[1] Saleh B E A, Teich M C. Fundamentals of photonics[M]. 2nd ed. Hoboken, New Jersey: John Wiley & Sons, Inc.(2007).

[2] Rutz F, Hasek T, Koch M et al. Terahertz birefringence of liquid crystal polymers[J]. Applied Physics Letters, 89, 221911(2006). http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4823476

[3] Chen S Q, Liu W W, Li Z C et al. Polarization state manipulation of electromagnetic waves with metamaterials and its applications in nanophotonics[J]. Metamaterials: Devices and Applications, 217(2017).

[4] Grady N K, Heyes J E, Chowdhury D R et al. Terahertz metamaterials for linear polarization conversion and anomalous refraction[J]. Science, 340, 1304-1307(2013). http://europepmc.org/abstract/MED/23686344

[5] Chiang Y J, Yen T J. A composite-metamaterial-based terahertz-wave polarization rotator with an ultrathin thickness, an excellent conversion ratio, and enhanced transmission[J]. Applied Physics Letters, 102, 011129(2013). http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6409607

[6] Lévesque Q, Makhsiyan M, Bouchon P et al. Plasmonic planar antenna for wideband and efficient linear polarization conversion[J]. Applied Physics Letters, 104, 111105(2014). http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6775229

[7] Cong L Q, Cao W, Tian Z et al. Manipulating polarization states of terahertz radiation using metamaterials[J]. New Journal of Physics, 14, 115013(2012). http://www.ingentaconnect.com/content/iop/njp/2012/00000014/00000011/art115013

[8] Cong L Q, Xu N N, Gu J Q et al. Highly flexible broadband terahertz metamaterial quarter-wave plate[J]. Laser & Photonics Reviews, 8, 626-632(2014). http://onlinelibrary.wiley.com/doi/10.1002/lpor.201300205/pdf

[9] Cong L Q, Xu N N, Han J G et al. A tunable dispersion-free terahertz metadevice with pancharatnam-berry-phase-enabled modulation and polarization control[J]. Advanced Materials, 27, 6630-6636(2015). http://onlinelibrary.wiley.com/doi/10.1002/adma.201502716/pdf

[10] Zhou L, Zhao G Z, Li Y H. Broadband terahertz polarization converter based on L-shaped metamaterial[J]. Laser & Optoelectronics Progress, 55, 041602(2018).

[11] Li Y H, Zhou L, Zhao G Z. Terahertz broadband polarization converter based on anisotropic metasurface[J]. Chinese Journal of Lasers, 45, 0314001(2018).

[12] Khatua S, Chang W S, Swanglap P et al. Active modulation of nanorod plasmons[J]. Nano Letters, 11, 3797-3802(2011). http://pubs.acs.org/doi/pdf/10.1021/nl201876r

[13] Shen N H, Massaouti M, Gokkavas M et al. Optically implemented broadband blueshift switch in the terahertz regime[J]. Physical Review Letters, 106, 037403(2011). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT01000023000018000054000001&idtype=cvips&gifs=Yes

[14] Zheludev N I, Plum E. Reconfigurable nanomechanical photonic metamaterials[J]. Nature Nanotechnology, 11, 16-22(2016).

[15] Novoselov K S, Geim A K, Morozov S V et al. Electric field effect in atomically thin carbon films[J]. Science, 306, 666-669(2004). http://europepmc.org/abstract/MED/15499015

[16] Emani N K, Chung T F, Ni X J et al. Electrically tunable damping of plasmonic resonances with graphene[J]. Nano Letters, 12, 5202-5206(2012). http://pubs.acs.org/doi/abs/10.1021/nl302322t

[17] Valmorra F, Scalari G, Maissen C et al. Low-bias active control of terahertz waves by coupling large-area CVD graphene to a terahertz metamaterial[J]. Nano Letters, 13, 3193-3198(2013). http://www.ncbi.nlm.nih.gov/pubmed/23802181

