A 4×4 point to point router based on microring resonators

Huanyu Lu; Junbo Yang; Jingjing Zhang; Wenjun Wu; Jie Huang; Yuanjie Yang

doi:10.1117/12.2196705

15 October 2015 A 4×4 point to point router based on microring resonators

Huanyu Lu, Junbo Yang, Jingjing Zhang, Wenjun Wu, Jie Huang, Yuanjie Yang

Proceedings Volume 9673, AOPC 2015: Micro/Nano Optical Manufacturing Technologies; and Laser Processing and Rapid Prototyping Techniques; 96730D (2015) https://doi.org/10.1117/12.2196705
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

A new 4×4 point to point router is investigated with the transfer matrix method. Its routing paths and low loss of power are successfully demonstrated. The proposed design is easily integrated to a larger scale with less microring resonators, and the power loss from the input port to the output port is demonstrated to be lower than 10%. All of the microrings designed here have the identical radii of 6.98 μm, and they are all in resonance at a wavelength of 1550 nm. Both the gap between the microring and the bus waveguide and the gap between two neighbouring rings are 100 nm. The width of bus waveguide as well as the microrings is designed to be 200 nm. Free spectral range (FSR) is supposed to be around 17 nm based on the parameters above. A large extinction ratio (ER) is also achieved, which shows the high coupling efficiency to a certain extent. Thermal tuning is employed to make the microrings be in resonance or not, not including the two microring resonators in the middle. In other words, the two microrings are always in resonance and transport signals when the input signals pass by them. Hence, only two microrings are needed to deal with if one wants to route a signal. Although this architecture is blocking and not available for multicasting and multiplexing, it is a valuable effort that could be available for some optical experiments on-chip, such as optical interconnection, optical router.

Citation Download Citation

Huanyu Lu, Junbo Yang, Jingjing Zhang, Wenjun Wu, Jie Huang, and Yuanjie Yang "A 4×4 point to point router based on microring resonators", Proc. SPIE 9673, AOPC 2015: Micro/Nano Optical Manufacturing Technologies; and Laser Processing and Rapid Prototyping Techniques, 96730D (15 October 2015); https://doi.org/10.1117/12.2196705

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KEYWORDS

Microrings

Resonators

Waveguides

Signal attenuation

Switching

Chemical elements

Wave propagation

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