Coherent state of Wannier-Mott excitons: transformations of nonlinear spatial structures

Yuri I. Balkarey; Alexander S. Cohen; Mordukh I. Elinson; Michael G. Evtikhov; Vladimir S. Posvyanskii

doi:10.1117/12.275636

6 June 1997 Coherent state of Wannier-Mott excitons: transformations of nonlinear spatial structures

Yuri I. Balkarey, Alexander S. Cohen, Mordukh I. Elinson, Michael G. Evtikhov, Vladimir S. Posvyanskii

Proceedings Volume 2994, Physics and Simulation of Optoelectronic Devices V; (1997) https://doi.org/10.1117/12.275636
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

Nonlinear structures of a coherent state of Wannier-Mott excitons sustained by resonant optical pumping in semiconductors are investigated both theoretically and numerically. The structures can originate from both instability with respect to spatial periodic stratification and finite amplitude disturbances, when initial homogeneous state is stable with respect to the small fluctuations. Spectrum of collective excitations and stability of the structures are discussed. Transformations of structures are demonstrated.

Citation Download Citation

Yuri I. Balkarey, Alexander S. Cohen, Mordukh I. Elinson, Michael G. Evtikhov, and Vladimir S. Posvyanskii "Coherent state of Wannier-Mott excitons: transformations of nonlinear spatial structures", Proc. SPIE 2994, Physics and Simulation of Optoelectronic Devices V, (6 June 1997); https://doi.org/10.1117/12.275636

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