Details

Autor(en) / Beteiligte

• Guo, Qing-Hua
• Yang, Mu
• Li, Teng-Fei
• Guo, Tian-Jing
• Cui, Hai-Xu
• Kang, Ming
• Chen, Jing

Titel

Circular polarizer via selective excitation of photonic angular momentum states in metamaterials

Ist Teil von

• Applied physics letters, 2013-05, Vol.102 (21)

Erscheinungsjahr

2013

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We propose a scheme in realizing a compact circular polarizer by using a metamaterial with a properly designed input meta-surface. This scheme is based on the selective excitation of photonic angular momentum states in a coaxial element array by the symmetry-broken input meta-surface. The topological charge m of the excited photonic angular momentum state in the coaxial element determines the handedness of the transmitted light via the orbit-spin conversion of the angular momentum of light. A net circular-polarization generation efficiency of 64.5% for a linearly polarized incidence is demonstrated.