[1] Shen B, Wang P, Polson R et al. An integrated-nanophotonics polarization beamsplitter with 2.4 × 2.4 μm 2 footprint[J]. Nature Photonics, 9, 378-382(2015).

[2] Corrielli G, Crespi A, Geremia R et al. Rotated waveplates in integrated waveguide optics[J]. Nature Communications, 5, 4249(2014). http://pubmedcentralcanada.ca/pmcc/articles/PMC4083439/

[3] Dai D X. Silicon polarization beam splitter based on an asymmetrical evanescent coupling system with three optical waveguides[J]. Journal of Lightwave Technology, 30, 3281-3287(2012). http://www.opticsinfobase.org/abstract.cfm?URI=jlt-30-20-3281

[4] Chang K W, Huang C C. Ultrashort broadband polarization beam splitter based on a combined hybrid plasmonic waveguide[J]. Scientific Reports, 6, 19609(2016). http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4726338/

[5] Dai D X, Bowers J E. Novel concept for ultracompact polarization splitter-rotator based on silicon nanowires[J]. Optics Express, 19, 10940-10949(2011). http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-11-10940

[6] Liu L, Ding Y H, Yvind K et al. Efficient and compact TE-TM polarization converter built on silicon-on-insulator platform with a simple fabrication process[J]. Optics letters, 36, 1059-1061(2011). http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-7-1059

[7] Wong G, Pilkington R, Harvey A R. Achromatization of Wollaston polarizing beam splitters[J]. Optics Letters, 36, 1332-1334(2011). http://www.ncbi.nlm.nih.gov/pubmed/21499347

[8] Floess D, Chin J Y, Kawatani A et al. Tunable and switchable polarization rotation with non-reciprocal plasmonic thin films at designated wavelengths[J]. Light: Science & Applications, 4, e284(2015). http://www.nature.com/lsa/journal/v4/n5/full/lsa201557a.html?from_TRM_site=Terbium

[9] Guan C Y, Li S Q, Shen Y Z et al. Graphene-coated surface core fiber polarizer[J]. Journal of Lightwave Technology, 33, 349-353(2015). http://ieeexplore.ieee.org/document/7001545/

[10] Alonso-Ramos C, Halir R, Ortega-Moñux A et al. Highly tolerant tunable waveguide polarization rotator scheme[J]. Optics Letters, 37, 3534-3536(2012). http://europepmc.org/abstract/MED/22940940

[11] Jia L X, Liow T Y, Song J F et al. Compact optical polarization rotators based on an asymmetric silicon waveguide[J]. IEEE Photonics Technology Letters, 25, 2229-2232(2013). http://ieeexplore.ieee.org/document/6620979/

[12] Wang B, Zhou C H, Wang S Q et al. Polarizing beam splitter of a deep-etched fused-silica grating[J]. Optics Letters, 32, 1299-1301(2007). http://www.ncbi.nlm.nih.gov/pubmed/17440567

[13] Zhu Z H, Guo C C, Liu K et al. Electrically tunable polarizer based on anisotropic absorption of graphene ribbons[J]. Applied Physics A, 114, 1017-1021(2014). http://link.springer.com/article/10.1007/s00339-014-8269-7

[14] Peng H, Su Y, Li Y Q. Evolution of polarization properties in circular birefringent fiber Bragg gratings and application for magnetic field sensing[J]. Optical Fiber Technology, 18, 177-182(2012). http://www.sciencedirect.com/science/article/pii/S1068520012000156

[15] Sanchez L, Lechago S, Sanchis P. Ultra-compact TE and TM pass polarizers based on vanadium dioxide on silicon[J]. Optics Letters, 40, 1452-1455(2015). http://europepmc.org/abstract/MED/25831357

[16] Tang X G, Liao J K, Li H P et al. A novel scheme for 1×n optical power splitter[J]. Optics Express, 18, 21697-21704(2010). http://www.opticsinfobase.org/abstract.cfm?uri=oe-18-21-21697

[17] Tang X G, Liao J K, Li H P et al. Design for Y-branch waveguides with wide angle and low loss[J]. Optoelectronics Letters, 5, 401-404(2009). http://www.cqvip.com/Main/Detail.aspx?id=32368740

[18] Tang X G, Tong W, Liao J K et al. Design and simulation for tunable bifocal microlens[J]. Laser & Optoelectronics Progress, 49, 112302(2012).

[19] Kawano K. 20-[M]. Kitoh T. Introduction to optical waveguide analysis: Solving Maxwell's equations, the Schredinger equation. New York: Wiley, 23, 50-58(2001).

[20] Vanbrabant P J M, Beeckman J, Neyts K et al. . Finite element optical modeling of liquid crystal waveguides[J]. Optical Engineering, 50, 081204(2011). http://spie.org/Publications/Journal/10.1117/1.3564593