Essentially, A Laser Diode Is A High-Powered Light Emitting Diode That Has A Lens To Reduce Signal Loss
Laser Diode

A Laser Diode is a semiconductor laser device that is remarkably similar to a light-emitting diode in both form and operation (LED). The term laser is an abbreviation that stands for Light Amplification by Stimulated Emission of Radiation. As a result, a laser is a device that creates light via an optical amplification process based on the stimulated emission of electromagnetic radiation. Electrically, a laser diode is equivalent to a PIN diode. A PIN diode is one that has a large undoped intrinsic semiconductor region sandwiched between a p-type and an n-type semiconductor. Typically, both the p-type and n-type areas are extensively doped.


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