This paper reports theoretical results which delineate a range of nonlinear dynamical behaviours which arise in nanolasers subject to external optical influences. Firstly attention will be given to the impact of external optical feedback on nanolasers. Secondly the dynamical behaviour of semiconductor nano-lasers under external optical injection will be treated. Finally consideration will be given to effects arising in nano-lasers subject to phase conjugate feedback.
The response of metal clad nano-lasers to direct current modulation has been analysed in both the small signal and large
signal regimes. Calculations have been performed using rate equations which include the Purcell cavity-enhanced
spontaneous emission factor, F, and the spontaneous emission coupling factor β. Calculations of both the small signal
and large signal direct modulation response of nano-lasers indicate opportunities to achieve modulation bandwidth up to
60 GHz with peak responses at resonant frequencies of order 40 GHz and 30 GHz respectively.
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