Abstract
The complex nonlinear and chaotic regimes observed in laterally coupled diode lasers –
or twin stripe lasers– make this device a real contender for the emitter and receiver in
chaotic encrypted communication systems, since the chaos is produced on chip and no
other elements have to be added to the set-up. The main problem until now was to be
able to synchronize two of those devices, due to the difficulty of fabricating a pair
similar enough. Our approach is to use Quantum Dots for the active region of the twin
stripes, which allows for the use of shallow etching to electrically isolate both stripes
due to the zero dimensional confinement of the Quantum Dots. In this paper we present
the first time that a pair of twin stripe lasers has been synchronized together with an
observation of transitions to chaos such as those found in single-stripe lasers subject to
external influences.
Original language | English |
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Title of host publication | Proceedings 14th Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium |
Editors | St. Beri, Ph. Tassin, G. Craggs, X. Leijtens, J. Danckaert |
Place of Publication | Brussels |
Publisher | Brussels University Press |
Pages | 17-20 |
ISBN (Print) | 978-90-5487-650-2 |
Publication status | Published - 2009 |