2023
DOI: 10.1364/ao.504295
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Mid-IR lasing in HgCdTe multiple quantum well edge-emitting ridges

Vladimir Utochkin,
Konstantin Kudryavtsev,
Vladimir Rumyantsev
et al.

Abstract: Thin HgCdTe/CdHgTe quantum wells (QWs) grown on alternative GaAs (013) substrates have been recently proposed as a material for coherent emitters in the mid-IR region. In this work, we develop a technological process for the fabrication of ridge microresonators in waveguide heterostructures with multiple HgCdTe QWs via photolithography and ion etching. We process two samples with different ridge heights and analyze their emission spectra measured under optical excitation. The width of the emission spectra drop… Show more

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