Photo-reconfigurable and electrically switchable spatial terahertz wave modulator [Invited]

Hongguan Yu; Huacai Wang; Zhixiong Shen; Shina Tao; Shijun Ge; Wei Hu

doi:10.3788/COL202321.010002

[1] A. Gong, Y. Qiu, X. Chen, Z. Zhao, L. Xia, Y. Shao. Biomedical applications of terahertz technology. Appl. Spectrosc. Rev., 55, 418(2019).

[2] K. B. Cooper, R. J. Dengler, N. Llombart, B. Thomas, G. Chattopadhyay, P. H. Siegel. THz imaging radar for standoff personnel screening. IEEE Trans. Terahertz Sci. Technol., 1, 169(2011).

[3] R. I. Stantchev, B. Q. Sun, S. M. Hornett, P. A. Hobson, G. M. Gibson, M. J. Padgett, E. Hendry. Noninvasive, near-field terahertz imaging of hidden objects using a single-pixel detector. Sci. Adv., 2, e1600190(2016).

[4] T. Nagatsuma, G. Ducournau, C. C. Renaud. Advances in terahertz communications accelerated by photonics. Nat. Photonics, 10, 371(2016).

[5] N. K. Grady, J. E. Heyes, D. R. Chowdhury, Y. Zeng, M. T. Reiten, A. K. Azad, A. J. Taylor, D. A. R. Dalvit, H. Chen. Terahertz metamaterials for linear polarization conversion and anomalous refraction. Science, 340, 1304(2013).

[6] G. Isić, B. Vasić, D. C. Zografopoulos, R. Beccherelli, R. Gajić. Electrically tunable critically coupled terahertz metamaterial absorber based on nematic liquid crystals. Phys. Rev. Appl., 3, 064007(2015).

[7] X. Zang, W. Xu, M. Gu, B. Yao, L. Chen, Y. Peng, J. Xie, A. V. Balakin, A. P. Shkurinov, Y. Zhu, S. Zhuang. Polarization-insensitive metalens with extended focal depth and longitudinal high-tolerance imaging. Adv. Opt. Mater., 8, 1901342(2019).

[8] Q. Cheng, M. Ma, D. Yu, Z. Shen, J. Xie, J. Wang, N. Xu, H. Guo, W. Hu, S. Wang, T. Li, S. Zhuang. Broadband achromatic metalens in terahertz regime. Sci. Bull., 64, 1525(2019).

[9] S. Zhou, K. Xi, S. Zhuang, Q. Cheng. Spherical aberration-corrected metalens for polarization multiplexed imaging. Nanomaterials, 11, 2774(2021).

[10] X. Chen, Z. Tian, Y. Lu, Y. Xu, X. Zhang, C. Ouyang, J. Gu, J. Han, W. Zhang. Electrically tunable perfect terahertz absorber based on a graphene salisbury screen hybrid metasurface. Adv. Opt. Mater., 8, 1900660(2019).

[11] J. Shabanpour, S. Beyraghi, A. Cheldavi. Ultrafast reprogrammable multifunctional vanadium-dioxide-assisted metasurface for dynamic THz wavefront engineering. Sci. Rep., 10, 8950(2020).

[12] Q. Ma, G. Bai, H. Jing, C. Yang, L. Li, T. J. Cui. Smart metasurface with self-adaptively reprogrammable functions. Light Sci. Appl., 8, 98(2019).

[13] Z. Shen, S. Zhou, X. Li, S. Ge, P. Chen, W. Hu, Y. Lu. “Liquid crystal integrated metalens with tunable chromatic aberration. Adv. Photonics., 2, 036002(2020).

[14] W. Chan, H. Chen, A. Taylor, I. Brener, M. J. Cich, D. M. Mittleman. A spatial light modulator for terahertz beams. Appl. Phys. Lett., 94, 213511(2009).

