Rib waveguide dye-doped polymer amplifier with up to 26 dB optical gain at 625 nm

M. A. Reilly, C. Marinelli, C. N. Morgan, R. V. Penty, I. H. White, M. Ramon, M. Ariu, R. Xia, D. D.C. Bradley

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Abstract

We report optical signal amplification in a solid-state dye-doped polymer with a rib waveguide structure. A 625 nm pulsed signal and a collinear 575 nm pump are coupled into a 1 μm × 120 μm poly(methyl methacrylate) waveguide doped with 1% by weight Rhodamine 640 dye. Depending on the signal intensity, a maximum optical gain in the 21-26 dB range is obtained from a 1.2-cm-long device, accompanied by a signal-to-noise ratio in the 9-16 dB range. © 2004 American Institute of Physics.
Original languageEnglish (US)
JournalApplied Physics Letters
Volume85
Issue number22
DOIs
StatePublished - Nov 29 2004
Externally publishedYes

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