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Journal article

Bandwidth and wavelength-tunable optical bandpass filter based on silicon microring-MZI structure

By Ding, Yunhong1; Pu, Minhao1,2; Liu, Liu1; Xu, Jing1,3; Peucheret, Christophe1,3; Zhang, Xinliang4; Huang, Dexiu4; Ou, Haiyan1,2

From

Department of Photonics Engineering, Technical University of Denmark1

Nanophotonic Devices, Department of Photonics Engineering, Technical University of Denmark2

Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark3

Huazhong University of Science and Technology4

A novel and simple bandwidth and wavelength-tunable optical bandpass filter based on silicon microrings in a Mach-Zehnder interferometer (MZI) structure is proposed and demonstrated. In this filter design, the drop transmissions of two microring resonators are combined to provide the desired tunability.

A detailed analysis and the design of the device are presented. The shape factor and extinction ratio of the filter are optimized by thermally controlling the phase difference between the two arms of the MZI. Simultaneous bandwidth and wavelength tunability with in-band ripple control is demonstrated by thermally tuning the resonance offset between the two microring resonators.

Language: English
Year: 2011
Pages: 6462-6470
ISSN: 10944087
Types: Journal article
DOI: 10.1364/OE.19.006462
ORCIDs: Ding, Yunhong , Pu, Minhao and Ou, Haiyan
Keywords

Components Integrated optics devices Resonators Wavelength filtering devices

Other keywords

Equipment Design Equipment Failure Analysis Filtration Miniaturization Optical Devices Refractometry Silicon

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