Highly Efficient Amplified Stimulated Emission from CdSe-CdS-ZnS Quantum Dot Doped Waveguides with Two-Photon Infrared Optical Pumping

Highly Efficient Amplified Stimulated Emission from CdSe-CdS-ZnS Quantum Dot Doped Waveguides with Two-Photon Infrared Optical Pumping

Tunable, room‐temperature, amplified stimulated emission (ASE) is generated in quantum dot (QD)‐doped nanocomposites through two‐photon optical pumping in the near infrared (see figure). Utilizing a zirconia host matrix temporal stability comparable to that of ASE generated through optical pumping i...

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Veröffentlicht in:Advanced materials (Weinheim) 2008-01, Vol.20 (1), p.69-73
Hauptverfasser: Jasieniak, J. J., Fortunati, I., Gardin, S., Signorini, R., Bozio, R., Martucci, A., Mulvaney, P.
Format: Artikel
Sprache:eng
Schlagworte:
Cadmium selenide
Cadmium sulfide
Lasing
Nanocrystals
Nanocrystals, semiconductor
Quantum dots
semiconductor
Waveguides
Zinc sulfide
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Zusammenfassung:Tunable, room‐temperature, amplified stimulated emission (ASE) is generated in quantum dot (QD)‐doped nanocomposites through two‐photon optical pumping in the near infrared (see figure). Utilizing a zirconia host matrix temporal stability comparable to that of ASE generated through optical pumping in the 1‐photon excitation region is demonstrated.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200701582