TY  - RPRT
TI  - Spectral phase singularity and topological behavior in perfect absorption
AU  - Liu, Mengqi
AU  - Chen, Weijin
AU  - Hu, Guangwei
AU  - Fan, Shanhui
AU  - Christodoulides, Demetrios N.
AU  - Zhao, Changying
AU  - Qiu, Cheng-Wei
PY  - 2023
DO  - 10.1103/physrevb.107.l241403
UR  - https://www.osti.gov/biblio/2422434
ID  - 2422434
ER  -