Quantum Nonlinear Optics with Polar J-Aggregates in Microcavities
We predict that an ensemble of organic dye molecules with permanent electric dipole moments embedded in a microcavity can lead to strong optical nonlinearities at the single-photon level The strong long-range electrostatic interaction between chromophores due to their introduces the desired nonlinearity of the light matter coupling the microcavity. We develop a semiclassical model to obtain the absorption spectra of a weak probe field under the influence of strong exciton-photon coupling with the cavity field. Using realistic parameters, we demonstrate that a cavity field with an average photon number near unity can significantly modify the absorptive and dispersive response of the medium to a weak probe field at a different frequency. Finally, we show that the system is in the regime of cavity-induced transparency with a broad transparency window for dye dimers. We illustrate our findings using pseudoisocyanine chloride (PIC) J aggregates in currently available optical microcavities.
| Main Authors: | , , , , |
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| Format: | Artículo científico biblioteca |
| Language: | eng |
| Published: |
2015-03-27
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| Subjects: | Teoría cuántica, Dinámica de sistemas, Métodos de simulación, Campos electromagnéticos, Teoría molecular, Teoría atómica, Energía mecánica, Propagación de ondas, |
| Online Access: | http://repositorio.colciencias.gov.co/handle/11146/34060 |
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| Summary: | We predict that an ensemble of organic dye molecules with permanent electric dipole moments embedded in a microcavity can lead to strong optical nonlinearities at the single-photon level The strong long-range electrostatic interaction between chromophores due to their introduces the desired nonlinearity of the light matter coupling the microcavity. We develop a semiclassical model to obtain the absorption spectra of a weak probe field under the influence of strong exciton-photon coupling with the cavity field. Using realistic parameters, we demonstrate that a cavity field with an average photon number near unity can significantly modify the absorptive and dispersive response of the medium to a weak probe field at a different frequency. Finally, we show that the system is in the regime of cavity-induced transparency with a broad transparency window for dye dimers. We illustrate our findings using pseudoisocyanine chloride (PIC) J aggregates in currently available optical microcavities. |
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