Paper
10 January 2005 Design of Er-Yb-codoped phosphate glass waveguide amplifier integrated with multilayer medium thin film filter
Author Affiliations +
Proceedings Volume 5623, Passive Components and Fiber-based Devices; (2005) https://doi.org/10.1117/12.569420
Event: Asia-Pacific Optical Communications, 2004, Beijing, China
Abstract
In this paper, characteristics of erbium-ytterbium co-doped phosphate glass waveguide amplifier integrated with multilayer medium thin film filter is designed theoretically, a S-type geometry waveguide structure is used to achieve a long path in a compact chip, and obtained higher gain with lower Er-doped concentration. The multilayer medium thin film filter is utilized to achieve a broader flattening gain bandwidth. The intrinsical gain spectrum is obtained by solving rate and power propagation equations, the effect of transmittance spectrum of thin film filter on flattening gain is discussed. Average gain of about 17dB is obtained between 1535nm and 1565nm with gain difference of below 3dB.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hai-yan Chen and Yongzhi Liu "Design of Er-Yb-codoped phosphate glass waveguide amplifier integrated with multilayer medium thin film filter", Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); https://doi.org/10.1117/12.569420
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KEYWORDS
Optical filters

Waveguides

Filtering (signal processing)

Optical amplifiers

Thin films

Multilayers

Ytterbium

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