Researching | Reconfigurable terahertz beam splitters enabled by inverse-designed meta-devices

Photonics Research, Volume. 13, Issue 8, 2328(2025)

Reconfigurable terahertz beam splitters enabled by inverse-designed meta-devices

Ming-Zhe Chong^1、†, Shao-Xin Huang^2、†, Zong-Kun Zhang¹, Peijie Feng¹, Ka Fai Chan², Chi Hou Chan^2,3、*, and Ming-Yao Xia^1,4、*

Author Affiliations

¹State Key Laboratory of Photonics and Communications, School of Electronics, Peking University, Beijing 100871, China

²State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong SAR, China

³e-mail: eechic@cityu.edu.hk

⁴e-mail: myxia@pku.edu.cn

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[1] C. Zhou, L. Liu. Numerical study of Dammann array illuminators. Appl. Opt., 34, 5961-5969(1995).

[2] T. Tian, Y. Liao, X. Feng. Metasurface-based free-space multi-port beam splitter with arbitrary power ratio. Adv. Opt. Mater., 11, 2300664(2023).

[3] S. Yokozeki, T. Suzuki. Shearing interferometer using the grating as the beam splitter. Appl. Opt., 10, 1575-1580(1971).

[4] R. A. Campos, B. E. A. Saleh, M. C. Teich. Quantum-mechanical lossless beam splitter: SU(2) symmetry and photon statistics. Phys. Rev. A, 40, 1371-1384(1989).

[5] P. Kiefer, V. Hahn, S. Kalt. A multi-photon (7 × 7)-focus 3D laser printer based on a 3D-printed diffractive optical element and a 3D-printed multi-lens array. Light: Adv. Manuf., 4, 28-41(2024).

[6] Q. Ling, P. Dong, Y. Chu. On-chip optical matrix-vector multiplier based on mode division multiplexing. Chip, 2, 100061(2023).

[7] Y. Wu, J. Chen, Y. Wang. Tbps wide-field parallel optical wireless communications based on a metasurface beam splitter. Nat. Commun., 15, 7744(2024).

[8] H. J. Song, N. Lee. Terahertz communications: challenges in the next decade. IEEE Trans. Terahertz Sci. Technol., 12, 105-117(2022).

[9] N. Yu, P. Genevet, M. A. Kats. Light propagation with phase discontinuities: generalized laws of reflection and refraction. Science, 334, 333-337(2011).

[10] B. Leng, Y. Zhang, D. P. Tsai. Meta-device: advanced manufacturing. Light: Adv. Manuf., 5, 117-132(2024).

[11] H. Hu, X. Ma, X. Hu. Plug-and-play terahertz multifunctional metadevices based on metal waveguide arrays and 3D printed structures. Virtual Phys. Prototyping, 19, e2430335(2024).

[12] H. Guerboukha, B. Zhao, Z. Fang. Curving THz wireless data links around obstacles. Commun. Eng., 3, 58(2024).

[13] H. Ren, J. Jang, C. Li. An achromatic metafiber for focusing and imaging across the entire telecommunication range. Nat. Commun., 13, 4183(2022).

[14] X. Fang, H. Ren, M. Gu. Orbital angular momentum holography for high-security encryption. Nat. Photonics, 14, 102-108(2020).

[15] D. Liao, K. F. Chan, C. H. Chan. All-optical diffractive neural networked terahertz hologram. Opt. Lett., 45, 2906-2909(2020).

[16] G. Kim, Y. Kim, J. Yun. Metasurface-driven full-space structured light for three-dimensional imaging. Nat. Commun., 13, 5920(2022).

[17] M.-Z. Chong, Y. Zhou, Z.-K. Zhang. Generation of polarization-multiplexed terahertz orbital angular momentum combs via all-silicon metasurfaces. Light: Adv. Manuf., 5, 400-409(2024).

[18] Z. Ren, Y. Hu, W. He. Overcoming high-quality limitations in plasmonic metasurfaces for ultrasensitive terahertz applications. ACS Nano, 18, 21211-21220(2024).

[19] L. Ke, Y. Yang, M. Zhu. Tight focusing of fractional-order topological charge vector beams by cascading metamaterials and metalens. Microsyst. Nanoeng., 10, 146(2024).

[20] M.-Z. Chong, Y. He, J. Zhao. Spin-decoupled excitation and wavefront shaping of structured surface waves via on-chip terahertz metasurfaces. Nanoscale, 15, 4515-4522(2023).

[21] X. Jiang, W. Liu, Q. Xu. On-chip terahertz orbital angular momentum demultiplexer. Photonics Res., 12, 1044-1054(2024).

[22] M. Wu, X. He, G. Lu. Multi-mode non-diffraction vortex beams enabled by polarization-frequency multiplexing transmissive terahertz metasurfaces. J. Appl. Phys., 136, 103102(2024).

[23] X. Zhang, X. He, Y. Zhang. Mirror-symmetric multi-OAM vortex beam generation with 1-bit interleaved terahertz metasurfaces. Opt. Laser Technol., 186, 112606(2025).

