A topological route to engineering robust and bright supersymmetric laser arrays
Abstract In recent years, several proposals that leverage principles from condensed matter and high-energy physics for engineering laser arrays have been put forward. The most important among these concepts are topology, which enables the construction of robust zero-mode laser devices, and supersymm...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2024-12-01
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| Series: | Communications Physics |
| Online Access: | https://doi.org/10.1038/s42005-024-01905-1 |
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| author | Soujanya Datta Mohammadmahdi Alizadeh Ramy El-Ganainy Krishanu Roychowdhury |
| author_facet | Soujanya Datta Mohammadmahdi Alizadeh Ramy El-Ganainy Krishanu Roychowdhury |
| author_sort | Soujanya Datta |
| collection | DOAJ |
| description | Abstract In recent years, several proposals that leverage principles from condensed matter and high-energy physics for engineering laser arrays have been put forward. The most important among these concepts are topology, which enables the construction of robust zero-mode laser devices, and supersymmetry (SUSY), which holds the potential for achieving phase locking in laser arrays. In this work, we show that the relation between supersymmetric coupled bosonic and fermionic oscillators on one side, and bipartite networks (and hence chiral symmetry) on another side can be exploited together with non-Hermitian engineering for building one- and two-dimensional laser arrays with in-phase synchronization. To demonstrate our strategy, we present a concrete design starting from the celebrated Su-Schrieffer-Heeger (SSH) model to arrive at a SUSY laser structure that enjoys two key advantages over those reported in previous works. Firstly, the design presented here features a near-uniform geometry for both the laser array and supersymmetric reservoir (i.e., the widths and distances between the cavity arrays are almost the same). Secondly, the uniform field distribution in the presented structure leads to a far-field intensity that scales as N 2 where N is the number of lasing elements. Taken together, these two features can enable the implementation of higher-power laser arrays that are easy to fabricate, and hence provide a roadmap for pushing the frontier of SUSY laser arrays beyond the proof-of-concept phase. |
| format | Article |
| id | doaj-art-6b055e3b653f4b70b7fab240a110d638 |
| institution | Kabale University |
| issn | 2399-3650 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Communications Physics |
| spelling | doaj-art-6b055e3b653f4b70b7fab240a110d6382024-12-22T12:30:21ZengNature PortfolioCommunications Physics2399-36502024-12-01711910.1038/s42005-024-01905-1A topological route to engineering robust and bright supersymmetric laser arraysSoujanya Datta0Mohammadmahdi Alizadeh1Ramy El-Ganainy2Krishanu Roychowdhury3Theory Division, Saha Institute of Nuclear PhysicsDepartment of Physics, Michigan Technological UniversityDepartment of Physics, Michigan Technological UniversityTheory Division, Saha Institute of Nuclear PhysicsAbstract In recent years, several proposals that leverage principles from condensed matter and high-energy physics for engineering laser arrays have been put forward. The most important among these concepts are topology, which enables the construction of robust zero-mode laser devices, and supersymmetry (SUSY), which holds the potential for achieving phase locking in laser arrays. In this work, we show that the relation between supersymmetric coupled bosonic and fermionic oscillators on one side, and bipartite networks (and hence chiral symmetry) on another side can be exploited together with non-Hermitian engineering for building one- and two-dimensional laser arrays with in-phase synchronization. To demonstrate our strategy, we present a concrete design starting from the celebrated Su-Schrieffer-Heeger (SSH) model to arrive at a SUSY laser structure that enjoys two key advantages over those reported in previous works. Firstly, the design presented here features a near-uniform geometry for both the laser array and supersymmetric reservoir (i.e., the widths and distances between the cavity arrays are almost the same). Secondly, the uniform field distribution in the presented structure leads to a far-field intensity that scales as N 2 where N is the number of lasing elements. Taken together, these two features can enable the implementation of higher-power laser arrays that are easy to fabricate, and hence provide a roadmap for pushing the frontier of SUSY laser arrays beyond the proof-of-concept phase.https://doi.org/10.1038/s42005-024-01905-1 |
| spellingShingle | Soujanya Datta Mohammadmahdi Alizadeh Ramy El-Ganainy Krishanu Roychowdhury A topological route to engineering robust and bright supersymmetric laser arrays Communications Physics |
| title | A topological route to engineering robust and bright supersymmetric laser arrays |
| title_full | A topological route to engineering robust and bright supersymmetric laser arrays |
| title_fullStr | A topological route to engineering robust and bright supersymmetric laser arrays |
| title_full_unstemmed | A topological route to engineering robust and bright supersymmetric laser arrays |
| title_short | A topological route to engineering robust and bright supersymmetric laser arrays |
| title_sort | topological route to engineering robust and bright supersymmetric laser arrays |
| url | https://doi.org/10.1038/s42005-024-01905-1 |
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