High-gain broadband optical-waveguide amplifiers

A novel wideband and high‐gain waveguide‐amplifier structure, which consists of a folded geometry erbium‐ytterbium co‐doped phosphate glass waveguide integrated with a cascaded multilayer medium thin‐film filter (CMMTFF), is proposed. This CMMTFF consists of some different filter‐unit cells with dif...

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Veröffentlicht in:	Microwave and optical technology letters 2004-07, Vol.42 (1), p.64-66
Hauptverfasser:	Chen, Haiyan, Liu, Yongzhi, Dai, Jizhi, Yang, Yapei
Format:	Artikel
Sprache:	eng
Schlagworte:	cascaded multilayer medium thin-film filter folded erbium-ytterbium co-doped phosphate glass waveguide gain flattened optical amplifier optical waveguide amplifier
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Zusammenfassung:	A novel wideband and high‐gain waveguide‐amplifier structure, which consists of a folded geometry erbium‐ytterbium co‐doped phosphate glass waveguide integrated with a cascaded multilayer medium thin‐film filter (CMMTFF), is proposed. This CMMTFF consists of some different filter‐unit cells with different central wavelengths and bandwidths, and each of them can suppress a certain gain peak at a specific wavelength. The gain characteristics of this new optical amplifiers is obtained. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 64–66, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20208
ISSN:	0895-2477 1098-2760
DOI:	10.1002/mop.20208