Non-trivial optical force predictions for coupled waveguides depend on choice of stress tensor

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作者
Fernandes, Thales [1 ,2 ]
de Assis, Pierre-Louis [3 ]
机构
[1] Univ Fed Minas Gerais, Phys Dept, Belo Horizonte, MG, Brazil
[2] Ctr Desenvolvimento Tecnol Nucl CDTN CNEN, Belo Horizonte, MG, Brazil
[3] Univ Estadual Campinas, Gleb Wataghin Inst Phys, UNICAMP, Dept Appl Phys, Campinas, SP, Brazil
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Many stress tensors have been proposed to calculate optical forces in dielectrics. We show analytically and verify numerically that loss of translation symmetry means they must disagree on predictions of non-trivial forces in coupled waveguides. (C) 2020 The Author(s)
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