Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary

Micro-ring structures with methylammonium lead bromide (CH3NH3PbBr3)/poly(ethylene oxide) (PEO) composites are fabricated by using a microcapillary as a template. By the fast-drying process, the CH3NH3PbBr3/PEO composite films with a high PEO concentration are deposited to homogeneously cover the in...

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Main Authors: Naho Kurahashi, Hitoshi Mizuno, Fumio Sasaki, Hisao Yanagi
Format: Article
Language:English
Published: AIP Publishing LLC 2021-09-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0057793
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spelling doaj-398cd078351f40c79d6dfb37166b2b4b2021-10-06T14:17:12ZengAIP Publishing LLCAIP Advances2158-32262021-09-01119095301095301-710.1063/5.0057793Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillaryNaho Kurahashi0Hitoshi Mizuno1Fumio Sasaki2Hisao Yanagi3Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0192, JapanGraduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0192, JapanResearch Institute for Advanced Electronics and Photonics, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanGraduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0192, JapanMicro-ring structures with methylammonium lead bromide (CH3NH3PbBr3)/poly(ethylene oxide) (PEO) composites are fabricated by using a microcapillary as a template. By the fast-drying process, the CH3NH3PbBr3/PEO composite films with a high PEO concentration are deposited to homogeneously cover the inner surface of the microcapillaries. Under optical pumping, whispering gallery mode lasing is observed from the inner circumference of microcapillaries, which works as a micro-ring cavity. With a reduction in ϕ, the mode number and lasing threshold fluence decrease, suggesting that the stimulated emission is enhanced based on cavity quantum electrodynamics in the CH3NH3PbBr3/PEO composite films uniformly covering the inside of microcavities.http://dx.doi.org/10.1063/5.0057793
collection DOAJ
language English
format Article
sources DOAJ
author Naho Kurahashi
Hitoshi Mizuno
Fumio Sasaki
Hisao Yanagi
spellingShingle Naho Kurahashi
Hitoshi Mizuno
Fumio Sasaki
Hisao Yanagi
Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
AIP Advances
author_facet Naho Kurahashi
Hitoshi Mizuno
Fumio Sasaki
Hisao Yanagi
author_sort Naho Kurahashi
title Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
title_short Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
title_full Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
title_fullStr Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
title_full_unstemmed Micro-ring laser with CH3NH3PbBr3/PEO composite coated inside microcapillary
title_sort micro-ring laser with ch3nh3pbbr3/peo composite coated inside microcapillary
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2021-09-01
description Micro-ring structures with methylammonium lead bromide (CH3NH3PbBr3)/poly(ethylene oxide) (PEO) composites are fabricated by using a microcapillary as a template. By the fast-drying process, the CH3NH3PbBr3/PEO composite films with a high PEO concentration are deposited to homogeneously cover the inner surface of the microcapillaries. Under optical pumping, whispering gallery mode lasing is observed from the inner circumference of microcapillaries, which works as a micro-ring cavity. With a reduction in ϕ, the mode number and lasing threshold fluence decrease, suggesting that the stimulated emission is enhanced based on cavity quantum electrodynamics in the CH3NH3PbBr3/PEO composite films uniformly covering the inside of microcavities.
url http://dx.doi.org/10.1063/5.0057793
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