Advances in Semiconductor Lasers Based on Parity–Time Symmetry
Hongbo Sha,
Yue Song,
Yongyi Chen
et al.
Abstract:Semiconductor lasers, characterized by their high efficiency, small size, low weight, rich wavelength options, and direct electrical drive, have found widespread application in many fields, including military defense, medical aesthetics, industrial processing, and aerospace. The mode characteristics of lasers directly affect their output performance, including output power, beam quality, and spectral linewidth. Therefore, semiconductor lasers with high output power and beam quality are at the forefront of inte… Show more
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