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Title: Erbium-doped waveguide amplifiers fabricated using focused proton beam writing
Authors: Liu, K.
Pun, E.Y.B.
Sum, T.C. 
Bettiol, A.A. 
Van Kan, J.A. 
Watt, F. 
Issue Date: 2-Feb-2004
Citation: Liu, K., Pun, E.Y.B., Sum, T.C., Bettiol, A.A., Van Kan, J.A., Watt, F. (2004-02-02). Erbium-doped waveguide amplifiers fabricated using focused proton beam writing. Applied Physics Letters 84 (5) : 684-686. ScholarBank@NUS Repository.
Abstract: The proton beam writing (PBW) used to fabricate buried channel waveguides in Er3+-Yb3+ codoped with phosphate glass was investigated. Single 2.0 MeV proton beam energy and proton ion doses in the range of 1014-1015 ions/cm2 were used. The fluorescence and amplified spontaneous emission (ASE) spectra of the bulk glasses and waveguides were also measured. The results show that the net gain of the waveguide amplifiers at 1.534 μm single wavelength was ≅ 1.72dB/cm at 975 nm wavelength with 100 mW pump power.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.1644922
Appears in Collections:Staff Publications

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