Fang Zujie. Relation between the threshold condition and transverse mode of semiconductor lasers[J]. Chinese Journal of Lasers, 1981, 8(9): 26
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This paper deduces the threshold condition of semiconductor lasers analytically with the electric-magnetic wave theory in a slab waveguide model. It is found that the expressions of the threshold condition for TE mode and TM mode are different from each other. In the formulas deduced here there appears a revision factor as compared with the conventional formula, which can be explained with a point of view of zigzag waves.