ANNA University Optical Communication Networks Notes
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Syllabus:
UNIT II TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS 9
Attenuation – Material absorption losses in silica glass fibers – Linear and Non linear Scattering losses - Fiber Bend losses – Midband and farband infra red transmission –Intra and inter Modal Dispersion – Over all Fiber Dispersion – Polarization- non linear Phenomena. Optical fiber connectors, Fiber alignment and Joint Losses – Fiber Splices – Fiber connectors – Expanded Beam Connectors – Fiber Couplers.
UNIT III SOURCES AND DETECTORS 9
Optical sources: Light Emitting Diodes - LED structures - surface and edge emitters,mono and hetero structures - internal - quantum efficiency, injection laser diode structures - comparison of LED and ILD Optical Detectors: PIN Photo detectors, Avalanche photo diodes, construction,characteristics and properties, Comparison of performance, Photo detector noise -Noise
sources , Signal to Noise ratio , Detector response time.
UNIT IV FIBER OPTIC RECEIVER AND MEASUREMENTS 9
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.
UNIT V OPTICAL NETWORKS 9
Basic Networks – SONET / SDH – Broadcast – and –select WDM Networks –
Wavelength Routed Networks – Non linear effects on Network performance –
Performance of WDM + EDFA system – Solitons – Optical CDMA – Ultra High Capacity Networks.
You Can Download The Material Of OCN From The Below Link
Syllabus:
UNIT I INTRODUCTION 9
Introduction, Ray theory transmission- Total internal reflection-Acceptance angle –Numerical aperture – Skew rays – Electromagnetic mode theory of optical propagation –EM waves – modes in Planar guide – phase and group velocity – cylindrical fibers –SM fibers.
Introduction, Ray theory transmission- Total internal reflection-Acceptance angle –Numerical aperture – Skew rays – Electromagnetic mode theory of optical propagation –EM waves – modes in Planar guide – phase and group velocity – cylindrical fibers –SM fibers.
UNIT II TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS 9
Attenuation – Material absorption losses in silica glass fibers – Linear and Non linear Scattering losses - Fiber Bend losses – Midband and farband infra red transmission –Intra and inter Modal Dispersion – Over all Fiber Dispersion – Polarization- non linear Phenomena. Optical fiber connectors, Fiber alignment and Joint Losses – Fiber Splices – Fiber connectors – Expanded Beam Connectors – Fiber Couplers.
UNIT III SOURCES AND DETECTORS 9
Optical sources: Light Emitting Diodes - LED structures - surface and edge emitters,mono and hetero structures - internal - quantum efficiency, injection laser diode structures - comparison of LED and ILD Optical Detectors: PIN Photo detectors, Avalanche photo diodes, construction,characteristics and properties, Comparison of performance, Photo detector noise -Noise
sources , Signal to Noise ratio , Detector response time.
UNIT IV FIBER OPTIC RECEIVER AND MEASUREMENTS 9
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.
UNIT V OPTICAL NETWORKS 9
Basic Networks – SONET / SDH – Broadcast – and –select WDM Networks –
Wavelength Routed Networks – Non linear effects on Network performance –
Performance of WDM + EDFA system – Solitons – Optical CDMA – Ultra High Capacity Networks.
You Can Download The Material Of OCN From The Below Link
