S8 - OPTOELECTRONICS AND COMMUNICATION

Mgu University S8 Electrical & electronics engineering Syllabus

Module 1
Review of P-N jn-characteristics – semiconductor-hetero junction-LEDs (-spontaneous emission-LED structure-surface emitting-Edge emitting-Injection efficiency- recombination efficiency-LED characteristics-spectral response-modulation-Band width.

Module 2
Laser diodes-Basic principle-condition for gain-Laser action-population inversion-stimulated emission-Injection faster diode-structure-temperature effects-modulation-comparison between LED and ILDs.

Module 3
Optical detectors-optical detector principle-absorption coefficient-detector characteristics-Quantum efficiency-responsivity- response time-bias voltage-Noise in detectors P-N junction-photo diode-(characteristics-P-I-N-photo diode-response-Avalanche photo diode (APD) multiplication process-B. W-Noise-photo transistor.

Module 4
Optical Fibre-structure-advantages-Types-propagation-wave equation-phase and group velocity-transmission characteristics-attenuation-absorption-scattering losses-dispersion-fibre bend losses-source coupling, splices and connectors-wave length division multiplexing.

Module 5
Optical fibre system-system design consideration-fibre -optic link-optical transmitter circuit-source limitations-LED drive circuit-Laser drive circuit-pre-amplifier-equalization-Fibre-optic link analysis-typical lira design.

References

Semiconductor Opto electronics Devices-Pallab Bhattacharya (Pearson Education)
Optical fibre Communication Systems-Principles and practice- John M Senior (PHI)
Optical communication Systems-John Gower (PHI)
4. Optical fibre Communication- Gerd keiser (PHI)