Question

What are the different pumping methods used in Laser diodes to achieve population inversion? Differentiate between LED and Laser diodes

06 Feb 2025
Answer :
Word Count : 294

In laser diodes, population inversion is achieved through different pumping methods that excite electrons in the active region to higher energy states, enabling stimulated emission. The common methods are:

1. Electrical Pumping: This is the most widely used method in laser diodes, where an electrical current is passed through ________ ______ _______ _________ ____.
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