Integrated reconfigurable optical add-drop multiplexers based on cascaded microring resonators

We report on an eight-channel reconfigurable optical add-drop multiplexer based on cascaded microring resonators with a high tuning power consumption and a compact footprint. Microheaters are fabricated on top of the microring resonators and can be modulated using the thermo-optic effect to achieve...

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Bibliographic Details
Published in:Journal of semiconductors 2013-09, Vol.34 (9), p.86-91
Main Author: 卢洋洋 田永辉 杨林
Format: Article
Language:English
Subjects:
Channels
Multiplexers
Noise levels
Resonators
Semiconductors
Specifications
Tuning
Unions
信道间隔
可重构光分插复用器
国际电信联盟
微型加热器
微环
级联
谐振器
集成
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Summary:We report on an eight-channel reconfigurable optical add-drop multiplexer based on cascaded microring resonators with a high tuning power consumption and a compact footprint. Microheaters are fabricated on top of the microring resonators and can be modulated using the thermo-optic effect to achieve the reconfigurable functionality of the device. We demonstrate the reconfigurable add-drop multiplexing functionality for channel spacings of 1 O0 GHz and 50 GHz, with the centre wavelengths of the channels aligned to International Telecommunication Union grid specifications. The crosstalk for channel spacings of 100 GHz and 50 GHz are less than -22.5 dB and -15.5 dB, respectively. The average tuning efficiency is about 4.5 mW/nm, and the response speed is about 13.0 kHz.
ISSN:1674-4926
DOI:10.1088/1674-4926/34/9/094012