Continuous-wave operation of InAs/InP quantum dot tunable external-cavity laser grown by metal-organic chemical vapor deposition

doi:10.1088/1674-1056/abcfa4

Abstract We demonstrate high-performance broadband tunable external-cavity lasers (ECLs) with the metal-organic chemical vapor deposition (MOCVD) grown InAs/InP quantum dots (QDs) structures. Without cavity facet coatings, the 3-dB spectral bandwidth of the Fabry-Perot (FP) laser is approximately 10.8 nm, while the tuning bandwidth of ECLs is 45 nm. Combined with the anti-reflection (AR) /high-reflection (HR) facet coating, a 92 nm bandwidth tuning range has been obtained with the wavelength covering from 1414 nm to 1506 nm. In most of the tuning range, the threshold current density is lower than 1.5 kA/cm². The maximum output power of 6.5 mW was achieved under a 500 mA injection current. All achievements mentioned above were obtained under continuous-wave (CW) mode at room temperature (RT).

Keywords: InAs/InP quantum dot external-cavity laser continuous-wave operation metal-organic chemical vapor deposition

Received: 17 September 2020
Revised: 06 November 2020
Accepted manuscript online: 02 December 2020

PACS:	81.07.Ta	(Quantum dots)
	81.16.Dn	(Self-assembly)
	81.05.Ea	(III-V semiconductors)
	78.67.Hc	(Quantum dots)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61974141), Tianjin Municipal Science and Technology Bureau, and Science and Technology Innovation Bureau of China-Singapore Tianjin Eco-City.

Corresponding Authors: ^†Corresponding author. E-mail: qudi@hchiptech.com

Cite this article:

Yan Wang(王岩), Shuai Luo(罗帅), Haiming Ji(季海铭), Di Qu(曲迪), and Yidong Huang(黄翊东) Continuous-wave operation of InAs/InP quantum dot tunable external-cavity laser grown by metal-organic chemical vapor deposition 2021 Chin. Phys. B 30 018106

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Continuous-wave operation of InAs/InP quantum dot tunable external-cavity laser grown by metal-organic chemical vapor deposition

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