Continuous-wave emission from midinfrared IV–VI vertical-cavity surface-emitting lasers

Continuous-wave emission from midinfrared IV–VI vertical-cavity surface-emitting lasers

Continuous-wave emission of two midinfrared PbSe vertical-cavity surface-emitting laser structures is presented. For both structures, optically pumped cw laser emission is observed at a wavelength of about 7.9 μm. Stimulated emission is found up to temperatures of 80 K. We achieved internal threshol...

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Veröffentlicht in:Applied physics letters 2004-04, Vol.84 (17), p.3268-3270
Hauptverfasser: Fürst, J., Pascher, H., Schwarzl, T., Böberl, M., Springholz, G., Bauer, G., Heiss, W.
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container_end_page 3270
container_issue 17
container_start_page 3268
container_title Applied physics letters
container_volume 84
creator Fürst, J.
Pascher, H.
Schwarzl, T.
Böberl, M.
Springholz, G.
Bauer, G.
Heiss, W.
description Continuous-wave emission of two midinfrared PbSe vertical-cavity surface-emitting laser structures is presented. For both structures, optically pumped cw laser emission is observed at a wavelength of about 7.9 μm. Stimulated emission is found up to temperatures of 80 K. We achieved internal threshold pump intensities of down to 25 W/cm2, which is two orders of magnitude smaller than reported so far. The linewidth of the laser emission is only 18 μeV (0.9 nm) with a strong narrowing as compared to the linewidth of the cavity resonance. Continuous-wave output powers are up to 350 μW.
doi_str_mv 10.1063/1.1719277
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title Continuous-wave emission from midinfrared IV–VI vertical-cavity surface-emitting lasers
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