Chirped multilayer quantum-dot mode-locked lasers with dual-wavelength and ground-state lasing emissions

Yu Chen Chen; Pin Hsien Hsieh; Kuo-Jui Lin

doi:10.1117/1.JNP.13.016001

Chirped multilayer quantum-dot mode-locked lasers with dual-wavelength and ground-state lasing emissions

Yu Chen Chen, Pin Hsien Hsieh, Kuo-Jui Lin^*

^*Corresponding author for this work

Institute of Electronics

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

2 Scopus citations

Abstract

Monolithic passively mode-locked lasers are investigated based on chirped multilayer InAs/InGaAs quantum-dot (QD) structure. The forward and backward tracings of light-current characteristics show two kinks and two hysteresis loops. The optical spectra reveal two lasing wavelengths around 1273 and 1230 nm, which are identified as two ground-state emissions of two differently chirped QD layers. The corresponding radio-frequency (RF) spectra of high-speed detector reveal two RF peaks at 16.21 and 16.03 GHz, which are attributed to fundamental mode-locking of two respective wavelengths. The laser pulses are confirmed by optical autocorrelator to exhibit dual-wavelength mode-locking. The pulsed characteristics of two lasing wavelengths are also discussed in terms of operating conditions.

Original language	English
Article number	016001
Number of pages	7
Journal	Journal of Nanophotonics
Volume	13
Issue number	1
DOIs	https://doi.org/10.1117/1.JNP.13.016001
State	Published - 1 Jan 2019

Keywords

dual-wavelength lasers
mode-locked lasers
molecular beam epitaxy
quantum dots
semiconductor lasers
LOW-THRESHOLD

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10.1117/1.JNP.13.016001

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title = "Chirped multilayer quantum-dot mode-locked lasers with dual-wavelength and ground-state lasing emissions",

abstract = "Monolithic passively mode-locked lasers are investigated based on chirped multilayer InAs/InGaAs quantum-dot (QD) structure. The forward and backward tracings of light-current characteristics show two kinks and two hysteresis loops. The optical spectra reveal two lasing wavelengths around 1273 and 1230 nm, which are identified as two ground-state emissions of two differently chirped QD layers. The corresponding radio-frequency (RF) spectra of high-speed detector reveal two RF peaks at 16.21 and 16.03 GHz, which are attributed to fundamental mode-locking of two respective wavelengths. The laser pulses are confirmed by optical autocorrelator to exhibit dual-wavelength mode-locking. The pulsed characteristics of two lasing wavelengths are also discussed in terms of operating conditions.",

keywords = "dual-wavelength lasers, mode-locked lasers, molecular beam epitaxy, quantum dots, semiconductor lasers, LOW-THRESHOLD",

author = "Chen, {Yu Chen} and Hsieh, {Pin Hsien} and Kuo-Jui Lin",

note = "Publisher Copyright: {\textcopyright} 2019 Society of Photo-Optical Instrumentation Engineers (SPIE).",

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doi = "10.1117/1.JNP.13.016001",

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T1 - Chirped multilayer quantum-dot mode-locked lasers with dual-wavelength and ground-state lasing emissions

AU - Chen, Yu Chen

AU - Hsieh, Pin Hsien

AU - Lin, Kuo-Jui

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Monolithic passively mode-locked lasers are investigated based on chirped multilayer InAs/InGaAs quantum-dot (QD) structure. The forward and backward tracings of light-current characteristics show two kinks and two hysteresis loops. The optical spectra reveal two lasing wavelengths around 1273 and 1230 nm, which are identified as two ground-state emissions of two differently chirped QD layers. The corresponding radio-frequency (RF) spectra of high-speed detector reveal two RF peaks at 16.21 and 16.03 GHz, which are attributed to fundamental mode-locking of two respective wavelengths. The laser pulses are confirmed by optical autocorrelator to exhibit dual-wavelength mode-locking. The pulsed characteristics of two lasing wavelengths are also discussed in terms of operating conditions.

AB - Monolithic passively mode-locked lasers are investigated based on chirped multilayer InAs/InGaAs quantum-dot (QD) structure. The forward and backward tracings of light-current characteristics show two kinks and two hysteresis loops. The optical spectra reveal two lasing wavelengths around 1273 and 1230 nm, which are identified as two ground-state emissions of two differently chirped QD layers. The corresponding radio-frequency (RF) spectra of high-speed detector reveal two RF peaks at 16.21 and 16.03 GHz, which are attributed to fundamental mode-locking of two respective wavelengths. The laser pulses are confirmed by optical autocorrelator to exhibit dual-wavelength mode-locking. The pulsed characteristics of two lasing wavelengths are also discussed in terms of operating conditions.

KW - dual-wavelength lasers

KW - mode-locked lasers

KW - molecular beam epitaxy

KW - quantum dots

KW - semiconductor lasers

KW - LOW-THRESHOLD

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Chirped multilayer quantum-dot mode-locked lasers with dual-wavelength and ground-state lasing emissions

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