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

Svetlana A. Zolotovskaya; Mantas Butkus; Reto Haering; Andreas Able; Wilhelm Kaenders; Igor L. Krestnikov; Daniil A. Livshits; Edik U. Rafailov

doi:10.1364/OE.20.009038

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

Svetlana A. Zolotovskaya, Mantas Butkus, Reto Haering, Andreas Able, Wilhelm Kaenders, Igor L. Krestnikov, Daniil A. Livshits, Edik U. Rafailov

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	9038-9045
Journal	Optics Express
Volume	20
Issue number	8
DOIs	https://doi.org/10.1364/OE.20.009038
Publication status	Published - 2012

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10.1364/OE.20.009038

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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.",

author = "Zolotovskaya, {Svetlana A.} and Mantas Butkus and Reto Haering and Andreas Able and Wilhelm Kaenders and Krestnikov, {Igor L.} and Livshits, {Daniil A.} and Rafailov, {Edik U.}",

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AU - Zolotovskaya, Svetlana A.

AU - Butkus, Mantas

AU - Haering, Reto

AU - Able, Andreas

AU - Kaenders, Wilhelm

AU - Krestnikov, Igor L.

AU - Livshits, Daniil A.

AU - Rafailov, Edik U.

PY - 2012

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AB - 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.

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ER -

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

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