Quantum cascade lasers with Y2O3 insulation layer operating at 8.1 µm

Joonhyun Kang; Hyun Duk Yang; Beom Soo Joo; Joon Suh Park; Song Ee Lee; Shinyoung Jeong; Jihoon Kyhm; Moonsup Han; Jin Dong Song; Il Ki Han

doi:10.1364/OE.25.019561

Quantum cascade lasers with Y₂O₃ insulation layer operating at 8.1 µm

Joonhyun Kang, Hyun Duk Yang, Beom Soo Joo, Joon Suh Park, Song Ee Lee, Shinyoung Jeong, Jihoon Kyhm, Moonsup Han, Jin Dong Song, Il Ki Han

Department of Physics

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

5 Scopus citations

Abstract

SiO₂ is a commonly used insulation layer for QCLs but has high absorption peak around 8 to 10 µm. Instead of SiO₂, we used Y₂O₃ as an insulation layer for DC-QCL and successfully demonstrated lasing operation at the wavelength around 8.1 µm. We also showed 2D numerical analysis on the absorption coefficient of our DC-QCL structure with various parameters such as insulating materials, waveguide width, and mesa angle.

Original language	English
Pages (from-to)	19561-19567
Number of pages	7
Journal	Optics Express
Volume	25
Issue number	16
DOIs	https://doi.org/10.1364/OE.25.019561
State	Published - 7 Aug 2017

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title = "Quantum cascade lasers with Y2O3 insulation layer operating at 8.1 µm",

abstract = "SiO2 is a commonly used insulation layer for QCLs but has high absorption peak around 8 to 10 µm. Instead of SiO2, we used Y2O3 as an insulation layer for DC-QCL and successfully demonstrated lasing operation at the wavelength around 8.1 µm. We also showed 2D numerical analysis on the absorption coefficient of our DC-QCL structure with various parameters such as insulating materials, waveguide width, and mesa angle.",

author = "Joonhyun Kang and Yang, \{Hyun Duk\} and Joo, \{Beom Soo\} and Park, \{Joon Suh\} and Lee, \{Song Ee\} and Shinyoung Jeong and Jihoon Kyhm and Moonsup Han and Song, \{Jin Dong\} and Han, \{Il Ki\}",

note = "Publisher Copyright: {\textcopyright} 2017 Optical Society of America",

year = "2017",

month = aug,

day = "7",

doi = "10.1364/OE.25.019561",

language = "English",

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T1 - Quantum cascade lasers with Y2O3 insulation layer operating at 8.1 µm

AU - Kang, Joonhyun

AU - Yang, Hyun Duk

AU - Joo, Beom Soo

AU - Park, Joon Suh

AU - Lee, Song Ee

AU - Jeong, Shinyoung

AU - Kyhm, Jihoon

AU - Han, Moonsup

AU - Song, Jin Dong

AU - Han, Il Ki

PY - 2017/8/7

Y1 - 2017/8/7

N2 - SiO2 is a commonly used insulation layer for QCLs but has high absorption peak around 8 to 10 µm. Instead of SiO2, we used Y2O3 as an insulation layer for DC-QCL and successfully demonstrated lasing operation at the wavelength around 8.1 µm. We also showed 2D numerical analysis on the absorption coefficient of our DC-QCL structure with various parameters such as insulating materials, waveguide width, and mesa angle.

AB - SiO2 is a commonly used insulation layer for QCLs but has high absorption peak around 8 to 10 µm. Instead of SiO2, we used Y2O3 as an insulation layer for DC-QCL and successfully demonstrated lasing operation at the wavelength around 8.1 µm. We also showed 2D numerical analysis on the absorption coefficient of our DC-QCL structure with various parameters such as insulating materials, waveguide width, and mesa angle.

UR - https://www.scopus.com/pages/publications/85026836823

U2 - 10.1364/OE.25.019561

DO - 10.1364/OE.25.019561

M3 - Article

C2 - 29041149

AN - SCOPUS:85026836823

SN - 1094-4087

VL - 25

SP - 19561

EP - 19567

JO - Optics Express

JF - Optics Express

IS - 16

ER -

Quantum cascade lasers with Y₂O₃ insulation layer operating at 8.1 µm

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