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Feasibility study for degenerate two-photon gain in a semiconductor microcavity

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3 Author(s)
Marti, D.H. ; Ecole Polytechnique Fed. de Lausanne, Inst. de Photonique et d''Electronique Quantique, Lausanne, Switzerland ; Dupertuis, M.-A. ; Deveaud, B.

We analyze the magnitude of degenerate two-photon gain of several quantum wells (QWs) in a resonant microcavity which is pumped off-resonantly by an optical field. A set of coupled phenomenological rate equations for electron-hole pairs and photons is derived. In the framework of this model, we make a realistic prediction of the time-integrated two-photon gain and find that a λ-cavity containing 11 QWs would give a maximal amplification of ∼2.3% for a peak intensity of ∼80 MW/cm2. A better insight into the dependence of the gain on the various physical parameters is given by an analytical formula resulting from various approximations on the rate equations.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:39 ,  Issue: 9 )

Date of Publication:

Sept. 2003

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