[24] W. Li, B. Chen, X. Hu. Modulo-addition operation enables terahertz programmable metasurface for high-resolution two-dimensional beam steering. Sci. Adv., 9, eadi7565(2023).

[25] Q.-W. Lin, H. Wong, L. Huitema. Coding metasurfaces with reconfiguration capabilities based on optical activation of phase-change materials for terahertz beam manipulations. Adv. Opt. Mater., 10, 2101699(2022).

[26] H. Park, S. Jeong, C. Seo. Electrically tunable THz graphene metasurface wave retarders. Nanophotonics, 12, 2553-2562(2023).

[27] P. Pitchappa, A. Kumar, R. Singh. Terahertz MEMS metadevices. J. Micromech. Microeng., 31, 113001(2021).

[28] S. Venkatesh, X. Lu, H. Saeidi. A high-speed programmable and scalable terahertz holographic metasurface based on tiled CMOS chips. Nat. Electron., 3, 785-793(2020).

[29] S. Colburn, A. Zhan, A. Majumdar. Varifocal zoom imaging with large area focal length adjustable metalenses. Optica, 5, 825-831(2018).

[30] L. Zhang, L. Zhang, R. Xie. Highly tunable cascaded metasurfaces for continuous two-dimensional beam steering. Adv. Sci., 10, 2300542(2023).

[31] J. C. Zhang, G.-B. Wu, M. K. Chen. A 6G meta-device for 3D varifocal. Sci. Adv., 9, eadf8478(2023).

[32] G. Wang, T. Zhou, J. Huang. Moiré meta-device for flexibly controlled Bessel beam generation. Photonics Res., 11, 100-108(2023).

[33] W. Deng, S. Jiang, Y. Shi. Mid-infrared dynamic wavefront transformer based on a two-degrees-of-freedom control system. Laser Photonics Rev., 16, 2200152(2022).

[34] S. So, J. Kim, T. Badloe. Multicolor and 3D holography generated by inverse-designed single-cell metasurfaces. Adv. Mater., 35, 2208520(2023).

[35] L. Gao, X. Li, D. Liu. A bidirectional deep neural network for accurate silicon color design. Adv. Mater., 31, 1905467(2019).

[36] X. Lin, Y. Rivenson, N. T. Yardimci. All-optical machine learning using diffractive deep neural networks. Science, 361, 1004-1008(2018).

[37] Z. Zhao, Y. Wang, C. Guan. Deep learning-enabled compact optical trigonometric operator with metasurface. PhotoniX, 3, 15(2022).

[38] C. He, D. Zhao, F. Fan. Pluggable multitask diffractive neural networks based on cascaded metasurfaces. Opto-Electronic Adv., 7, 230005(2024).

[39] P. Feng, Y. Tan, M. Chong. All-optical autoencoder machine learning framework using diffractive processors. arXiv(2024).

[40] P. Georgi, Q. Wei, B. Sain. Optical secret sharing with cascaded metasurface holography. Sci. Adv., 7, eabf9718(2021).

[41] X. Zhang, T. Li, H. Zhou. Switchable diffraction pattern based on cascaded metasurfaces. Laser Photonics Rev., 18, 2300887(2024).

[42] H. Ren, X. Fang, J. Jang. Complex-amplitude metasurface-based orbital angular momentum holography in momentum space. Nat. Nanotechnol., 15, 948-955(2020).

[43] J. Guo, T. Wang, H. Zhao. Reconfigurable terahertz metasurface pure phase holograms. Adv. Opt. Mater., 7, 1801696(2019).

[44] S. Zhang, X. Chen, K. Liu. Nonvolatile reconfigurable dynamic Janus metasurfaces in the terahertz regime. Photonics Res., 10, 1731-1743(2022).

[45] F. Yang, T. C. Tan, S. Prakash. Reconfigurable wide-angle beam-steering terahertz metasurfaces based on vanadium dioxide. Adv. Opt. Mater., 12, 2302047(2024).

[46] Z. Huang, B. Hu, W. Liu. Dynamical tuning of terahertz meta-lens assisted by graphene. J. Opt. Soc. Am. B, 34, 1848-1854(2017).

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Ming-Zhe Chong, Shao-Xin Huang, Zong-Kun Zhang, Peijie Feng, Ka Fai Chan, Chi Hou Chan, Ming-Yao Xia, "Reconfigurable terahertz beam splitters enabled by inverse-designed meta-devices," Photonics Res. 13, 2328 (2025)

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Paper Information

Category: Optical Devices

Received: Jan. 20, 2025

Accepted: May. 20, 2025

Published Online: Jul. 31, 2025

The Author Email: Chi Hou Chan (eechic@cityu.edu.hk), Ming-Yao Xia (myxia@pku.edu.cn)

DOI:10.1364/PRJ.557303

CSTR:32188.14.PRJ.557303

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology