Du Xiaocfiehg, He Zhengchuan, Tang Sulan. Measurement of spectral linewidth of semiconductor lasers[J]. Chinese Journal of Lasers, 1987, 14(3): 167
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Based on van der Pol equation, the paper deduces the formulas describing the measurement of spectral linewidth of semiconductor lasers with delay self-heterodyne method, and discusses the influence of the spectral parameters on the measurement.Also reported are some measurement results on single frequency semiconductor lasers.