FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 1 of 6
Department of Electronics and Communication Engineering
B.E/B.Tech/M.E/M.Tech : B.E - EC
Regulation: 2013
PG Specialization : Not Applicable
Sub. Code / Sub. Name: EC6702 - OPTICAL COMMUNICATION AND NETWORKS
LP: EC6702
Rev. No: 00
Date: 23/6/2016
Unit : I
Unit Syllabus: INTRODUCTION TO OPTICAL FIBERS
Evolution of fiber optic system- Element of an Optical Fiber Transmission link-- Total internal reflectionAcceptance angle –Numerical aperture – Skew rays Ray Optics-Optical Fiber Modes and Configurations -Mode
theory of Circular Wave guides- Overview of Modes-Key Modal concepts- Linearly Polarized Modes -Single
Mode Fibers-Graded Index fiber structure
Objective: To understand the principle of EM waves propagation in fiber cables and also about different types
of optical fibers.
Session
No *
Topics to be covered
Ref
Teaching
Aids
1
PPT
1
Evolution of fiber optic system, Element of an Optical Fiber Transmission link
2
Ray theory transmission ,Total internal reflection, Acceptance angle –Numerical
aperture
3
Skew rays, Electromagnetic mode theory of optical propagation- EM waves –
Modes in Planar guide
4
Mode theory of Circular Wave guides-Phase and Group velocity, Cylindrical
fibers (Maxwell’s equation, Boundary conditions) Modes.
5
Optical Fiber Modes and Configurations-Mode coupling, Step Index Fiber,
Graded Index Fiber
1(43-50)
PPT
6
Single Mode fibers, Cutoff wavelength, Linearly polarized Modes.
1(56-61)
2(62-65)
6(83-100)
PPT
7
Mode Field Diameter, Effective Refractive index, Group delay and mode delay
1(62-67)
PPT
8
Gaussian approximation, Equivalent step index methods
1(67-76)
PPT
9
Problems
1, 2
PPT
Content beyond syllabus covered (if any):
Dispersion of light, Snell’s Law
* Session duration: 50 minutes
1(14-20)
2(32-41)
3(34-39)
6(17-28)
1(20-28)
2(43-57)
3(46-48)
6(36-53)
1(28-30
36-43)
PPT
PPT
PPT
FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 2 of 6
Sub. Code / Sub. Name: EC6702 - OPTICAL COMMUNICATION AND NETWORKS
Unit : II
Unit Syllabus: SIGNAL DEGRADATION OPTICAL FIBERS
Attenuation - Absorption losses, Scattering losses, Bending Losses, Core and Cladding losses, Signal Distortion
in Optical Wave guides-Information Capacity determination -Group Delay-Material Dispersion, Wave guide
Dispersion, Signal distortion in SM fibers-Polarization Mode dispersion, Intermodal dispersion, Pulse
Broadening in GI fibers-Mode Coupling -Design Optimization of SM fibers-RI profile and cut-off wavelength .
Objective: To understand the different kind of losses, signal distortion in optical wave guides and other signal
degradation factors. Fiber to fiber permanent and temporary joining techniques should also be understood
Session
No *
Topics to be covered
Ref
Teaching
Aids
10
Attenuation – Material absorption losses in silica glass fibers, Intrinsic
absorption, Extrinsic absorption
11
Linear and Non linear Scattering losses(Rayleigh scattering, Mie scattering,
Stimulated Brillouin scattering, Stimulated Raman Scattering)
1(86-91)
2(93-97)
3(86-94)
5(55-58)
1(91-96)
2(98-102)
3(95-102)
5(59-64)
12
Fiber Bend losses – Mid band and far band infra red transmission
1(97-102)
PPT
13
Dispersion - Intra Modal Dispersion
1(102-110)
2(103-108)
3(78-82)
PPT
14
Inter Modal Dispersion-Multimode step and graded index fiber
1(110-119)
2(109-115)
PPT
15
Over all Fiber Dispersion-Multimode fiber and single mode fiber
1(121-130)
PPT
PPT
PPT
CAT I
16
Polarization- Polarization maintaining fibers ,Non linear Phenomena
17
Pulse Broadening in GI fibers-Mode Coupling
18
RI profile and cut-off wavelength
Content beyond syllabus covered (if any): NIL
* Session duration: 50 mins
1(136-145)
1(145-149)
2(122-130)
1(212-235)
2(215-231)
6(126-129)
1(237-260)
2(231-236)
PPT
PPT
BB/PPT
FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 3 of 6
Sub. Code / Sub. Name: EC6702 - OPTICAL COMMUNICATION AND NETWORKS
Unit : III
Unit Syllabus: FIBER OPTICAL SOURCES AND COUPLING
Direct and indirect Band gap materials-LED structures -Light source materials -Quantum efficiency and LED
power, Modulation of a LED, lasers Diodes-Modes and Threshold condition -Rate equations -External Quantum
efficiency -Resonant frequencies -Laser Diodes, Temperature effects, Introduction to Quantum laser, Fiber
amplifiers- Power Launching and coupling, Lencing schemes, Fiber -to- Fiber joints, Fiber splicing-Signal to
Noise ratio , Detector response time.
