Optomechanically induced gain using a trapped interacting Bose-Einstein condensate
Abstract We investigate the realization of the phenomenon of optomechanically induced gain in a hybrid optomechanical system consisting of an interacting Bose-Einstein condensate trapped inside the optical lattice of a cavity which is generated by an external coupling laser tuned to the red sideband...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-03-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-30573-4 |
| _version_ | 1797864837577965568 |
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| author | H. Mikaeili A. Dalafi M. Ghanaatshoar B. Askari |
| author_facet | H. Mikaeili A. Dalafi M. Ghanaatshoar B. Askari |
| author_sort | H. Mikaeili |
| collection | DOAJ |
| description | Abstract We investigate the realization of the phenomenon of optomechanically induced gain in a hybrid optomechanical system consisting of an interacting Bose-Einstein condensate trapped inside the optical lattice of a cavity which is generated by an external coupling laser tuned to the red sideband of the cavity. It is shown that the system behaves as an optical transistor while the cavity is exposed to a weak input optical signal which can be amplified considerably in the cavity output if the system is in the unresolved sideband regime. Interestingly, the system has the capability to switch from the resolved to unresolved sideband regime by controlling the s-wave scattering frequency of atomic collisions. We show that the system gain can be enhanced considerably by controlling the s-wave scattering frequency as well as the coupling laser intensity while the system remains in the stable regime. Based on our obtained results, the input signal can be amplified more than 100 million percent in the system output which is much larger than those already reported in the previously proposed similar schemes. |
| first_indexed | 2024-04-09T22:58:26Z |
| format | Article |
| id | doaj.art-70d8431d780843ae800c48c4b96d29a9 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-04-09T22:58:26Z |
| publishDate | 2023-03-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-70d8431d780843ae800c48c4b96d29a92023-03-22T11:06:33ZengNature PortfolioScientific Reports2045-23222023-03-0113111010.1038/s41598-023-30573-4Optomechanically induced gain using a trapped interacting Bose-Einstein condensateH. Mikaeili0A. Dalafi1M. Ghanaatshoar2B. Askari3Laser and Plasma Research Institute, Shahid Beheshti UniversityLaser and Plasma Research Institute, Shahid Beheshti UniversityLaser and Plasma Research Institute, Shahid Beheshti UniversityDepartment of Physics, Shahid Beheshti UniversityAbstract We investigate the realization of the phenomenon of optomechanically induced gain in a hybrid optomechanical system consisting of an interacting Bose-Einstein condensate trapped inside the optical lattice of a cavity which is generated by an external coupling laser tuned to the red sideband of the cavity. It is shown that the system behaves as an optical transistor while the cavity is exposed to a weak input optical signal which can be amplified considerably in the cavity output if the system is in the unresolved sideband regime. Interestingly, the system has the capability to switch from the resolved to unresolved sideband regime by controlling the s-wave scattering frequency of atomic collisions. We show that the system gain can be enhanced considerably by controlling the s-wave scattering frequency as well as the coupling laser intensity while the system remains in the stable regime. Based on our obtained results, the input signal can be amplified more than 100 million percent in the system output which is much larger than those already reported in the previously proposed similar schemes.https://doi.org/10.1038/s41598-023-30573-4 |
| spellingShingle | H. Mikaeili A. Dalafi M. Ghanaatshoar B. Askari Optomechanically induced gain using a trapped interacting Bose-Einstein condensate Scientific Reports |
| title | Optomechanically induced gain using a trapped interacting Bose-Einstein condensate |
| title_full | Optomechanically induced gain using a trapped interacting Bose-Einstein condensate |
| title_fullStr | Optomechanically induced gain using a trapped interacting Bose-Einstein condensate |
| title_full_unstemmed | Optomechanically induced gain using a trapped interacting Bose-Einstein condensate |
| title_short | Optomechanically induced gain using a trapped interacting Bose-Einstein condensate |
| title_sort | optomechanically induced gain using a trapped interacting bose einstein condensate |
| url | https://doi.org/10.1038/s41598-023-30573-4 |
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