A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms
Dicke superradiance, a single-mode burst of radiation emitted by an ensemble of two-level atoms, has garnered tremendous attention within the physics community. Its extension to multi-level systems introduces additional degrees of freedom, such as mode-selective control over well-known Dicke superra...
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MDPI AG
2025-07-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/12/7/674 |
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| author | Gombojav O. Ariunbold Tuguldur Begzjav |
| author_facet | Gombojav O. Ariunbold Tuguldur Begzjav |
| author_sort | Gombojav O. Ariunbold |
| collection | DOAJ |
| description | Dicke superradiance, a single-mode burst of radiation emitted by an ensemble of two-level atoms, has garnered tremendous attention within the physics community. Its extension to multi-level systems introduces additional degrees of freedom, such as mode-selective control over well-known Dicke superradiant behaviors. However, previous work on the extension to two-mode superradiance in three-level atoms has been largely overlooked for over five decades. In this study, we revisit the two-mode superradiance model for a Λ-type three-level system, where two modes couple to a common excited state and two separate lower levels, offering new insights. For the first time, we obtain exact numerical solutions of the two-mode rate equations for this model. We analyze the temporal evolution of two-mode intensities, superradiance time delays, and quantum noise in the time domain as the number of atoms varies. We believe this work will enable external mode-selective control over superradiance processes—a capability unattainable in the single-mode case. |
| format | Article |
| id | doaj-art-52902aa3f67944f5a2e0dcbda667335f |
| institution | Kabale University |
| issn | 2304-6732 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-52902aa3f67944f5a2e0dcbda667335f2025-08-20T03:56:49ZengMDPI AGPhotonics2304-67322025-07-0112767410.3390/photonics12070674A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level AtomsGombojav O. Ariunbold0Tuguldur Begzjav1Department of Physics and Astronomy, Mississippi State University, Starkville, MS 39762, USADepartment of Physics, National University of Mongolia, Ulaanbaatar 14200, MongoliaDicke superradiance, a single-mode burst of radiation emitted by an ensemble of two-level atoms, has garnered tremendous attention within the physics community. Its extension to multi-level systems introduces additional degrees of freedom, such as mode-selective control over well-known Dicke superradiant behaviors. However, previous work on the extension to two-mode superradiance in three-level atoms has been largely overlooked for over five decades. In this study, we revisit the two-mode superradiance model for a Λ-type three-level system, where two modes couple to a common excited state and two separate lower levels, offering new insights. For the first time, we obtain exact numerical solutions of the two-mode rate equations for this model. We analyze the temporal evolution of two-mode intensities, superradiance time delays, and quantum noise in the time domain as the number of atoms varies. We believe this work will enable external mode-selective control over superradiance processes—a capability unattainable in the single-mode case.https://www.mdpi.com/2304-6732/12/7/674Dicke superradiancetwo-mode superradianceΛ three-level atomLambda configuration |
| spellingShingle | Gombojav O. Ariunbold Tuguldur Begzjav A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms Photonics Dicke superradiance two-mode superradiance Λ three-level atom Lambda configuration |
| title | A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms |
| title_full | A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms |
| title_fullStr | A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms |
| title_full_unstemmed | A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms |
| title_short | A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms |
| title_sort | mode selective control in two mode superradiance from lambda three level atoms |
| topic | Dicke superradiance two-mode superradiance Λ three-level atom Lambda configuration |
| url | https://www.mdpi.com/2304-6732/12/7/674 |
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