Emission cross-section synthesis in rare earth doped optical fiber

Kyunghwan Oh, S. Yoo, U. C. Ryu, S. T. Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Novel techniques to control the effective emission cross section of a rare earth doped optical fiber with a functional cladding structure are reviewed for applications in active fiber devices. Firstly we discuss evanescent wave filtering technique based on the overlap in the radiative transition cross sections between the emitting ion in the core and the absorbing ion in the inner cladding. Secondly a W-type three layered fiber structure is analyzed in terms of modal guidance and location of the LP01 mode cut-off, by which the emission at the longer wavelength is selectively attenuated. The design concepts, fabrication process, and device performances are discussed for each application.

Original languageEnglish
Title of host publicationOptical Amplifiers and Their Applications, OAA 2005
PublisherOptical Society of America
ISBN (Print)1557527903, 9781557527905
Publication statusPublished - 2005 Jan 1
EventOptical Amplifiers and Their Applications, OAA 2005 - Budapest, Hungary
Duration: 2005 Aug 72005 Aug 7

Other

OtherOptical Amplifiers and Their Applications, OAA 2005
CountryHungary
CityBudapest
Period05/8/705/8/7

Fingerprint

Rare earth-doped fibers
Optical fibers
rare earth elements
optical fibers
fibers
Fibers
cross sections
evanescent waves
Ions
synthesis
ions
cut-off
Fabrication
Wavelength
fabrication
wavelengths

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Oh, K., Yoo, S., Ryu, U. C., & Kim, S. T. (2005). Emission cross-section synthesis in rare earth doped optical fiber. In Optical Amplifiers and Their Applications, OAA 2005 Optical Society of America.
Oh, Kyunghwan ; Yoo, S. ; Ryu, U. C. ; Kim, S. T. / Emission cross-section synthesis in rare earth doped optical fiber. Optical Amplifiers and Their Applications, OAA 2005. Optical Society of America, 2005.
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Oh, K, Yoo, S, Ryu, UC & Kim, ST 2005, Emission cross-section synthesis in rare earth doped optical fiber. in Optical Amplifiers and Their Applications, OAA 2005. Optical Society of America, Optical Amplifiers and Their Applications, OAA 2005, Budapest, Hungary, 05/8/7.

Emission cross-section synthesis in rare earth doped optical fiber. / Oh, Kyunghwan; Yoo, S.; Ryu, U. C.; Kim, S. T.

Optical Amplifiers and Their Applications, OAA 2005. Optical Society of America, 2005.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Novel techniques to control the effective emission cross section of a rare earth doped optical fiber with a functional cladding structure are reviewed for applications in active fiber devices. Firstly we discuss evanescent wave filtering technique based on the overlap in the radiative transition cross sections between the emitting ion in the core and the absorbing ion in the inner cladding. Secondly a W-type three layered fiber structure is analyzed in terms of modal guidance and location of the LP01 mode cut-off, by which the emission at the longer wavelength is selectively attenuated. The design concepts, fabrication process, and device performances are discussed for each application.

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Oh K, Yoo S, Ryu UC, Kim ST. Emission cross-section synthesis in rare earth doped optical fiber. In Optical Amplifiers and Their Applications, OAA 2005. Optical Society of America. 2005