Up-conversion and self-stimulated Raman laser in a codoped microsphere - Details

author：

Huang, Y. (Huang, Y..) ^[1] | Zhang, P. (Zhang, P..) ^[2] | Guo, C. (Guo, C..) ^[3]

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Abstract：

In　this　letter,　Yb3+-Eu3　codoped　sol-gel　films　are　applied　to　the　surface　of　silica　microspheres.　Under　the　excitation　with　976　nm　laser,　we　observe　the　luminescence　of　Eu3　with　relatively　low　pump　power.　The　Yb3　→　Eu3　energy　transfer　process　and　the　pump　power　dependence　are　studied.　Because　of　high　energy　density　of　the　Yb　3+-Eu3+　codoped　microsphere　(YECM),　the　threshold　power　for　the　downconversion　(Yb3+:2F5/2　→　2　F7/2)　laser　is　as　low　as　8.99　μW.　In　addition,　a　self-stimulated　cascaded　Raman　laser　(SSCRL)　is　observed,　which　is　stimulated　by　the　down-conversion　laser　of　the　YECM.　©　1989-2012　IEEE.

Keyword：

Cooperative energy transfer; low threshold; optical fiber taper; sol-gel; SSCRL; YECM

Community：

[ 1 ] [Huang, Y.]Department of Physics and Information Engineering, Fuzhou University, Fu Zhou 350108, China
[ 2 ] [Zhang, P.]Department of Physics and Information Engineering, Fuzhou University, Fu Zhou 350108, China
[ 3 ] [Guo, C.]Department of Physics and Information Engineering, Fuzhou University, Fu Zhou 350108, China
[ 4 ] [Huang, Y.]Department of Physics and Information Engineering, Fuzhou University, Fu Zhou 350108, China

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Source ：

IEEE Photonics Technology Letters

ISSN： 1041-1135

Year： 2013

Issue： 14

Volume： 25

Page： 1385-1388

2 . 1 7 6

JCR@2013

2 . 3 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：2

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SCOPUS Cited Count： 17

ESI Highly Cited Papers on the List： 0 Unfold All

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