Longitudinal mode grouping in InGaAs/GaAs/AlGaAs quantum dot lasers: origin and means of control
- O'Reilly, E.P.
- Onischenko, A.I.
- Avrutin, E.A.
- Bhattacharyya, D.
- Marsh, J.H.
Publication date
October 1998
DOI Publisher
Institution of Engineering and Technology (IET)Abstract
It is proposed that the recently observed quasi-periodic modulation of the emission spectra of quantum dot lasers is due to interference effects associated with waveguide leakage into the substrate. Such effects could be positively engineered to control laser spectra in such devices
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