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DOC/LP/01/28.02.02
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Unit: I
Branch: EC
Date: 30/06/2010
Semester: VII
Page 01 of 06
Unit Syllabus:
Introduction to Optical Fibers
Evolution of fiber optic system- Element of an Optical Fiber Transmission link- Ray
Optics-Optical Fiber Modes and Configurations –Mode theory of Circular Wave guidesOverview of Modes-Key Modal concepts- Linearly Polarized Modes –Single Mode
Fibers-Graded Index fiber structure.
Objective:
To learn the basic elements of optical fiber transmission link, fiber modes configurations
and structures.
Session
No
Time
Ref
(Pg.No)
Teaching
Aids
1
Evolution of fiber optic system, Historical
Development, Advantages of optical fiber
communication
50m
1(6-8)
2(1-10)
BB
2
Element of an Optical Fiber Transmission link
50m
1(8-15)
BB
3
Ray Optics & Optical Fiber Modes and Configurations
50m
1(39-41)
1(35-43)
OHP
4
Mode theory of Circular Wave guides-Maxwell’s
Equations, Waveguide Equations etc.,
50m
1(43-62)
BB
5
Overview of Modes
50m
1(44-46)
BB
6
Key Modal concepts
50m
1(46-47)
BB
7
Linearly Polarized Modes
50m
1(56-59)
BB
8
Single Mode Fibers-Mode Field Diameter, Propagation
Modes in Single-Mode Fibers)
50m
1(62-65)
2(56-77)
OHP
9
Graded Index fiber structure, Propagation & Multipath
Dispersion in Graded Index Fiber
50m
1(65-66)
2(47-55)
3(40-46)
OHP
Topics to be covered
DOC/LP/01/28.02.
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Unit: II
Branch: EC
Date: 30/06/2010
Semester: VII
Page 02 of 06
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. Design optimization of SM fibers, RI profile and cutoff wave length
Session
No
Topics to be covered
Time
Ref (Pg.No)
Teaching
Aids
10
Attenuation – Absorption losses, Scattering losses
50m
1(92-100)
2(86-88)
3(89-96)
BB
11
Bending Losses, Core and Cladding losses
50m
1(100-103)
BB
12
Signal Distortion in Optical Wave guidesInformation Capacity determination
50m
1(103-106)
BB
13
Group Delay-Material Dispersion
50m
14
Wave guide Dispersion
50m
15
Signal distortion in SM fibers and Polarization
Mode dispersion, Inter modal dispersion
50m
1(112-113)
1(113-115)
BB
16
Pulse Broadening in GI fibers
50m
1(115-121)
BB
17
Mode Coupling –Design Optimization-SM fibers
50m
1(121-122)
BB
18
RI profile and cut-off wavelength
50m
1(123-127)
2(61)
BB
CAT-I
75m
1(106-108)
3(58-77)
1(109-112)
2(110)
BB
DOC/LP/01/28.02.
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Unit: III
Branch: EC
Date: 30/06/2010
Semester: VII Page 03 of 06
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, Fibre –to- Fibre joints,
Fibre splicing.
Objective:
To learn the various optical source materials, LED structures, quantum efficiency,
Laser diodes and different fiber amplifiers.
Session
No
Time
Ref (Pg.No)
Teaching
Aids
19
Direct and indirect Band gap materials-LED
structures
50m
1(148)
1(150-153)
2(385-398)
BB
20
Light source materials – Quantum efficiency and
LED power, Modulation of a LED
50m
1(153-161)
OHP
21
Laser Diodes-Modes and Threshold condition
50m
1(161-167)
BB
22
Rate equations –External Quantum efficiency –
Resonant frequencies
50m
1(167-171)
BB
23
Laser Diodes, Temperature effects
50m
1(171-185)
BB
24
Introduction to Quantum laser
50m
2(328-329)
BB
25
Fiber amplifiers- Power Launching and coupling
50m
2(524-530)
BB
26
Lencing schemes
50m
1(212-214)
OHP
27
Fibre –to- Fibre joints, Fibre splicing
50m
1(215-218)
1(228-231)
OHP
Topics to be covered
DOC/LP/01/28.02.
