Citation:Schlottmann, E., Schicke, D., Krüger, F., Lingnau, B., Schneider, C., Höfling, S., Lüdge, K., Porte, X. and Reitzenstein, S. (2019) 'Stochastic polarization switching induced by optical injection in bimodal quantum-dot micropillar lasers', Optics Express, 27(20), pp. 28816-28831. DOI: 10.1364/OE.27.028816
Mutual coupling and injection locking of semiconductor lasers is of great interest in non-linear dynamics and its applications for instance in secure data communication and photonic reservoir computing. Despite its importance, it has hardly been studied in microlasers operating at μW light levels. In this context, vertically emitting quantum dot micropillar lasers are of high interest. Usually, their light emission is bimodal, and the gain competition of the associated linearly polarized fundamental emission modes results in complex switching dynamics. We report on selective optical injection into either one of the two fundamental mode components of a bimodal micropillar laser. Both modes can lock to the master laser and influence the non-injected mode by reducing the available gain. We demonstrate that the switching dynamics can be tailored externally via optical injection in very good agreement with our theory based on semi-classical rate equations.
Alexander, Justin K.; Morrissey, Padraic E.; Caro, Ludovic; Dernaika, Mohamad; Kelly, Niall P.; Peters, Frank H.(Institute of Electrical and Electronics Engineers (IEEE), 2017-03-15)
Phase noise in gain-switched lasers is investigated theoretically using the semiconductor laser rate equations and compared with the experimental results from monolithically integrated devices. The phase noise of a ...
Tang, Jin; Chen, Lian-Kuan; Zhao, Jian(Institute of Electrical and Electronics Engineers (IEEE), 2017-11-23)
The dynamic properties of DFB- and DML-based injection lock lasers are investigated by analyzing the instantaneous frequency of the master and slave lasers' beat signal. Around 10~20 ns locking time is measured by burst ...
Iadanza, Simone; Bakoz, Andrei P.; Singaravelu, Praveen K. J.; Panettieri, Danilo; Schulz, Stefan; Devarapu, Ganga Chinna Rao; Guerber, Sylvain; Baudot, Charles; Boeuf, Frédéric; Hegarty, Stephen; O'Faolain, Liam(Optical Society of America, 2018-07-31)
In this paper, we show the experimental results of a thermally stable Si3N4 external cavity (SiN EC) laser with high power output and the lowest SiN EC laser threshold to our knowledge. The device consists of a 250 μm sized ...
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