Effects of dissipation and mode broadening in emission spectra of optical cavities and semiconductor microcavities

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Abstract
Line-broadening effects in the coupled mode spectrum of optical cavities and microcavities are included explicitly by (i) the interaction of the electromagnetic mode with a continuum of electromagnetic modes and (ii) the coupling of the electronic excitations to a dissipative source. The effects of interaction with an electromagnetic continuum are treated within a Fano model, and the electronic excitations are represented by harmonic oscillators. The coupled mode frequencies and their emission spectra are given explicitly in terms of the parameters of these line-broadening mechanisms, with particular attention given to expressions for semiconductor microcavities.