Transient four-wave mixing in a transparent two-component medium
| Autor: | M. V. Savelyev, V. V. Ivakhnik |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Materials science
Component (thermodynamics) four-wave radiation converter phase conjugation Mechanics lcsh:Q350-390 Atomic and Molecular Physics and Optics Computer Science Applications Four-wave mixing lcsh:Information theory lcsh:QC350-467 Transient (oscillation) Electrical and Electronic Engineering transparent two-component medium lcsh:Optics. Light |
| Zdroj: | Компьютерная оптика, Vol 42, Iss 2, Pp 227-235 (2018) |
| ISSN: | 2412-6179 0134-2452 |
| Popis: | We analyze changes in the spatial structure of an object wave under four-wave mixing in a transparent two-component medium in schemes with opposing and concurrent pump waves. It is shown that in the spatial spectrum of the object wave there is a dip, whose position is determined by the propagation direction of the second pump wave. Angular rotation and frequency shift of the pump waves lead to a decrease in the conversion efficiency of high spatial frequencies. The bandwidth of the spatial frequencies cut out by the four-wave radiation converter decreases monotonically over time, whereas the bandwidth of the most efficiently converted spatial frequencies increases. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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