Todorov, Y., Jouy, P., Vasanelli, A., Sapienza, L., Colombelli, R., Gennser, U. and Sirtori, C. (2008) Stark-tunable electroluminescence from cavity polariton states. Applied Physics Letters, 93(17), 171105. (doi: 10.1063/1.3002302)
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Abstract
Electric-field tunable electroluminescence from intersubband transitions in a quantum well has been demonstrated via the strong coupling of the electronic transitions with an optical cavity mode. The device consists of a quantum cascade structure embedded in a planar metal-dielectric microcavity where electrons can be resonantly injected at different energies, thanks to the polariton dispersion curve. The electroluminescence tuning shows a strong far field angular dependence in accordance with the conservation of the in-plane momentum. Our experiment illustrates that it is possible to connect quantum optics and electronic transport in semiconductor heterostructures.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Sapienza, Dr Luca |
| Authors: | Todorov, Y., Jouy, P., Vasanelli, A., Sapienza, L., Colombelli, R., Gennser, U., and Sirtori, C. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Applied Physics Letters |
| ISSN: | 0003-6951 |
| ISSN (Online): | 1077-3118 |
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