Er3+/Yb3+ co-doped all-fiber Mach-Zehnder interferometer for 1550nm applications

G. Pérez-Sánchez, E. F. Pinzón-Escobar, G. E. Sandoval-Romero, J. A. Álvarez-Chávez

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this work an Er3+/Yb3+ co-doped all-fiber Mach-Zehnder interferometer that could be suitable for telecomm channel selection, temperature sensing or torsion sensing applications is proposed. The experimental array consists of a 980nm pump laser diode at 350mW output power, a 30cm co-doped fiber segment from our own design, and a mechanicallyinduced long period fiber grating in cascade with a tapered section, both on the co-doped fiber. The experimental results show an ASE operation bandwidth spectrum from 1450nm to 1650nm. The resulting interference pattern line-width is around 10nm with a 0.5dBm depth. The theoretical model based on Einsteins rate equations, along with the LPG inhouse fabrication method, and full experimental results are explained.

Original languageEnglish
Title of host publicationInfrared Sensors, Devices, and Applications IV
EditorsPaul D. LeVan, Ashok K. Sood, Priyalal Wijewarnasuriya, Arvind I. D'Souza
PublisherSPIE
ISBN (Electronic)9781628412475
DOIs
StatePublished - 2014
EventInfrared Sensors, Devices, and Applications IV - San Diego, United States
Duration: 18 Aug 201420 Aug 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9220
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceInfrared Sensors, Devices, and Applications IV
Country/TerritoryUnited States
CitySan Diego
Period18/08/1420/08/14

Keywords

  • Er/Yb
  • Mach Zehnder interferometer
  • long period fiber gratings

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