SYLLABUS Optical Fiber Communication - Optical Fiber Communication PART - A ... Fiber optic...

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  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 1

    SYLLABUS

    Optical Fiber Communication

    PART - A

    UNIT - 1

    OVERVIEW OF OPTICAL FIBER COMMUNICATION: Introduction, Historical

    development, general system, advantages, disadvantages, and applications of optical fiber

    communication, optical fiber waveguides, Ray theory, cylindrical fiber (no derivations in article

    2.4.4), single mode fiber, cutoff wave length, mode filed diameter. Optical Fibers: fiber

    materials, photonic crystal, fiber optic cables specialty fibers.

    8 Hours

    UNIT - 2

    TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS: Introduction,

    Attenuation, absorption, scattering losses, bending loss, dispersion, Intra modal dispersion, Inter

    modal dispersion.

    5 Hours

    UNIT - 3

    OPTICAL SOURCES AND DETECTORS: Introduction, LEDs, LASER diodes, Photo

    detectors, Photo detector noise, Response time, double hetero junction structure, Photo diodes,

    comparison of photo detectors.

    7 Hours

    UNIT - 4

    FIBER COUPLERS AND CONNECTORS: Introduction, fiber alignment and joint loss,

    single mode fiber joints, fiber splices, fiber connectors and fiber couplers.

    6 Hours

    Subject Code : 10EC72 IA Marks : 25

    No. of Lecture Hrs/Week : 04 Exam Hours : 03

    Total no. of Lecture Hrs. : 52 Exam Marks : 100

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 2

    PART - B

    UNIT - 5

    OPTICAL RECEIVER: Introduction, Optical Receiver Operation, receiver sensitivity,

    quantum limit, eye diagrams, coherent detection, burst mode receiver operation, Analog

    receivers.

    6 Hours

    UNIT - 6

    ANALOG AND DIGITAL LINKS: Analog links Introduction, overview of analog links,

    CNR, multichannel transmission techniques, RF over fiber, key link parameters, Radio over

    fiber links, microwave photonics.

    Digital links Introduction, pointtopoint links, System considerations, link power budget,

    resistive budget, short wave length band, transmission distance for single mode fibers, Power

    penalties, nodal noise and chirping. 8 Hours

    UNIT - 7

    WDM CONCEPTS AND COMPONENTS: WDM concepts, overview of WDM operation

    principles, WDM standards, Mach-Zehender interferometer, multiplexer, Isolators and

    circulators, direct thin film filters, active optical components, MEMS technology, variable

    optical attenuators, tunable optical fibers, dynamic gain equalizers, optical drop multiplexers,

    polarization controllers, chromatic dispersion compensators, tunable light sources.

    6 Hours UNIT - 8

    OPTICAL AMPLIFIERS AND NETWORKS: optical amplifiers, basic applications and

    types, semiconductor optical amplifiers, EDFA. Optical Networks: Introduction, SONET / SDH,

    Optical Interfaces, SONET/SDH rings, High speed light waveguides.

    6 Hours

    TEXT BOOKS:

    1. Optical Fiber Communication Gerd Keiser, 4th

    Ed., MGH, 2008.

    2. Optical Fiber Communications John M. Senior, Pearson Education. 3rd

    Impression,

    2007.

    REFERENCE BOOK:

    1. Fiber optic communication Joseph C Palais: 4th

    Edition, Pearson Education.

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 3

    INDEX SHEET

    SLNO. Unit & Topic of Discussion PAGE

    NO.