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Unit: IV
Branch: EC
Date: 30/06/2010
Semester: VII
Page 04 of 06
Unit syllabus:
Fiber Optical Receivers
PIN and APD diodes –Photo detector noise, SNR, Detector Response time, Avalanche
Multiplication Noise –Comparison of Photo detectors –Fundamental Receiver
Operation– preamplifiers, Error Sources –Receiver Configuration –Probability of
Error – Quantum Limit.
Objective:
To learn the fiber optical receivers such as PIN APD diodes, noise performance in
photo detector, receiver operation and configuration.
Session
No
Topics to be covered
Time
Ref (Pg.No)
Teaching
Aids
OHP
28
PIN and APD diodes
50m
1(244-252)
2(432-435)
2(441-443)
3(447-449)
3(472-474)
29
Photo detector noise, SNR
50m
1(252-257)
BB
30
Detector Response time
50m
1(257-262)
BB
31
Avalanche Multiplication Noise
50m
32
Comparison of Photo detectors
50m
1(267-268)
BB
33
Fundamental Receiver Operation including
Digital Signal Transmission and Fourier
Transform Representation
50m
1(275-281)
BB
34
Preamplifiers, Error Sources
50m
1(275-279)
BB
35
Receiver Configuration
50m
1(279-280)
BB
36
Probability of Error – Quantum Limit
50m
1(282-289)
BB
CAT-II
75m
1(262-264)
3(465-466)
BB
DOC/LP/01/28.02.
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Unit: V
Branch: EC
Date: 30/06/2010
Semester: VII Page 05 of 06
Unit syllabus:
Digital Transmission System
Point-to-Point links System considerations –Link Power budget –Rise - time budget –
Noise Effects on System Performance-Operational Principles of WDM, SolitonsErbiumdoped Amplifiers. Basic on concepts of SONET/SDH Network.
Objective:
To learn fiber slicing and connectors, noise effects on system performance,
operational principles WDM and solutions.
Session
Topics to be covered
No
Time
Ref (Pg.No)
Teaching
Aids
37
Point-to-Point links
50m
1(322-323)
BB
38
System considerations
50m
1(323-325)
BB
39
Link Power budget
50m
1(325-328)
BB
40
Rise - time budget
50m
1(328-332)
BB
41
Noise Effects on System Performance
50m
1(340-351)
BB
42
Operational Principles of WDM
50m
43
Solitons
50m
44
Erbium doped Amplifiers
50m
45
Basic on concepts of SONET/SDH Network
50m
CAT-III
75m
1(380-383)
3(543-544)
1(505-513)
3(114-119)
1(430-437)
3(112-113)
1(467-477)
3(15-16)598
BB
BB
OHP
OHP
DOC/LP/01/28.02.02.
LESSON PLAN
LP-EC1402
LP Rev. No:01
Sub Code & Name: EC1402 Optical Communication
Date: 30/06/2010
Semester: VII Page 06 of 06
Branch: EC
Course Delivery Plan:
Week
Units
1
2
3
4
5
6
7
8
9
10
11
12
13
I II I II I II I II I II I II I II I II I II I II I II I II I II
C
C
C
1 1 1 1 1 2 2 2 2 A 3 3 3 3 3 4 4 4 4 5 A 5 5 5 5 A
2
T
4
T
T
1
2
3
TEXT BOOK:
1.
Gerd Keiser, “Optical Fiber Communication” McGraw –Hill International, Singapore,
3rd edition, 2000
REFERENCES
2.
J.Senior, “Optical Communication, Principles and Practice”, Prentice Hall of India,
1994.
3.
J.Gower, “Optical Communication System”, Prentice Hall of India, 2001.
Prepared by
Approved by
Signature
Name
S.R.BALASUBRAMANIAN /
S.SENTHIL RAJAN
PROF.E.G.GOVINDAN
Designation Assistant Professor /
Senior Lecturer
HOD
Date
30/06/2010
30/06/2010