Pb1–xEuxTe alloys (0 ⩽ x ⩽ 1) as materials for vertical-cavity surface-emitting lasers in the mid-infrared spectral range of 4–5 μm


Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

The optical properties of epitaxial layers and heterostructures based on Pb1–xEuxTe alloys (0 ⩽ x ⩽ 1) are analyzed in the context of designing Bragg mirrors and vertical-cavity surface-emitting lasers for the midinfrared spectral range. It is shown that the optimal heteropair for laser microcavities is Pb1–xEuxTe(x ≈ 0.06)/EuTe. On the basis of this heteropair, highly reflective Bragg mirrors consisting of just three periods and featuring a reflectance of R ⩾ 99.8% at the center of the stop band are grown by molecular-beam epitaxy on BaF2 (111) substrates. Single-mode optically pumped vertical-cavity surface-emitting lasers for the 4–5 μm spectral range operating at liquid-nitrogen temperatures are demonstrated.

Авторлар туралы

D. Pashkeev

Lebedev Physical Institute

Хат алмасуға жауапты Автор.
Email: d.pashkeev@gmail.com
Ресей, Moscow, 119991

Yu. Selivanov

Lebedev Physical Institute

Email: d.pashkeev@gmail.com
Ресей, Moscow, 119991

E. Chizhevskii

Lebedev Physical Institute

Email: d.pashkeev@gmail.com
Ресей, Moscow, 119991

I. Zasavitskiy

Lebedev Physical Institute

Email: d.pashkeev@gmail.com
Ресей, Moscow, 119991

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