Dynamics of Three-Level Laser Pumped by Electron Bombardment
| dc.contributor.advisor | Kassahun, Fesseha (PhD) | |
| dc.contributor.author | Behailu., Zeleke | |
| dc.date.accessioned | 2018-07-10T09:39:08Z | |
| dc.date.accessioned | 2023-11-09T11:25:24Z | |
| dc.date.available | 2018-07-10T09:39:08Z | |
| dc.date.available | 2023-11-09T11:25:24Z | |
| dc.date.issued | 2017-03 | |
| dc.description.abstract | In this project, we discuss the quantum properties of the light generated by a three-level laser with the closed cavity and coupled to a vacuum reservoir. The three-level atoms available in the closed cavity are pumped from the bottom to the top level by means of electron bombardment. Our analysis is carried out by putting the noise operators associated with the vacuum reser- voir in normal order. We have found that the light emitted from the top level is in a chaotic state in any regime of laser operation. On the other hand, the light emitted from the intermediate level is in a coherent state when the laser is operating well above threshold and is chaotic when the laser is operating at threshold. The maximum quadrature squeezing of the superposed light modes is found to be 50 % below the vacuum-state level. We have shown that the maximum local quadrature squeezing is 64.5 %: Moreover the local quadrature squeezing increases with the frequency interval and approaches to the global quadrature squeezing Keywords: Stimulated emission, Photon statistics, Global and Local Quadra- ture squeezing | en_US |
| dc.identifier.uri | http://10.90.10.223:4000/handle/123456789/7611 | |
| dc.language.iso | en | en_US |
| dc.publisher | Addis Ababa University | en_US |
| dc.subject | Stimulated Emission | en_US |
| dc.subject | Photon Statistics | en_US |
| dc.subject | Global and Local Quadra- Ture Squeezing | en_US |
| dc.title | Dynamics of Three-Level Laser Pumped by Electron Bombardment | en_US |
| dc.type | Thesis | en_US |