[18] Cheng H, Chen S Q, Yu P et al. Dynamically tunable broadband mid-infrared cross polarization converter based on graphene metamaterial[J]. Applied Physics Letters, 103, 223102(2013). http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6709428

[19] Cheng H, Chen S Q, Yu P et al. Mid-infrared tunable optical polarization converter composed of asymmetric graphene nanocrosses[J]. Optics Letters, 38, 1567-1569(2013). http://www.ncbi.nlm.nih.gov/pubmed/23632554/

[20] Li Y Z, Zhao J M, Lin H et al. Tunable circular polarization selective surfaces for low-THz applications using patterned graphene[J]. Optics Express, 23, 7227-7236(2015). http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-23-6-7227

[21] Yang C, Luo Y, Guo J X et al. Wideband tunable mid-infrared cross polarization converter using rectangle-shape perforated graphene[J]. Optics Express, 24, 16913-16922(2016). http://www.ncbi.nlm.nih.gov/pubmed/27464143

[22] Ding J, Arigong B, Ren H et al. Mid-infrared tunable dual-frequency cross polarization converters using graphene-based L-shaped nanoslot array[J]. Plasmonics, 10, 351-356(2015). http://link.springer.com/article/10.1007/s11468-014-9816-y

[23] Guo T J, Argyropoulos C. Broadband polarizers based on graphene metasurfaces[J]. Optics Letters, 41, 5592-5595(2016). http://www.ncbi.nlm.nih.gov/pubmed/27906247

[24] Gao X, Yang W L, Cao W P et al. Bandwidth broadening of a graphene-based circular polarization converter by phase compensation[J]. Optics Express, 25, 23945-23954(2017). http://www.ncbi.nlm.nih.gov/pubmed/29041344

[25] Liu Z K, Zhou B, Zhang Y et al. Discovery of a three-dimensional topological Dirac semimetal, Na3Bi[J]. Science, 343, 864-867(2014). http://meetings.aps.org/link/baps.2014.mar.s43.3

[26] Liu Z K, Jiang J, Zhou B et al. A stable three-dimensional topological Dirac semimetal Cd3As2[J]. Nature Materials, 13, 677-681(2014). http://www.ncbi.nlm.nih.gov/pubmed/24859642

[27] Chen H, Zhang H Y, Liu M D et al. Realization of tunable plasmon-induced transparency by bright-bright mode coupling in Dirac semimetals[J]. Optical Materials Express, 7, 3397-3407(2017). http://www.opticsinfobase.org/ome/abstract.cfm?uri=ome-7-9-3397

[28] Chen H, Zhang H Y, Guo X H et al. Tunable plasmon-induced transparency in H-shaped Dirac semimetal metamaterial[J]. Applied Optics, 57, 752-756(2018).

[29] Dai L L, Zhang Y P, Guo X H et al. Dynamically tunable broadband linear-to-circular polarization converter based on Dirac semimetals[J]. Optical Materials Express, 8, 3238-3249(2018).

[30] Liu G D, Zhai X, Meng H Y. et al. Dirac semimetals based tunable narrowband absorber at terahertz frequencies[J]. Optics Express, 26, 11471-11480(2018). http://europepmc.org/abstract/MED/29716065

[31] Su Y, Lin Q, Zhai X. et al. Controlling terahertz surface plasmon polaritons in Dirac semimetal sheets[J]. Optical Materials Express, 8, 884-892(2018). http://adsabs.harvard.edu/abs/2018OMExp...8..884S

[32] Rodrigo S G. Terahertz gas sensor based on absorption-induced transparency[J]. EPJ Applied Metamaterials, 3, 11(2016).

[33] Hejase J A, Paladhi P R, Chahal P P. Terahertz characterization of dielectric substrates for component design and nondestructive evaluation of packages[J]. IEEE Transactions on Components, Packaging and Manufacturing Technology, 1, 1685-1694(2011). http://ieeexplore.ieee.org/document/6022759/