Objective: To learn the various optical source materials, LED structures, quantum efficiency, Laser diodes
structures and also about coupling and its performance factors.
Session
No *
Topics to be covered
19
Direct and indirect Band gap materials
20
Optical sources: Light Emitting Diodes(Introduction, LED power and efficiency)
21
LED structures -surface and edge emitters (mono and hetero structures)
22
Internal - quantum efficiency-Derivation, injection laser diode structures
(Principle), Modes and Threshold condition
23
Cont. Injection laser diode (Types), Modes and Threshold condition
24
Comparison of LED and ILD, Introduction to Quantum laser
25
Fiber amplifiers- Power Launching and coupling, Lencing schemes
26
Fiber -to- Fiber joints, Fiber splicing
27
Signal to Noise ratio, Detector response time
Content beyond syllabus covered (if any):
Optical Detector-Characteristics of Photo Diode and Photo Transistors
* Session duration: 50 mins
Ref
1(374-384)
2(150-155)
5(77-84)
1(386-393)
2(156-161)
5(87-91)
1(386-393)
2(156-161)
5(87-91)
1(322-328 )
2(156-166)
3(355-367)
5(93-96)
6(174-181)
2(167176)
6(186-190)
1(430-441)
2(244-249)
5(136-142)
1(441-453)
2(249-252)
5(142-148)
2(252-257)
5(155-158)
2(257-262)
Teaching
Aids
PPT
PPT
PPT
PPT
PPT
PPT
PPT
PPT
PPT
FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 4 of 6
Sub. Code / Sub. Name: EC6702 - OPTICAL COMMUNICATION AND NETWORKS
Unit : IV
Unit Syllabus: FIBER OPTIC RECEIVER AND MEASUREMENTS
Fundamental receiver operation, Pre amplifiers, Error sources – Receiver Configuration – Probability of Error –
Quantum limit. Fiber Attenuation measurements- Dispersion measurements – Fiber Refractive index profile
measurements – Fiber cut- off Wave length Measurements – Fiber numerical Aperture Measurements – Fiber
diameter measurements.
Objective: To learn the fiber optical receivers, noise performance in photo detector, receiver operation and
configuration. The various characteristics of signal propagation inside the fiber and its basic geometric
parameters measurement techniques are also learnt to design a optical communication system.
