Mid-infrared quantum cascade laser arrays with electrical switching of emission frequencies

Aiting Jiang; Seungyong Jung; Yifan Jiang; Karun Vijayraghavan; Jae Hyun Kim; Mikhail A. Belkin

doi:10.1063/1.5046782

Mid-infrared quantum cascade laser arrays with electrical switching of emission frequencies

Aiting Jiang, Seungyong Jung, Yifan Jiang, Karun Vijayraghavan, Jae Hyun Kim, Mikhail A. Belkin

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

4 Scopus citations

Abstract

We present a design of quantum cascade laser arrays made of ridge-waveguide devices in which the emission frequency can be electrically switched between several specified values. Our approach relies on fabricating multiple independently-biased distributed feedback grating sections along the laser ridge waveguides. Switchable single-mode lasing from the laser facet is achieved by balancing the injection pumping of the different grating sections. Our method provides a robust solution that can increase the tuning bandwidth of the quantum cascade laser arrays without increasing the size of the array emission aperture.

Original language	English
Article number	085021
Journal	AIP Advances
Volume	8
Issue number	8
DOIs	https://doi.org/10.1063/1.5046782
State	Published - 1 Aug 2018
Externally published	Yes

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title = "Mid-infrared quantum cascade laser arrays with electrical switching of emission frequencies",

abstract = "We present a design of quantum cascade laser arrays made of ridge-waveguide devices in which the emission frequency can be electrically switched between several specified values. Our approach relies on fabricating multiple independently-biased distributed feedback grating sections along the laser ridge waveguides. Switchable single-mode lasing from the laser facet is achieved by balancing the injection pumping of the different grating sections. Our method provides a robust solution that can increase the tuning bandwidth of the quantum cascade laser arrays without increasing the size of the array emission aperture.",

author = "Aiting Jiang and Seungyong Jung and Yifan Jiang and Karun Vijayraghavan and Kim, {Jae Hyun} and Belkin, {Mikhail A.}",

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AU - Jiang, Aiting

AU - Jung, Seungyong

AU - Jiang, Yifan

AU - Vijayraghavan, Karun

AU - Kim, Jae Hyun

AU - Belkin, Mikhail A.

PY - 2018/8/1

Y1 - 2018/8/1

N2 - We present a design of quantum cascade laser arrays made of ridge-waveguide devices in which the emission frequency can be electrically switched between several specified values. Our approach relies on fabricating multiple independently-biased distributed feedback grating sections along the laser ridge waveguides. Switchable single-mode lasing from the laser facet is achieved by balancing the injection pumping of the different grating sections. Our method provides a robust solution that can increase the tuning bandwidth of the quantum cascade laser arrays without increasing the size of the array emission aperture.

AB - We present a design of quantum cascade laser arrays made of ridge-waveguide devices in which the emission frequency can be electrically switched between several specified values. Our approach relies on fabricating multiple independently-biased distributed feedback grating sections along the laser ridge waveguides. Switchable single-mode lasing from the laser facet is achieved by balancing the injection pumping of the different grating sections. Our method provides a robust solution that can increase the tuning bandwidth of the quantum cascade laser arrays without increasing the size of the array emission aperture.

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Mid-infrared quantum cascade laser arrays with electrical switching of emission frequencies

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