Telecom-band lasing in single InP/InAs heterostructure nanowires at room temperature

Science Advances
Guoqiang ZhangHideki Gotoh

Abstract

Telecom-band single nanowire lasers made by the bottom-up vapor-liquid-solid approach, which is technologically important in optical fiber communication systems, still remain challenging. Here, we report telecom-band single nanowire lasers operating at room temperature based on multi-quantum-disk InP/InAs heterostructure nanowires. Transmission electron microscopy studies show that highly uniform multi-quantum-disk InP/InAs structure is grown in InP nanowires by self-catalyzed vapor-liquid-solid mode using indium particle catalysts. Optical excitation of individual nanowires yielded lasing in telecom band operating at room temperature. We show the tunability of laser wavelength range in telecom band by modulating the thickness of single InAs quantum disks through quantum confinement along the axial direction. The demonstration of telecom-band single nanowire lasers operating at room temperature is a major step forward in providing practical integrable coherent light sources for optoelectronics and data communication.

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Citations

Sep 22, 2020·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Xiaoming YuanHark Hoe Tan
Jun 19, 2020·Optics Express·Xiaoming YuanChennupati Jagadish
Aug 10, 2020·Nature Communications·Yunxu ChenLei Fu
Dec 5, 2019·Accounts of Chemical Research·Seokhyoung Kim, James F Cahoon
Mar 28, 2021·Optics Express·Preksha TiwariKirsten E Moselund
May 1, 2021·Journal of the American Chemical Society·Yi LiShu-Hong Yu
May 11, 2021·ACS Nano·Xutao ZhangChennupati Jagadish
Jun 19, 2021·Nano Letters·Wei Wen WongHark Hoe Tan
Oct 23, 2019·Nano Letters·Hisashi SumikuraMasaya Notomi
Nov 20, 2021·Science Advances·Naijia LiuJan Schroers
Jan 4, 2022·Nano Letters·Shawulienu KezilebiekeJose L Lado

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Methods Mentioned

BETA
scanning electron microscopy
transmission electron microscopy
electron diffraction

Software Mentioned

GPA

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