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semiconductor laser are very small in size and appearance. It is similar to a transistor and has the operation like LED but the output beam has the characteristics of laser light. It is also called Injection Laser. Most semiconductor lasers are laser diodes, which are pumped with an electrical current in a region where an n-doped and a p-doped semiconductor material meet. The physical origin of gain in a semiconductor is illustrated Without pumping, most of the electrons are in the valence band.
Related Journals of Semiconductor laser
Journal of Electrical & Electronic Systems, Journal of Physical Chemistry & Biophysics, IEEE International Semiconductor Laser Conference, Annual IEEE Semiconductor Thermal Measurement and Management Symposium, Semiconductor Optoelectronics, IEEE Transactions on Semiconductor Manufacturing, Journal of Semiconductor Technology and Science, Materials Science in Semiconductor Processing.