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AKTU Optical Communication (BEC057) Syllabus PDF – B.Tech 3rd Year
Optical Communication BEC057
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Official AKTU syllabus of Optical Communication (BEC057) for B.Tech 3rd Year – 3 credits, L-T-P 3-0-0. Read the unit-wise course content, course outcomes, evaluation pattern and recommended books online, or download the PDF.
Syllabus — Optical Communication
Download PDFBEC057 · 3 credits · L-T-P 3-0-0
| Unit | Topics | Lectures |
|---|---|---|
| I | Introduction to Optical Communication: Optical Spectral Band with Operating Windows, General Communication System, Optical Communication System with its advantages. Optical Fiber Waveguides: Ray Theory of Transmission with TIR, Acceptance Angle, Numerical Aperture and Skew Rays, Electromagnetic Mode Theory for Optical Propagation, Modes in a Planar Guide, Phase and Group Velocity, Phase Shift with Total Internal Reflection, Evanescent Field, Goos-Haenchen Shift, Cylindrical Fiber Modes, Mode Coupling, Step Index fibers Vs Graded Index fibers, Single Mode Fibers- Cut off wavelength, MFD & Spot Size. | 8 |
| II | Signal Loss in Optical Fibers: Attenuation, Material Absorption Losses (Intrinsic and Extrinsic absorption), types of Linear and Non-Linear Scattering Losses, Fiber Bending Losses, Kerr Effect. Dispersion: Introduction with its types: Chromatic / Intramodal Dispersion (Material and Waveguide Dispersion), Intermodal dispersion (for MSI and MGI fibers), Overall (Total) Fiber Dispersion in Multimode and Singe Mode Fiber, Dispersion Modified Single Mode Fibers, Polarization & Fiber Birefringence. | 8 |
| III | Optical Sources: LEDs-Introduction to LEDs & Materials used for fabrication, LED Power and Efficiency, LED Structures, LED Characteristics, Modulation Bandwidth. Laser Diodes-Introduction, Optical Feedback & Laser Oscillations, Resonant Frequencies, Laser Modes, and Threshold Condition for Laser Oscillation, Laser Diode Rate Equations, Semiconductor injection Laser- Efficiency, Laser Single Mode operation, Reliability of LED & ILD. | 8 |
| IV | Power Launching in Fiber: Source to Fiber Power Launching and Coupling Techniques, Power Launching Vs Wavelength, Equilibrium Numerical Aperture. Photo Detectors: Introduction, Physical Principles of Photodiodes: The PIN Photo Detector, Avalanche Photodiodes, Temperature Effect on Avalanche Gain, Detector Response Time, Photo Detector Noise: Noise Sources, Signal to Noise Ratio, Comparison of Photo Detectors, Fundamental Receiver Operation with Digital Signal Transmission. | 8 |
| V | Digital Receiver Performance: Probability of Error / BER, Receiver Sensitivity & The Quantum Limit, Error Control Techniques, Eye Diagram Pattern Features, Coherent Detection: Homodyne Detection and Heterodyne Detection, Digital links: Point to Point Links, Power Penalties, Multichannel & Multiplexing Transmission Techniques, basic concept of Free Space Optics (FSO) based Communication System. | 8 |
Text Books
- John M. Senior, “Optical Fiber Communications”, Pearson, 3rd Edition, 2010.
- Gerd Keiser, “Optical Fiber Communications”, McGraw Hill, 5th Edition, 2013.
- Govind P. Agrawal, “Fiber Optic Communication Systems”, John Wiley, 3rd Edition, 2004.
Course Outcomes
- Define and explain the basic concepts and theory of optical communication.
- Describe the signal losses with their computation and dispersion mechanism occurring inside the optical fiber cable.
- Differentiate the optical sources used in optical communication with their comparative study.
- Identify different optical components on receiver side; assemble them to solve real world problems related to optical communication systems.
- Evaluate the performance of an optical receiver to get idea about power budget and ultimately be an engineer with adequate knowledge in optical domain.
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