[15] C. Liu, F. Yang, X. Fu, J. Wu, L. Zhang, J. Yang, T. Cui. Programmable manipulations of terahertz beams by transmissive digital coding metasurfaces based on liquid crystals. Adv. Opt. Mater., 9, 2100932(2021).

[16] X. Bai, F. Kong, Y. Sun, G. Wang, J. Qian, X. Li, A. Cao, C. He, X. Liang, R. Jin, W. Zhu. High-efficiency transmissive programmable metasurface for multimode OAM generation. Adv. Opt. Mater., 8, 2000570(2020).

[17] D. Shrekenhamer, C. M. Watts, W. J. Padilla. Terahertz single pixel imaging with an optically controlled dynamic spatial light modulator. Opt. Express., 21, 12507(2013).

[18] Q. Wen, W. Tian, Q. Mao, Z. Chen, W. Liu, Q. Yang, M. Sanderson, H. Zhang. Graphene based all-optical spatial terahertz modulator. Sci. Rep., 4, 7409(2014).

[19] S. M. Hornett, R. I. Stantchev, M. Z. Vardaki, C. Beckerleg, E. Hendry. Subwavelength terahertz imaging of graphene photoconductivity. Nano Lett., 16, 7019(2016).

[20] Z. Xie, X. Wang, J. Ye, S. Feng, W. Sun, T. Akalin, Y. Zhang. Spatial terahertz modulator. Sci. Rep., 3, 3347(2013).

[21] J. Guo, T. Wang, H. Zhao, X. Wang, S. Feng, P. Han, W. Sun, J. Ye, G. Situ, H. T. Chen, Y. Zhang. Reconfigurable terahertz metasurface pure phase holograms. Adv. Opt. Mater., 7, 1801696(2019).

[22] J. Wu, Z. Shen, S. Ge, B. Chen, Z. Shen, T. Wang, C. Zhang, W. Hu, K. Fan, W. Padilla, Y. Lu, B. Jin, J. Chen, P. Wu. Liquid crystal programmable metasurface for terahertz beam steering. Appl. Phys. Lett., 116, 131104(2020).

[23] W. Li, X. Hu, J. Wu, K. Fan, B. Chen, C. Zhang, W. Hu, X. Cao, B. Jin, Y. Lu, J. Chen, P. Wu. Dual-color terahertz spatial light modulator for single-pixel imaging. Light Sci. Appl., 11, 191(2022).

[24] X. Fu, F. Yang, C. Liu, X. Wu, T. Cui. Terahertz beam steering technologies: from phased arrays to field-programmable metasurfaces. Adv. Opt. Mater., 8, 1900628(2019).

[25] B. Chen, J. Wu, W. Li, C. Zhang, K. Fan, Q. Xue, Y. Chi, Q. Wen, B. Jin, J. Chen, P. Wu. Programmable terahertz metamaterials with non-volatile memory. Laser Photonics Rev., 16, 2100472(2022).

[26] N. Liu, T. Weiss, M. Mesch, L. Langguth, U. Eigenthaler, M. Hirscher, C. Sönnichsen, H. Giessen. Planar metamaterial analogue of electromagnetically induced transparency for plasmonic sensing. Nano Lett., 10, 1103(2009).

[27] J. Sun, A. K. Srivastava, L. Wang, V. G. Chigrinov, H. S. Kwok. Optically tunable and rewritable diffraction grating with photoaligned liquid crystals. Opt. Lett., 38, 2342(2013).

[28] L. Wang, X. Lin, X. Liang, J. Wu, W. Hu, Z. Zheng, B. Jin, Y. Qin, Y. Lu. Large birefringence liquid crystal material in terahertz range. Opt. Mater. Express., 2, 1314(2012).

[29] H. Wu, W. Hu, H. Hu, X. Lin, G. Zhu, J. W. Choi, V. Chigrinov, Y. Q. Lu. Arbitrary photo-patterning in liquid crystal alignments using DMD based lithography system. Opt. Express, 20, 16684(2012).

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