One-dimensional arrays of self-assembled InAs/InP quantum dots

Jacques Lefebvre; Philip J. Poole; John P. McCaffrey; Boris Lamontagne; Geof C. Aers; Chien-Ping Lee; ShuFen Hu; Robin L. Williams

doi:10.1117/12.392132

11 July 2000 One-dimensional arrays of self-assembled InAs/InP quantum dots

Jacques Lefebvre, Philip J. Poole, John P. McCaffrey, Boris Lamontagne, Geof C. Aers, Chien-Ping Lee, ShuFen Hu, Robin L. Williams

Author Affiliations +

Proceedings Volume 4078, Optoelectronic Materials and Devices II; (2000) https://doi.org/10.1117/12.392132
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

The Stranski-Krastanov (S-K) self-assembly process produces quantum dots with a large distribution of sizes. In the S-K growth mode, the in-plane spatial distribution of dots is quasi-random. Different strategies have been used to narrow the size distribution and increase the dot-dot spatial correlation. Here, we report a simple method to reduce the height of taller dots by using the P/As exchange exhibited during CBE growth. The fabrication of InAs/InP quantum dots self-assembled into linear arrays through growth on patterned substrates is described. Photoluminescence from one-dimensional arrays is compared with the non-correlated case of quantum dots grown on planar substrates. The interplay between size and spatial distributions is discussed.

Citation Download Citation

Jacques Lefebvre, Philip J. Poole, John P. McCaffrey, Boris Lamontagne, Geof C. Aers, Chien-Ping Lee, ShuFen Hu, and Robin L. Williams "One-dimensional arrays of self-assembled InAs/InP quantum dots", Proc. SPIE 4078, Optoelectronic Materials and Devices II, (11 July 2000); https://doi.org/10.1117/12.392132

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