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Proceedings Paper

Low power and compact eight-channel reconfigurable optical add-drop multiplexers based on cascaded microring resonators
Author(s): Yonghui Tian; Ruiqiang Ji; Lei Zhang; Jianfeng Ding; Hongtao Chen; Lin Yang
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Paper Abstract

We report an eight-channel reconfigurable optical add-drop multiplexers (ROADMs) based on cascaded microring resonators with low power-consumption and compact footprint. Microheaters are fabricated on top of the microring resonators, which can be modulated through the thermo-optic effect to achieve the reconfigurability of the device. We demonstrate the reconfigurable add-drop multiplexing functionality with the channel spacings of 100GHz and 50GHz, with the channel centre wavelengths aligned to the International Telecommunication Unit (ITU) grid. The crosstalks for the two channel spacings are less than -22.5dB and -15.5dB, respectively. The tuning efficiency is about 4.854 mw/nm and the tuning speed is about 12.4 kHz.

Paper Details

Date Published: 7 December 2011
PDF: 9 pages
Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 83070O (7 December 2011); doi: 10.1117/12.904280
Show Author Affiliations
Yonghui Tian, Institute of Semiconductors (China)
Ruiqiang Ji, Institute of Semiconductors (China)
Lei Zhang, Institute of Semiconductors (China)
Jianfeng Ding, Institute of Semiconductors (China)
Hongtao Chen, Institute of Semiconductors (China)
Lin Yang, Institute of Semiconductors (China)


Published in SPIE Proceedings Vol. 8307:
Passive Components and Fiber-Based Devices VIII

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