NDLI: Design of integrated optical beam steerer based on cascaded ring resonator

Content Provider	IEEE Xplore Digital Library
Author	Shiyang Zhu Guo-Qiang Lo
Copyright Year	2015
Description	Author affiliation: Inst. of Microelectron., Agency for Sci., Technol. & Res., Singapore, Singapore (Shiyang Zhu; Guo-Qiang Lo)
Abstract	Free-space beam steering plays an important role in ultrafast switching and scanning applications. This paper proposes an alternative method to realize two-dimensional large-angle beam steering for single wavelength light on silicon photonics platform. The steerer consists of an electrically controlled I×N cascaded add-drop ring resonator and N off-chip coupler arrays. Each output of the resonator connects with one off-chip coupler array to emit light to free space at a certain direction. Single wavelength light coupled in the input bus waveguide of the cascaded ring resonator can be switched among these N outputs by means of tuning the refractive index of the cascaded rings electrically and then be emitted to different directions in far field, which behaves as beam steering apparently. The steering can be one- or two-dimension, depending on the arrangement of these TV off-chip coupler arrays on the chip. Moreover, the proposed steerer can be combined with the conventional optical phased array for more precisely beam steering.
Starting Page	33
Ending Page	36
File Size	858759
Page Count	4
File Format	PDF
ISBN	9781479983629
e-ISBN	9781479983643
DOI	10.1109/EDSSC.2015.7285042
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-01
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conferences Electron devices Solid state circuits silicon photonics platform optical beam steering optical ring resonators phase modulation optical phased array
Content Type	Text
Resource Type	Article

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