Microdisc HgCdTe lasers operating at 22-25 μm under optical pumping

Anna  Razova,Vladimir  Ruumyantsev,Ksenia  Mazhukina,Vladimir  Utochkin,Mikhail  Fadeev,Alexander  Dubinov,Vladimir  Aleshkin,Nikolay  Mikhailov,Sergey  Dvoretsky,Dmitriy  Shengurov,Nikita  Gusev,Elena  Morozova,Vladimir  Gavrilenko,Sergey  Morozov

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Microdisc HgCdTe lasers operating at 22-25 μm under optical pumping

A. Razova,

V. Ruumyantsev,

K. Mazhukina,

V. Utochkin,

M. Fadeev,

A. Dubinov,

V. Aleshkin,

N. Mikhailov,

S. Dvoretsky,

D. Shengurov,

N. Gusev,

E. Morozova,

V. Gavrilenko,

S. Morozov

2025-01-24

https://doi.org/10.24108/preprints-3113368

Lasing from HgCdTe microdisc cavities is demonstrated at wavelengths as long as 22 — 25 μm. The optical threshold and operation temperature are far from being limited by intrinsic recombination processes. The employed ion etching technology appears to introduce additional defects in the vicinity of the microdiscs, degrading figures of merit as the height of the cavity increases. However, a watt-level mid-infrared pumping source should suffice for lasing in microdiscs with moderate height and ~100 μm diameter.

Ссылка для цитирования:

Razova A., Ruumyantsev V., Mazhukina K., Utochkin V., Fadeev M., Dubinov A., Aleshkin V., Mikhailov N., Dvoretsky S., Shengurov D., Gusev N., Morozova E., Gavrilenko V., Morozov S. 2025. Microdisc HgCdTe lasers operating at 22-25 μm under optical pumping. PREPRINTS.RU. https://doi.org/10.24108/preprints-3113368

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