title: Low-frequency fluctuations in two-state quantum dot lasers.
abstract: We study the feedback-induced instabilities in a quantum dot semiconductor laser emitting in both ground and excited states. Without optical feedback the device exhibits dynamics corresponding to antiphase fluctuations between ground and excited states, while the total output power remains constant. The introduction of feedback leads to power dropouts in the ground state and intensity bursts in the excited state, resulting in a practically constant total output power.
authors.affiliation: Optic Nonlineaire Theorique, Université Libre de Bruxelles, Campus Plaine CP 231, B-1050 Bruxelles, Belgium.
authors.forename: Evgeny A
authors.initials: EA
authors.lastname: Viktorov
authors.forename: Paul
authors.initials: P
authors.lastname: Mandel
authors.forename: Ian
authors.initials: I
authors.lastname: O'Driscoll
authors.forename: Olwen
authors.initials: O
authors.lastname: Carroll
authors.forename: Guillaume
authors.initials: G
authors.lastname: Huyet
authors.forename: John
authors.initials: J
authors.lastname: Houlihan
authors.forename: Yann
authors.initials: Y
authors.lastname: Tanguy