Osinski, M. and Adams, M.J.
Picosecond spectra of gain-switched quaternary lasers
Optics Communications, 47, (3), . (doi:10.1016/0030-4018(83)90114-1).
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Detailed analysis of picosecond pulse generation in 1.55µm lasers is reported. Large dynamic line width (~100 GHz) is predicted for lasers driven to 10 times threshold. Spectra emitted by lasers biased below and above threshold are compared, and the spectral purity of the optical pulse is shown to improve considerably when a pre-bias condition above threshold is chosen.
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