Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator

Based on the polarization conversion in a tapered fiber-coupled whispering gallery mode (WGM) system, a simple-structured narrow linewidth band-pass filter was fabricated and a narrow linewidth ring laser was demonstrated. With a fiber Bragg grating (FBG) to further select the resonant mode, the rin...

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Autores principales:	Pengfa Chang, Chen Wang, Hong Han, Feng Gao, Ligang Huang, Anbang Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	whispering gallery mode resonator vector mode add–drop filter narrow-linewidth laser all-fiber ring laser Crystallography QD901-999
Acceso en línea:	https://doaj.org/article/b661435250d34b37b0de070c9ccf0bc8
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id	oai:doaj.org-article:b661435250d34b37b0de070c9ccf0bc8
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spelling	oai:doaj.org-article:b661435250d34b37b0de070c9ccf0bc82021-11-25T17:17:40ZTunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator10.3390/cryst111112852073-4352https://doaj.org/article/b661435250d34b37b0de070c9ccf0bc82021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4352/11/11/1285https://doaj.org/toc/2073-4352Based on the polarization conversion in a tapered fiber-coupled whispering gallery mode (WGM) system, a simple-structured narrow linewidth band-pass filter was fabricated and a narrow linewidth ring laser was demonstrated. With a fiber Bragg grating (FBG) to further select the resonant mode, the ring laser could be in the single-longitudinal-mode with the linewidth about 6 kHz and its wavelength could be tuned from 1540.10 nm to 1570.01 nm. Benefit from the dense modes in the WGM resonator, high conversion efficiency, and better stability of the structure, a tunable dual-wavelength laser could be achieved based on two FBGs with different resonant wavelengths. The configuration of the proposed laser is simple and stable, which will benefit its applications in the future.Pengfa ChangChen WangHong HanFeng GaoLigang HuangAnbang WangMDPI AGarticlewhispering gallery mode resonatorvector modeadd–drop filternarrow-linewidth laserall-fiber ring laserCrystallographyQD901-999ENCrystals, Vol 11, Iss 1285, p 1285 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	whispering gallery mode resonator vector mode add–drop filter narrow-linewidth laser all-fiber ring laser Crystallography QD901-999
spellingShingle	whispering gallery mode resonator vector mode add–drop filter narrow-linewidth laser all-fiber ring laser Crystallography QD901-999 Pengfa Chang Chen Wang Hong Han Feng Gao Ligang Huang Anbang Wang Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
description	Based on the polarization conversion in a tapered fiber-coupled whispering gallery mode (WGM) system, a simple-structured narrow linewidth band-pass filter was fabricated and a narrow linewidth ring laser was demonstrated. With a fiber Bragg grating (FBG) to further select the resonant mode, the ring laser could be in the single-longitudinal-mode with the linewidth about 6 kHz and its wavelength could be tuned from 1540.10 nm to 1570.01 nm. Benefit from the dense modes in the WGM resonator, high conversion efficiency, and better stability of the structure, a tunable dual-wavelength laser could be achieved based on two FBGs with different resonant wavelengths. The configuration of the proposed laser is simple and stable, which will benefit its applications in the future.
format	article
author	Pengfa Chang Chen Wang Hong Han Feng Gao Ligang Huang Anbang Wang
author_facet	Pengfa Chang Chen Wang Hong Han Feng Gao Ligang Huang Anbang Wang
author_sort	Pengfa Chang
title	Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
title_short	Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
title_full	Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
title_fullStr	Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
title_full_unstemmed	Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator
title_sort	tunable narrow-linewidth ring laser based on the polarization conversion in a tapered fiber-coupled whispering gallery mode resonator
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b661435250d34b37b0de070c9ccf0bc8
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Tunable Narrow-Linewidth Ring Laser Based on the Polarization Conversion in a Tapered Fiber-Coupled Whispering Gallery Mode Resonator

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