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Conferences > CLEO > 1984 > FF > FF2

Limitation to high-bit-rate modulation of semiconductor lasers caused by dynamic changes of Fermi level and optical loss

S. J. Chua and T. C. Chong

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Abstract

Semiconductor lasers can today be operated in the gigabit range by direct modulation of the drive current. At such high-bit modulation, the laser generally operates in several longitudinal modes despite longitudinal-mode oscillation in stationary injection current conditions.1 So far, the spectral behavior of lasers has been observed when modulated by rf sinusoidal current or ultrashort current pulses at regular intervals.2

© 1984 Optical Society of America

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