All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio
The development of optical systems is heading to multi-branch circuit design and miniaturization. A beam splitter is a common device for dividing an incident beam into two separate beams. Conventional beam splitters are constructed using coated prisms or glass plate. Their bulky size, right-angled o...
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| Format: | Članak |
| Jezik: | English |
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MDPI AG
2021-04-01
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| Serija: | Nanomaterials |
| Teme: | |
| Online pristup: | https://www.mdpi.com/2079-4991/11/5/1137 |
| _version_ | 1827693938125832192 |
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| author | Xueyu Chen Haijian Zou Mingyang Su Linwei Tang Chaofeng Wang Shuqing Chen Chenliang Su Ying Li |
| author_facet | Xueyu Chen Haijian Zou Mingyang Su Linwei Tang Chaofeng Wang Shuqing Chen Chenliang Su Ying Li |
| author_sort | Xueyu Chen |
| collection | DOAJ |
| description | The development of optical systems is heading to multi-branch circuit design and miniaturization. A beam splitter is a common device for dividing an incident beam into two separate beams. Conventional beam splitters are constructed using coated prisms or glass plate. Their bulky size, right-angled output direction, and fixed splitting ratio greatly limit the design of optical arrangement and also hinder the system integration. Here, an all-dielectric metasurface composed of symmetric nano-rings as a beam splitter are designed by Finite-Difference Time-Domain method. By changing the inner and outer radiuses of the nano-rings, the wavefront phase of the emergence beam can be adjusted to form a phase gradient, and the incident beam of arbitrary polarization is divided into two beams according to the designed transmittance and angle. The initial phase of the emergence beam can be changed by adjusting the refractive index of the substrate or adding the silicon film to the substrate, and the splitting ratio can be adjusted from 0.5:1 to 1:1. The simulation demonstrates that the metasurface-based beam splitter is independent of polarization and the power efficiency is over 92% with a compact area of 33.6 μm × 33.6 μm. This compact metasurface-based beam splitter has promising potential for enabling new types of compact optical systems and advancing metasurface-based functional integrated photonic applications. |
| first_indexed | 2024-03-10T11:54:20Z |
| format | Article |
| id | doaj.art-a0b34a3e7caa4c40b8049fad8ae848f2 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T11:54:20Z |
| publishDate | 2021-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-a0b34a3e7caa4c40b8049fad8ae848f22023-11-21T17:29:17ZengMDPI AGNanomaterials2079-49912021-04-01115113710.3390/nano11051137All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting RatioXueyu Chen0Haijian Zou1Mingyang Su2Linwei Tang3Chaofeng Wang4Shuqing Chen5Chenliang Su6Ying Li7International Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, ChinaThe development of optical systems is heading to multi-branch circuit design and miniaturization. A beam splitter is a common device for dividing an incident beam into two separate beams. Conventional beam splitters are constructed using coated prisms or glass plate. Their bulky size, right-angled output direction, and fixed splitting ratio greatly limit the design of optical arrangement and also hinder the system integration. Here, an all-dielectric metasurface composed of symmetric nano-rings as a beam splitter are designed by Finite-Difference Time-Domain method. By changing the inner and outer radiuses of the nano-rings, the wavefront phase of the emergence beam can be adjusted to form a phase gradient, and the incident beam of arbitrary polarization is divided into two beams according to the designed transmittance and angle. The initial phase of the emergence beam can be changed by adjusting the refractive index of the substrate or adding the silicon film to the substrate, and the splitting ratio can be adjusted from 0.5:1 to 1:1. The simulation demonstrates that the metasurface-based beam splitter is independent of polarization and the power efficiency is over 92% with a compact area of 33.6 μm × 33.6 μm. This compact metasurface-based beam splitter has promising potential for enabling new types of compact optical systems and advancing metasurface-based functional integrated photonic applications.https://www.mdpi.com/2079-4991/11/5/1137beam splittermetasurfacenano-ringintegrated optics |
| spellingShingle | Xueyu Chen Haijian Zou Mingyang Su Linwei Tang Chaofeng Wang Shuqing Chen Chenliang Su Ying Li All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio Nanomaterials beam splitter metasurface nano-ring integrated optics |
| title | All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio |
| title_full | All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio |
| title_fullStr | All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio |
| title_full_unstemmed | All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio |
| title_short | All-Dielectric Metasurface-Based Beam Splitter with Arbitrary Splitting Ratio |
| title_sort | all dielectric metasurface based beam splitter with arbitrary splitting ratio |
| topic | beam splitter metasurface nano-ring integrated optics |
| url | https://www.mdpi.com/2079-4991/11/5/1137 |
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