Huaming Wu, Yongsheng Xiao, Lizhen Huang, Wenbo Xiao, Junhong Duan, Huanhuan Xu, Linfei Ma, Xianshuang Liu. Study on Polarization Independent Broadband Reflector Based on Multi-Subpart Profile Resonant Grating[J]. Acta Optica Sinica, 2017, 37(9): 0913001
- Acta Optica Sinica
- Vol. 37, Issue 9, 0913001 (2017)
Fig. 1. Schematic of a multilayered polarization independent grating reflector under normal incidence with TE and TM polarization light
Fig. 2. SEM image of the reflector
Fig. 3. (a) Reflectance and (b) transmittance spectra of the reflector normally illuminated by both TE and TM polarized light
Fig. 4. Reflectance spectra of the reflector with and without middle layer for (a) TE and (b) TM polarization light incidence
Fig. 5. Angular response spectra of the reflector for (a) TE and (b) TM polarization light at the wavelength of 1.68 μm
Fig. 6. Insertion loss and polarization dependent loss curves of the reflector
Fig. 7. Theoretical, experimental and SEM observed reflectivity curves for (a) TE and (b) TM polarization light
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