BECZ051 Optical Communication System Syllabus
AKTU B.Tech · 3rd Year · Unit-wise syllabus (effective 2024-25)
BECZ051 Optical Communication System (also written as KECZ051) is a subject in the 3rd year of the AKTU B.Tech programme, prescribed by Dr. A.P.J. Abdul Kalam Technical University. It carries 3 credits. The syllabus is divided into 5 units: Introduction to Optical Communication and Optical Fiber Waveguides, Signal Loss in Optical Fibers and Dispersion, Optical Sources, Power Launching in Fiber and Photo Detectors, Digital Receiver Performance. The complete unit-wise topic list, course outcomes and reference books are given below, taken from the official AKTU syllabus effective from 2024-25.
BECZ051 Subject Details
| Subject Code | BECZ051 / KECZ051 |
|---|---|
| Subject Name | Optical Communication System |
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU) |
| Course | B.Tech (Bachelor of Technology) |
| Year / Semester | 3rd Year |
| Credits | 3 |
| Total Units | 5 |
| Scheme Effective From | 2024-25 |
| Last Verified | 2026-08-19 |
BECZ051 Optical Communication System Unit-Wise Syllabus
Official AKTU syllabus (effective 2024-25) — 5 units.
Unit 1: Introduction to Optical Communication · Optical Fiber Waveguides
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.
Unit 2: Signal Loss in Optical Fibers · Dispersion
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.
Unit 3: Optical Sources
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.
Unit 4: Power Launching in Fiber · Photo Detectors
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.
Unit 5: Digital Receiver Performance
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.
BECZ051 Course Outcomes
- At the end of course, the student will be able to:
- CO 1 Define and explain the basic concepts and theory of optical communication. K1, K2
- CO 2 Describe the signal losses with their computation and dispersion mechanism occurring inside K2, K3
- the optical fiber cable.
- CO 3 Differentiate the optical sources used in optical communication with their comparative study. K2, K4
- CO 4 K2, K3
- Identify different optical components on receiver side; assemble them to solve real world
- problems related to optical communication systems.
- CO 5 Evaluate the performance of an optical receiver to get idea about power budget and ultimately K5
- Unit be an engineer with adequate knowledge in optical domain.
- 3L:0T:0P
BECZ051 Reference 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.
Frequently Asked Questions about BECZ051
What is the syllabus of BECZ051 Optical Communication System?
The AKTU BECZ051 Optical Communication System syllabus is divided into 5 units: Introduction to Optical Communication and Optical Fiber Waveguides; Signal Loss in Optical Fibers and Dispersion; Optical Sources; Power Launching in Fiber and Photo Detectors; Digital Receiver Performance. The complete topic list for each unit is published on this page, taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus effective from 2024-25.
How many units are there in BECZ051?
BECZ051 Optical Communication System has 5 units in the AKTU syllabus and 3 credits.
Is BECZ051 the same subject as KECZ051?
Yes. AKTU renumbered its B.Tech subject codes from the 2022-23 session onwards, so the same subject appears as BECZ051 and KECZ051 depending on the scheme year. The syllabus content is the same.
How many credits is BECZ051 worth?
BECZ051 Optical Communication System carries 3 credits in the AKTU evaluation scheme.
Where can I download BECZ051 previous year question papers?
AKTU B.Tech previous year question papers for every semester are available to download free on Ryzenstudy, with no login or registration required.
Is this the official AKTU syllabus for BECZ051?
Yes. Every topic on this page is taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus document (AKTU B.Tech 3rd Year Electronics and Computer Engineering Syllabus), effective from 2024-25. A direct link to the original AKTU PDF is provided at the top of this page. Last verified on 2026-08-19.
Related AKTU Syllabus
Source: Dr. A.P.J. Abdul Kalam Technical University official syllabus — AKTU B.Tech 3rd Year Electronics and Computer Engineering Syllabus, effective from 2024-25. Ryzenstudy is not affiliated with AKTU. Content last verified on 2026-08-19.