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Spatial coherence of polaritons in a 1D channel |
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| Authors: | I G Savenko I V Iorsh M A Kaliteevski I A Shelykh |
| Institution: | 1. Academic University, Research and Education Center of Nanotechnologies, Russian Academy of Sciences, St. Petersburg, 194021, Russia 2. Science Institute, University of Iceland, Dunhagi, Reykjavik, Iceland 4. Division of Physics and Applied Physic, Nanyang Technological University, 637371, Singapore, Singapore 3. National Research University of Information Technologies, Mechanics and Optics, St. Petersburg, 197001, Russia 5. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia |
| Abstract: | We analyze time evolution of spatial coherence of a polariton ensemble in a quantum wire (1D channel) under constant uniform resonant pumping. Using the theoretical approach based on the Lindblad equation for a one-particle density matrix, which takes into account the polariton-phonon and excitonexciton interactions, we study the behavior of the first-order coherence function g 1 for various pump intensities and temperatures in the range of 1–20 K. Bistability and hysteresis in the dependence of the first-order coherence function on the pump intensity is demonstrated. |
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