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Peer-reviewedCC BYPhysics Open

Three-level laser with coherent and uncorrelated squeezed lights

  • Tesfaye Bandaw1
  • Edris Salih2
  • Misrak Getahun3
  1. 1Department of Physics, College of Natural and Computational Sciences, Hawassa University, P.O. Box 05, Hawassa, Ethiopia
  2. 2Department of Physics, College of Natural and Computational Sciences, Mizan-Tepi University, P.O. Box 121, Tepi, Ethiopia
  3. 3Department of Physics, College of Natural and Computational Sciences, Hawassa University, P.O. Box 05, Hawassa, Ethiopia; Corresponding author.
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Abstract

The effects of the pump mode coupling the top and bottom levels of the atoms and uncorrelated squeezed vacuum reservoirs on the squeezing and mean photon number of nondegenerate three-level laser have been investigated. Applying the c-number cavity mode variable expectation values associated with the normal ordering at steady state, we have determined the quadrature variances and mean photon number sum and difference. The results show that the coherent light that couples the atoms and the uncorrelated squeeze vacuum reservoir enhance the mean photon number and degree of quadrature squeezing of the two- as well as single-mode cavity lights.

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Cite

BibTeXRIS
BibTeX
@article{bandaw2026threelevel,
  title = {{Three-level laser with coherent and uncorrelated squeezed lights}},
  author = {Tesfaye Bandaw and Edris Salih and Misrak Getahun},
  journal = {Physics Open},
  year = {2026},
  month = oct,
  doi = {10.1016/j.physo.2026.100501},
  url = {https://doi.org/10.1016/j.physo.2026.100501},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Three-level laser with coherent and uncorrelated squeezed lights
AU  - Tesfaye Bandaw
AU  - Edris Salih
AU  - Misrak Getahun
PY  - 2026
DA  - 2026/10/30
JO  - Physics Open
DO  - 10.1016/j.physo.2026.100501
UR  - https://doi.org/10.1016/j.physo.2026.100501
AB  - The effects of the pump mode coupling the top and bottom levels of the atoms and uncorrelated squeezed vacuum reservoirs on the squeezing and mean photon number of nondegenerate three-level laser have been investigated. Applying the c-number cavity mode variable expectation values associated with the normal ordering at steady state, we have determined the quadrature variances and mean photon number sum and difference. The results show that the coherent light that couples the atoms and the uncorrelated squeeze vacuum reservoir enhance the mean photon number and degree of quadrature squeezing of the two- as well as single-mode cavity lights.
SN  - 2666-0326
ER  -