Electroabsorption and carrier dynamics in (Ga,In)As/(Al,In)As asymmetric double quantum wells

Mark F. Krol; Michael J. Hayduk; Richard P. Leavitt; John T. Pham; Sergey Yu. Ten; Brian P. McGinnis; Galina Khitrova; Nasser Peyghambarian

doi:10.1117/12.212718

30 June 1995 Electroabsorption and carrier dynamics in (Ga,In)As/(Al,In)As asymmetric double quantum wells

Mark F. Krol, Michael J. Hayduk, Richard P. Leavitt, John T. Pham, Sergey Yu. Ten, Brian P. McGinnis, Galina Khitrova, Nasser Peyghambarian

Author Affiliations +

Proceedings Volume 2481, Photonic Device Engineering for Dual-Use Applications; (1995) https://doi.org/10.1117/12.212718
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We report enhanced electroabsorption in selectively doped (Ga,In)As/(Al,In)As Asymmetric Double Quantum Wells (ADQWs) by the use of real space electron transfer. The electron concentration in both the wide and narrow wells is investigated by field dependent absorption and photoluminescence spectroscopy. Additionally, a study of carrier dynamics in these ADQW structures indicates that electrons tunnel between the coupled wells on picosecond time-scales.

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Mark F. Krol, Michael J. Hayduk, Richard P. Leavitt, John T. Pham, Sergey Yu. Ten, Brian P. McGinnis, Galina Khitrova, and Nasser Peyghambarian "Electroabsorption and carrier dynamics in (Ga,In)As/(Al,In)As asymmetric double quantum wells", Proc. SPIE 2481, Photonic Device Engineering for Dual-Use Applications, (30 June 1995); https://doi.org/10.1117/12.212718

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