Journal
OPTICS EXPRESS
Volume 30, Issue 21, Pages 37888-37898Publisher
Optica Publishing Group
DOI: 10.1364/OE.471602
Keywords
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Categories
Funding
- Key Project of DEGP
- National Natural Science Foundation of China
- [2022KTSCX166]
- [11674109]
- [61774062]
- [62175070]
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In this study, a one-dimensional two-material period ring optical waveguide network (TMPROWN) was designed and its optical properties were investigated. Key characteristics observed in the 1D TMPROWN include the generation of bound states in continuum (BICs) and their larger and continuous range compared to previous optical structures. The physical mechanisms of the generated BICs in the 1D TMPROWN were analyzed. The simplicity of its structure, flexibility in adjusting frequency band of BICs, and ease of measuring electromagnetic wave properties make the 1D TMPROWN promising for various optical applications.
In this study, a one-dimensional (1D) two-material period ring optical waveguide network (TMPROWN) was designed, and its optical properties were investigated. The key characteristics observed in the 1D TMPROWN include the following: (1) Bound states in continuum (BICs) can be generated in the optical waveguide network. (2) In contrast to the BICs previously reported in optical structures, the range of the BICs generated by the 1D TMPROWN is not only larger, but also continuous. This feature makes it possible for us to further study the electromagnetic wave characteristics in the range of the BICs. In addition, we analyzed the physical mechanisms of the BICs generated in the 1D TMPROWN. The 1D TMPROWN is simple in structure, demonstrates flexibility with respect to adjusting the frequency band of the BICs, and offers easy measurement of the amplitude and phase of electromagnetic waves. Hence, further research on high-power super luminescent diodes, optical switches, efficient photonic energy storage, and other optical devices based on the 1D TMPROWN designed in this study is likely to have implications in a broad range of applications.
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