Session
No *
Topics to be covered
Ref
Teaching
Aids
28
Fundamental receiver operation, Error sources – Receiver Configuration
2(275-281)
PPT
29
Pre amplifiers (Types-High impedance FET, High impedance BJT, Trans
impedance Amplifiers)
2(305-311)
PPT
30
Probability of Error – Quantum limit
2(281-289)
PPT
31
Receiver noises ( Shot noise, Receiver sensitivity calculation, Performance
curves)
2(289-302)
PPT
CAT-II
32
Fiber Attenuation measurements (Total fiber attenuation, absorption, scattering
loss measurement)
1(779-789)
2(541544),7
PPT/ICT
33
Dispersion Measurement (Time domain & Frequency domain)
1(789-796)
2(244-249)
PPT
34
Fiber Refractive index profile measurements (Interferometric methods, Near field
scanning method, Refracted near field method)
1(796-802 )
PPT
35
Fiber cut- off Wave length Measurements
4(802-807)
PPT
36
Fiber numerical Aperture Measurements – Fiber diameter measurements (Outer
and core diameter)
1(807- 812)
PPT
Content beyond syllabus covered (if any):
High Performance Receivers
* Session duration: 50 mins
FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 5 of 6
Sub. Code / Sub. Name:EC6702 - OPTICAL COMMUNICATION AND NETWORKS
Unit : V
Unit Syllabus: OPTICAL NETWORKS AND SYSTEM TRANSMISSION
Basic Networks – SONET / SDH – Broadcast – and –select WDM Networks –Wavelength Routed Networks –
Non linear effects on Network performance –-Link Power budget -Rise time budget- Noise Effects on System
Performance-Operational Principles of WDM Performance of WDM + EDFA system – Solutions – Optical
CDMA – Ultra High Capacity Networks.
Objective: To learn, the basic optical network and also different types of network topologies, WDM and
solitons.
Session
No *
Topics to be covered
Ref
Teaching
Aids
2(458-466)
PPT
2(467-477)
4(364-378),7
PPT/ICT
37
Basic Networks (Network Topologies, Performance of
Passive linear buses, Power budget, Performance of star architectures)
38
SONET / SDH (Transmission formats and speed, Optical interfaces, Rings,
Networks)
39
Broadcast – and –select WDM Networks
(Single Hop networks, Multi hop networks, Shuffle Net multi hop networks)
2(477-482)
PPT
40
Wavelength Routed Networks (Optical cross connects, Performance evaluation)
2(482-488)
PPT
2(488-498)
PPT
2(499-505)
4(154-158)
6(254-261)
PPT
41
42
Non linear effects on Network performance (Effective length and Area,
Stimulated Raman Scattering, Brillouin scattering, Self phase modulation and
Cross phase)
Cont. Non linear effects (Four wave mixing, Dispersion management),
Performance of WDM + EDFA system (Line bandwidth, optical power
requirement, Cross talk)
43
Link Power budget -Rise time budget
2(505-513)
4(98-101)
PPT
44
Solitons (Pulses, parameters, Width and spacing),Optical CDMA
2(514-516)
PPT
45
Ultra High Capacity Networks (WDM systems, Bit interleaved optical TDM,
Time slotted optical TDM)
2(516-519)
PPT
CAT-III
Content beyond syllabus covered (if any):
Introduction about optical networks involving various topologies and different coverage (LAN, MAN, WAN)
* Session duration: 50 mins
FT/GN/68/01/23.01.16
SRI VENKATESWARA COLLEGE OF ENGINEERING
COURSE DELIVERY PLAN - THEORY
Page 6 of 6
Sub Code / Sub Name:EC6702 - OPTICAL COMMUNICATION AND NETWORKS
REFERENCES:
1. Gerd Keiser, "Optical Fiber Communication" Mc Graw -Hill International, 4th Edition., 2010.
2. John M. Senior , “Optical Fiber Communication”, Second Edition, Pearson Education, 2007.
3. Ramaswami, Sivarajan and Sasaki “Optical Networks”, Morgan Kaufmann, 2009.
4. J.Senior, "Optical Communication, Principles and Practice", Prentice Hall of India, 3rd Edition, 2008.
5. J.Gower, "Optical Communication System", Prentice Hall of India, 2001.
6. R.P. Khare, “Fiber Optics and Optoelectronics”, Oxford University Press, 2007.
7. http://www.nptel.ac.in
Prepared by
Signature
Name
Designation
Date
SIGNED
Approved by
SIGNED
Mr.S.R.Balasubramanian, Mr.S.Senthil Rajan,
Ms.S.Radhika
Dr. S.MUTHUKUMAR
Assistant professor
Head of the department - EC
23/6/2016
23/6/2016
Remarks *:
Remarks *:
* If the same lesson plan is followed in the subsequent semester/year it should be mentioned
and signed by the Faculty and the HOD