    1. UNIT 1 : OVERVIEW OF OPTICAL FIBER COMMUNICATION 6-63

    2. Historical development 7

    3. General system 8

    4. Advantages, disadvantages 11,12

    5. Applications of optical fiber communication 13

    6. Optical fiber waveguides 14

    7. Ray theory, cylindrical fiber 15

    8. Single mode fiber, cutoff wave length 22

    9. Mode filed diameter 50

    10. Optical Fibers: fiber materials 51

    11. Photonic crystal 52

    12. Fiber optic cables specialty fibers 60

    13. UNIT 2 : TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS 64-97

    14. Introduction, Attenuation 65

    15. Absorption, scattering losses 65

    16. Bending loss, dispersion 66

    17. Intra modal dispersion 80

    18. Inter modal dispersion 80

    19. UNIT 3 : OPTICAL SOURCES AND DETECTORS 98-133

    20. Introduction, LEDs 99

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 4

    21. LASER diodes 100

    22. Photo detectors 121

    23. Photo detector noise, Response time 123

    24. Double hetero junction structure 125

    25. Photo diodes 127

    26. Comparison of photo detectors 131

    27. UNIT 4 : FIBER COUPLERS AND CONNECTORS 134-154

    28. Introduction, fiber alignment 135

    29. Joint loss 138

    30. Single mode fiber joints 140

    31. Fiber splices 143

    32. Fiber connectors 148

    33. Fiber couplers 151

    34. UNIT 5 OPTICAL RECEIVER 155-175

    35. Introduction, Optical Receiver Operation 156

    36. Receiver sensitivity 158

    37. Quantum limit, eye diagrams 159

    38. Coherent detection 160

    39. Burst mode receiver operation 164

    40. Analog receivers 170

    41. UNIT 6 : Analog and Digital Links 176-203

    42. Analog links Introduction, overview of analog links 177

    43. CNR, multichannel transmission techniques 179

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 5

    44. RF over fiber, key link parameters 182

    45. Radio over fiber links, microwave photonics 185

    46. Digital links Introduction, pointtopoint links, System considerations 190

    47. Link power budget, resistive budget, short wave length band 193

    48. Transmission distance for single mode fibers 194

    49. Power penalties, nodal noise and chirping 199

    50. UNIT 7 : WDM CONCEPTS AND COMPONENTS 204-224

    51. WDM concepts, overview of WDM operation principles, WDM standards, 205

    52. Mach-Zehender interferometer, multiplexer, Isolators and circulators 207

    53. Direct thin film filters, active optical components 208

    54. MEMS technology, variable optical attenuators, tunable optical fibers 210

    55. Dynamic gain equalizers, optical drop multiplexers, polarization controllers 212

    56. Chromatic dispersion compensators, tunable light sources 220

    57. UNIT 8 : OPTICAL AMPLIFIERS AND NETWORKS 225-254

    58. Optical amplifiers, basic applications and types 226

    59. Semiconductor optical amplifiers, EDFA 228

    60. Optical Networks: Introduction, SONET / SDH 232

    61. Optical Interfaces 235

    62. SONET/SDH rings 245

    63. High speed light waveguides 251

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 6

    UNIT - 1

    OVERVIEW OF OPTICAL FIBER COMMUNICATION

    Introduction, Historical development, general system, advantages, disadvantages, and

    applications of optical fiber communication, optical fiber waveguides, Ray theory, cylindrical

    fiber (no derivations in article 2.4.4), single mode fiber, cutoff wave length, mode filed

    diameter. Optical Fibers: fiber materials, photonic crystal, fiber optic cables specialty fibers.

    RECOMMENDED READINGS:

    TEXT BOOKS:

    1. Optical Fiber Communication Gerd Keiser, 4th

    Ed., MGH, 2008.

    2. Optical Fiber Communications John M. Senior, Pearson Education. 3rd

    Impression, 2007.

    REFERENCE BOOK:

    1. Fiber optic communication Joseph C Palais: 4th

    Edition, Pearson Education.

  • Optical Fiber Communication 10EC72

    Dept of ECE, SJBIT Page 7

    1.1. Historical Development

    Fiber optics deals with study of propagation of light through transparent dielectric

    wageguides. The fiber optics are used for transmission of data from point to point

    location. Fiber optic systems currently used most extensively as the transmission line

    between terrestrial hardwired systems.

    The carrier frequencies used in conventional systems had the limitations in handlinmg the

    volume and rate of the data transmission. The greater the carrier frequency larger the

    available ban