optical fiber telecommunication system. (from nptel.ac.in)

Lecture 01 - Introduction

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Lecture 01 - Introduction

Lecture 02 - Need for Optical Communication

Lecture 03 - Salient Features of Optical Fiber I: Ray Theory of Light Guidance

Lecture 04 - Salient Features of Optical Fiber II: Wave Theory of Light Guidance

Lecture 05 - Optical Fiber Fabrication

Lecture 06 - Transmission Characteristics I: Optical Signal Attenuation in an Optical Fiber

Lecture 07 - Transmission Characteristics II: Intermodal Dispersion in an Optical Fiber

Lecture 08 - Transmission Characteristics III: Material Dispersion in an Optical Fiber

Lecture 09 - Light Propagation in an Infinitely Extended Dielectric Medium

Lecture 10 - EM Waves in Dielectrics

Lecture 11 - Electromagnetic Analysis of Waveguides I: Planar Optical Waveguides, Planar Mirror Waveguide

Lecture 12 - Electromagnetic Analysis of Waveguides II: Modes, Step-index Planar Waveguide

Lecture 13 - Electromagnetic Analysis of Waveguides III: Symmetric and Antisymmetric Modes

Lecture 14 - Electromagnetic Analysis of Waveguides IV: b-V Curves, Modal Fields

Lecture 15 - Electromagnetic Analysis of Waveguides V: Model Fields (cont.)

Lecture 16 - Electromagnetic Analysis of Waveguides VI: Power associated with Modes

Lecture 17 - Electromagnetic Analysis of Waveguides VII: Asymmetric Planar Waveguide

Lecture 18 - Electromagnetic Analysis of Waveguides VIII: Asymmetric Planar Waveguide (cont.)

Lecture 19 - Optical Fiber Waveguide I: TE/TM and EH/HE Modes, Weakly Guiding Fibers, Step-index Fiber

Lecture 20 - Optical Fiber Waveguide II: Eigenvalue Equation for LP Modes, b-V Plots

Lecture 21 - Optical Fiber Waveguide III: Modal Fields of an Optical Fiber

Lecture 22 - Optical Fiber Waveguide IV: Fractional Power in the Core, Cut-off Wavelength

Lecture 23 - Optical Fiber Waveguide V: Petermann Spot Sizes, Bend Loss of a Single Mode Fiber

Lecture 24 - Splice Loss

Lecture 25 - Waveguide Dispersion I

Lecture 26 - Waveguide Dispersion II: Total Dispersion in a Single Mode Fiber

Lecture 27 - Recap: Propagation Characteristics

Lecture 28 - Optical Fiber Components and Devices I

Lecture 29 - Optical Fiber Components and Devices II: Applications of Directional Coupler

Lecture 30 - Optical Fiber Components and Devices III: Fiber Gratings, Fiber Bragg Grating

Lecture 31 - Optical Fiber Components and Devices IV: Fiber Bragg Gratings, Long Period Gratings

Lecture 32 - Optical Fiber Components and Devices V: Pulse Shaping Devices in a Fiber Link

Lecture 33 - Optical Sources and Detectors I: Optical Communication, Semiconductor Optical Sources

Lecture 34 - Optical Sources and Detectors II: Semiconductor Optical Sources, Light Emitting Diode

Lecture 35 - Optical Sources and Detectors III: Light Emitting Diode (cont.), Laser Diode

Lecture 36 - Optical Sources and Detectors IV: Laser Diode (cont.)

Lecture 37 - Optical Sources and Detectors V: Photodetectors

Lecture 38 - System Design Aspects

Lecture 39 - Optical Fiber Measurements

Lecture 40 - Summary and Recent Advances