Dynamics of a semiconductor laser with incoherent optical feedback

We have experimentally investigated the dynamics of a semiconductor laser with incoherent optical feedback from a single pass external ring cavity. The polarization of the electric field is rotated by 90° before re-injection to avoid interference between the re-injected field and the laser. The dyna...

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Veröffentlicht in:	Optics communications 2001-11, Vol.199 (1), p.175-179
Hauptverfasser:	Houlihan, J., Huyet, G., McInerney, J.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiphase dynamics Dynamical laser instabilities noisy laser behavior Exact sciences and technology Fundamental areas of phenomenology (including applications) Instability Laser optical systems: design and operation Lasers Optical feedback Optics Physics Semiconductor laser Semiconductor lasers laser diodes
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Zusammenfassung:	We have experimentally investigated the dynamics of a semiconductor laser with incoherent optical feedback from a single pass external ring cavity. The polarization of the electric field is rotated by 90° before re-injection to avoid interference between the re-injected field and the laser. The dynamics of the laser shows two instabilities: the first is associated with the enhancement of the mode partition noise, while the second is closely connected to the relaxation oscillation and the feedback time.
ISSN:	0030-4018 1873-0310
DOI:	10.1016/S0030-4018(01)01540-1