Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography
Orbital angular momentum (OAM) of optical vortex beams has been regarded as an independent physical dimension of light with predominant information-carrying potential. However, the presence of scattering environment and turbulent atmosphere scrambles the helical wavefront and destroys the orthogonal...
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MDPI AG
2021-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/11/24/12167 |
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| author | Yanyan Huang Vinu R.V. Ziyang Chen Tushar Sarkar Rakesh Kumar Singh Jixiong Pu |
| author_facet | Yanyan Huang Vinu R.V. Ziyang Chen Tushar Sarkar Rakesh Kumar Singh Jixiong Pu |
| author_sort | Yanyan Huang |
| collection | DOAJ |
| description | Orbital angular momentum (OAM) of optical vortex beams has been regarded as an independent physical dimension of light with predominant information-carrying potential. However, the presence of scattering environment and turbulent atmosphere scrambles the helical wavefront and destroys the orthogonality of modes in vortex beam propagation. Here, we propose and experimentally demonstrate a new basis for the recovery of the OAM mode using a holographic ghost diffraction scheme. The technique utilizes the speckle field generated from a rotating diffuser for optical vortex mode encoding, and the fourth-order correlation of the speckle field for the efficient recovery of the associated modes. Furthermore, we successfully demonstrate the complex-field recovery of OAM modes by the adoption of a holography scheme in combination with the ghost diffraction system. We evaluate the feasibility of the approach by simulation and followed by experimental demonstration for the recovery of various sequentially encoded OAM modes. Finally, the efficacy of the recovered modes was quantitatively analyzed by an OAM mode analysis utilizing orthogonal projection scheme. |
| first_indexed | 2024-03-10T04:36:36Z |
| format | Article |
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| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T04:36:36Z |
| publishDate | 2021-12-01 |
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| spelling | doaj.art-616f8a5341c54b04ac1774bb9603e3f12023-11-23T03:44:13ZengMDPI AGApplied Sciences2076-34172021-12-0111241216710.3390/app112412167Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction HolographyYanyan Huang0Vinu R.V.1Ziyang Chen2Tushar Sarkar3Rakesh Kumar Singh4Jixiong Pu5College of Information Science and Engineering, Huaqiao University, Xiamen 361021, ChinaCollege of Information Science and Engineering, Huaqiao University, Xiamen 361021, ChinaCollege of Information Science and Engineering, Huaqiao University, Xiamen 361021, ChinaLaboratory of Information Photonics & Optical Metrology, Department of Physics, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, IndiaLaboratory of Information Photonics & Optical Metrology, Department of Physics, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, IndiaFujian Provincial Key Laboratory of Light Propagation and Transformation, Huaqiao University, Xiamen 361021, ChinaOrbital angular momentum (OAM) of optical vortex beams has been regarded as an independent physical dimension of light with predominant information-carrying potential. However, the presence of scattering environment and turbulent atmosphere scrambles the helical wavefront and destroys the orthogonality of modes in vortex beam propagation. Here, we propose and experimentally demonstrate a new basis for the recovery of the OAM mode using a holographic ghost diffraction scheme. The technique utilizes the speckle field generated from a rotating diffuser for optical vortex mode encoding, and the fourth-order correlation of the speckle field for the efficient recovery of the associated modes. Furthermore, we successfully demonstrate the complex-field recovery of OAM modes by the adoption of a holography scheme in combination with the ghost diffraction system. We evaluate the feasibility of the approach by simulation and followed by experimental demonstration for the recovery of various sequentially encoded OAM modes. Finally, the efficacy of the recovered modes was quantitatively analyzed by an OAM mode analysis utilizing orthogonal projection scheme.https://www.mdpi.com/2076-3417/11/24/12167holographyghost diffractionorbital angular momentumspeckles |
| spellingShingle | Yanyan Huang Vinu R.V. Ziyang Chen Tushar Sarkar Rakesh Kumar Singh Jixiong Pu Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography Applied Sciences holography ghost diffraction orbital angular momentum speckles |
| title | Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography |
| title_full | Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography |
| title_fullStr | Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography |
| title_full_unstemmed | Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography |
| title_short | Recovery and Characterization of Orbital Angular Momentum Modes with Ghost Diffraction Holography |
| title_sort | recovery and characterization of orbital angular momentum modes with ghost diffraction holography |
| topic | holography ghost diffraction orbital angular momentum speckles |
| url | https://www.mdpi.com/2076-3417/11/24/12167 |
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