Quantum-dot surface emitting distributed feedback lasers using indium-tin-oxide as top claddings

Ting Yuan Chang; Chien-Hung Pan; Kuo Bin Hong; Chien Hung Lin; Kuo-Jui Lin; Chien-Ping Lee; Tien-Chang Lu

doi:10.1109/LPT.2016.2562142

Quantum-dot surface emitting distributed feedback lasers using indium-tin-oxide as top claddings

Ting Yuan Chang, Chien-Hung Pan, Kuo Bin Hong, Chien Hung Lin, Kuo-Jui Lin, Chien-Ping Lee, Tien-Chang Lu^*

^*Corresponding author for this work

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

16 Scopus citations

Abstract

We demonstrate InAs/InGaAs quantum-dot surface emitting distributed feedback (SE-DFB) lasers, using an indium-tin-oxide layer as top cladding, which eliminates the regrowth process used in conventional DFB lasers to greatly simplify laser process. The lasing peak near 1.30 μm realized using the grating period of 375 nm exhibited a 0.13-nm linewidth and a low-temperature red-shift rate of 0.1 nm/K. The laser had a threshold current density of 210 A/cm ² and a characteristic temperature of 94.6 K. The surface emitting laser light had the divergence angles of less than 1° and 8° ∼ 9° along and perpendicular to the grating direction, respectively.

Original language	English
Article number	7465729
Pages (from-to)	1633-1636
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	28
Issue number	15
DOIs	https://doi.org/10.1109/LPT.2016.2562142
State	Published - 1 Aug 2016

Keywords

Distributed feedback lasers
ITO
Quantum dots
Surface emitting lasers

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title = "Quantum-dot surface emitting distributed feedback lasers using indium-tin-oxide as top claddings",

abstract = " We demonstrate InAs/InGaAs quantum-dot surface emitting distributed feedback (SE-DFB) lasers, using an indium-tin-oxide layer as top cladding, which eliminates the regrowth process used in conventional DFB lasers to greatly simplify laser process. The lasing peak near 1.30 μm realized using the grating period of 375 nm exhibited a 0.13-nm linewidth and a low-temperature red-shift rate of 0.1 nm/K. The laser had a threshold current density of 210 A/cm 2 and a characteristic temperature of 94.6 K. The surface emitting laser light had the divergence angles of less than 1° and 8° ∼ 9° along and perpendicular to the grating direction, respectively. ",

keywords = "Distributed feedback lasers, ITO, Quantum dots, Surface emitting lasers",

author = "Chang, {Ting Yuan} and Chien-Hung Pan and Hong, {Kuo Bin} and Lin, {Chien Hung} and Kuo-Jui Lin and Chien-Ping Lee and Tien-Chang Lu",

note = "Publisher Copyright: {\textcopyright} 1989-2012 IEEE.",

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AU - Chang, Ting Yuan

AU - Pan, Chien-Hung

AU - Hong, Kuo Bin

AU - Lin, Chien Hung

AU - Lin, Kuo-Jui

AU - Lee, Chien-Ping

AU - Lu, Tien-Chang

PY - 2016/8/1

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N2 - We demonstrate InAs/InGaAs quantum-dot surface emitting distributed feedback (SE-DFB) lasers, using an indium-tin-oxide layer as top cladding, which eliminates the regrowth process used in conventional DFB lasers to greatly simplify laser process. The lasing peak near 1.30 μm realized using the grating period of 375 nm exhibited a 0.13-nm linewidth and a low-temperature red-shift rate of 0.1 nm/K. The laser had a threshold current density of 210 A/cm 2 and a characteristic temperature of 94.6 K. The surface emitting laser light had the divergence angles of less than 1° and 8° ∼ 9° along and perpendicular to the grating direction, respectively.

AB - We demonstrate InAs/InGaAs quantum-dot surface emitting distributed feedback (SE-DFB) lasers, using an indium-tin-oxide layer as top cladding, which eliminates the regrowth process used in conventional DFB lasers to greatly simplify laser process. The lasing peak near 1.30 μm realized using the grating period of 375 nm exhibited a 0.13-nm linewidth and a low-temperature red-shift rate of 0.1 nm/K. The laser had a threshold current density of 210 A/cm 2 and a characteristic temperature of 94.6 K. The surface emitting laser light had the divergence angles of less than 1° and 8° ∼ 9° along and perpendicular to the grating direction, respectively.

KW - Distributed feedback lasers

KW - ITO

KW - Quantum dots

KW - Surface emitting lasers

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Quantum-dot surface emitting distributed feedback lasers using indium-tin-oxide as top claddings

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