p-i-n junction quantum dot saturable absorber mirror: electrical control of ultrafast dynamics

Zolotovskaya, Svetlana and Butkus, M. and Haring, R. and Able, A. and Kaenders, W. and Krestnikov, I. L. and Livshits, D. A. and Rafailov, E. U. (2012) p-i-n junction quantum dot saturable absorber mirror: electrical control of ultrafast dynamics. Optics Express, 20 (8). pp. 9038-9045. ISSN 1094-4087

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Abstract

We report on nonlinear optical properties of a p-i-n junction quantum dot saturable absorber based on InGaAs/GaAs. Absorption recovery dynamics and nonlinear reflectivity are investigated for different reverse bias and pump power conditions. A decrease in absorption recovery time of nearly two orders of magnitude is demonstrated by applying a voltage between 0 and −20 V. The saturable absorber modulation depth and saturation fluence are found to be independent from the applied reverse bias.

Item Type:
Journal Article
Journal or Publication Title:
Optics Express
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
76099
Deposited By:
Deposited On:
21 Oct 2015 05:05
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 09:26