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Dresden 2017 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 64: Poster: Photovoltaics and Optics

HL 64.44: Poster

Mittwoch, 22. März 2017, 15:00–19:00, P1C

Injection Locking of Spontaneous Emission Enhanced Microlaser — •Felix Krüger1, Elisabeth Schlottmann1, Steffen Holzinger1, Christian Schneider2, Sven Höfling2, Martin Kamp2, Janik Wolters3, Xavier Porte1, and Stephan Reitzenstein11Institut für Festkörperphysik, Technische Universität Berlin — 2Technische Physik, Universität Würzburg — 3present adress: Universität Basel, Switzerland

Micro- and nanolasers are of broad interest because of their size, modulation speed and low energy consumption. In recent years the nonlinear dynamics of such lasers are spotlighted in an interdisciplinary context at the crossroads of classical and quantum physics.
The experimental studies address the influence of the spontaneous emission factor β on the locking properties and on mode switching in bimodal microlasers. Our studies reveal, that for small mode-volume microlasers emission of thermal light is maintained at the solitary cavity mode while only the coherent part of emission locks to the external master laser [1].
Moreover, in bimodal micropillar lasers the master laser allows for a polarization dependent destabilization or stabilization of switching processes. We also discuss more complex injection schemes involving delayed optical feedback.
[1] E. Schlottmann, S. Holzinger et al., Phys. Rev. Applied 6,
044023 (2016)

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