Multilayer Hybrid Waveguide Amplifier for Three-Dimension Photonic Integrated Circuit

In this letter, a multilayer hybrid waveguide that can be applied to compensate the loss of three-dimension photonic integrated circuit is designed. The multilayer waveguide structure consists of grade index ion-exchange Er 3+ -Yb 3+ co-doped phosphate planar waveguide, step index polymer rectangula...

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Bibliographic Details
Published in:IEEE photonics technology letters 2015-11, Vol.27 (22), p.2411-2413
Main Authors: Yi, Yunji, Wang, Huanran, Liu, Yu, Jiang, Minghui, Wang, Xibin, Wang, Fei, Zhang, Daming
Format: Article
Language:English
Subjects:
Glass
optical amplifier
Optical amplifiers
Optical polymers
Optical pumping
Optical sensors
Optical waveguides
photonic integrated circuit
three dimension hybrid waveguide
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Summary:In this letter, a multilayer hybrid waveguide that can be applied to compensate the loss of three-dimension photonic integrated circuit is designed. The multilayer waveguide structure consists of grade index ion-exchange Er 3+ -Yb 3+ co-doped phosphate planar waveguide, step index polymer rectangular waveguide, and heating electrode. Er 3+ -Yb 3+ co-doped phosphate layer is to provide stable amplification performance. Polymer waveguides are designed to control the optical field distribution. The operating temperature is adjusted using the heating electrode. The optical field of signal light and pump light of the hybrid structure is simulated by finite difference method. The six-level model is introduced to calculate the gain characteristic of the hybrid waveguide amplifier with different Er 3+ concentrations and operating temperatures. The optimized gain of the hybrid structure can be up to 4 dB/cm with the signal power of 0.1 mW and pump power of 200 mW. This hybrid waveguide can be used in the loss compensation and tunable vertical power splitter area.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2015.2467175