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Contents

Electronic Devices

PN Junction

PN Junction Basics Forward and Reverse Bias Diode Equation Junction Capacitance Breakdown Mechanisms Small Signal Model

BJT Fundamentals

BJT Operation BJT Configurations Current Components Ebers-Moll Model Transistor Switching

FET Fundamentals

JFET Basics MOS Capacitor MOSFET Structure MOSFET Operation MOSFET I-V CMOS Basic

Special Devices

Zener Diode Tunnel Diode Varactor Diode Schottky Diode UJT

Optoelectronics

Light Emitting Diodes Photodiodes Solar Cells Laser Diodes Fiber Optic Sources Phototransistors Optocouplers

Power Devices

Power Diodes Power MOSFETs IGBTs Thyristors GTO and TRIAC

Other Topics

IC Fabrication Basics Nanoelectronics Intro MEMS Single Electron Transistor

Other Subjects

Analog Electronics Digital Electronics Signals & Systems Control Systems Electromagnetic Theory Digital Communication Analog Communication Network Analysis Microprocessors VLSI Design Verilog HDL Power Electronics Embedded Systems DSP

Section Progress71%

5 of 7 articles

Fiber Optic Sources

Comparison of LED vs Laser for comms.

Updated: 19 March 2026

4 min read

Optical Source Comparison

Compare LED vs Laser characteristics for communication.

Question 1 of 3

Q1.Which optical source characteristic restricts the maximum transmission distance in single-mode fiber due to chromatic dispersion?

Related Articles

Photodiodes

Reverse bias detection, responsivity.

7 min read

Light Emitting Diodes

Recombination, bandgap, materials.

5 min read

Optocouplers

Isolation applications.

8 min read

Solar Cells

Photovoltaic effect, efficiency, fill factor.

11 min read

Schottky Diode

Metal-semiconductor junction.

9 min read

Phototransistors