All-optical switching in quantum cascade lasers

All-optical switching in quantum cascade lasers

The authors demonstrate the switching of the midinfrared output of a quantum cascade laser (QCL) using a near infrared control laser. The present, unoptimized, device offers 100% modulation depths, at approximately 50% of the maximum QCL output power, and has a switching energy of ∼ 15 nJ . It works...

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Veröffentlicht in:Applied physics letters 2007-01, Vol.90 (5), p.053505-053505-3
Hauptverfasser: Zervos, C., Frogley, M. D., Phillips, C. C., Kundys, D. O., Wilson, L. R., Hopkinson, M., Skolnick, M. S.
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Sprache:eng
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Zusammenfassung:The authors demonstrate the switching of the midinfrared output of a quantum cascade laser (QCL) using a near infrared control laser. The present, unoptimized, device offers 100% modulation depths, at approximately 50% of the maximum QCL output power, and has a switching energy of ∼ 15 nJ . It works as a resettable photon flux integrator which would give it a retiming function if used as a component for optical free space communications
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2435602