التفاصيل البيبلوغرافية
| العنوان: |
Numerical Simulation of High-Power Optical Amplifiers at 2.3 µm Based on a Special Multicore Fiber. |
| المؤلفون: |
Anashkina, Elena A., Andrianov, Alexey V., Litvak, Alexander G. |
| المصدر: |
Photonics; Jul2023, Vol. 10 Issue 7, p711, 14p |
| مصطلحات موضوعية: |
OPTICAL amplifiers, RAMAN scattering, COMPUTER simulation, THULIUM ions, REMOTE sensing, RAMAN lasers, SEMICONDUCTOR lasers |
| مستخلص: |
The development of high-power laser sources at 2.3 µm is highly demanded for remote sensing and other applications. However, this wavelength is poorly covered by present-day lasers. To obtain 100 W class high-power radiation at 2.3 μm, we propose to use simultaneously cascade laser amplification at 2 and 2.3 µm with a commercially available diode pump at 793 nm and stimulated Raman scattering between the amplified signal waves in a special zinc–tellurite multicore fiber with ten trivalent-thulium-ion-doped cores arranged in a ring. We demonstrate numerically that the use of an out-of-phase supermode (with spatial phases differing by π in neighboring cores) can provide up to 50% efficiency conversion from the 793 nm pump to the 2.3 µm wave. [ABSTRACT FROM AUTHOR] |
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