Photonics Research, Volume. 12, Issue 12, 2972(2024)
Magnetically tunable bound states in the continuum with arbitrary polarization and intrinsic chirality
Fig. 1. MO PhC slab supporting magnetically tunable symmetry-protected BICs at the
Fig. 2. Stability of the band structures and
Fig. 3. Magnetically tunable BICs with arbitrary polarization in the MO PhC slab. (a)–(d) Evolution of far-field polarization of the MO PhC slab and (e)–(h) their corresponding ellipticity with increasing external magnetic fields
Fig. 4. Off-Γ chiral emission of the MO PhC slab over a broad frequency range and multiple incident angles. (a) Far-field polarization around the symmetry-protected BICs at the
Fig. 5. At-
Fig. 6. At-
Fig. 7. Component diagram of the EQ moment along a straight path (
Fig. 8. Evolution of far-field polarization and ellipticity under tunable external magnetic fields along the negative
Fig. 9. Evolution of far-field polarization and ellipticity with an increasing
Fig. 10. Magnetically tunable BICs with arbitrary polarization in a hexagonal MO PhC slab.
Fig. 13. Transmittance and circular dichroism spectra of the square MO PhC slab.
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Qing-An Tu, Hongxin Zhou, Dong Zhao, Yan Meng, Maohua Gong, Zhen Gao, "Magnetically tunable bound states in the continuum with arbitrary polarization and intrinsic chirality," Photonics Res. 12, 2972 (2024)
Category: Nanophotonics and Photonic Crystals
Received: Aug. 20, 2024
Accepted: Oct. 8, 2024
Published Online: Dec. 2, 2024
The Author Email: Yan Meng (mengyan@dgut.edu.cn), Maohua Gong (gongmh@sustech.edu.cn), Zhen Gao (gaoz@sustech.edu.cn)
CSTR:32188.14.PRJ.539830