19 June 1995 Diode lasers with optical feedback: inaccessibility of the maximum gain mode
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Abstract
In this paper, the various physical mechanisms in low-frequency intensity fluctuations are identified, that occur when a diode laser is subject to moderate optical feedback while operating close to its solitary threshold. The maximum gain mode, which surprisingly often stable, serves as a seemingly unreachable goal for the system. In attempting to reach this mode, the system forms mode-locked pulses. In between pulses the mode-locking is frustrated and inevitably the system passes too close to one of the many saddle points, that will take the system back to the low power solitary laser state.
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Guido H.M. van Tartwijk, Alfred M. Levine, Daan Lenstra, "Diode lasers with optical feedback: inaccessibility of the maximum gain mode", Proc. SPIE 2399, Physics and Simulation of Optoelectronic Devices III, (19 June 1995); doi: 10.1117/12.212539; https://doi.org/10.1117/12.212539
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