TY - GEN
T1 - Inversion of Orbital-Angular-Momentum Light Field Based on a Diffuser
AU - Yin, Xiaoli
AU - Hu, Di
AU - Chang, Huan
AU - Zhang, Zhaoyuan
AU - Zheng, Tong
N1 - Publisher Copyright:
© 2021 IEEE.
PY - 2021
Y1 - 2021
N2 - Recently, orbital angular momentum (OAM) beams have been applied in free space optical communication (FSOC) to build a high-capacity communication link. However, the light field information of OAM beam is difficult to be detected directly and quickly. Herein, this paper demonstrates a detector using speckle-correlation scattering matrix (SSM) imaging technology based on a diffuser and proposes a generalized hybrid input-output algorithm (GHIOA) for iterative optimization of the OAM inversion light field. As an application example, inversion of OAM field without reference light is realized employing SSM approach, by using the optical transmission matrix of strong scattering medium as a diffuser. The simulation results illustrate that the approach can improve the retrieval effect of OAM light field, when the sampling parameter is 4, and the average correlation rate of the inversion OAM filed is increased by about 200% after using GHIOA.
AB - Recently, orbital angular momentum (OAM) beams have been applied in free space optical communication (FSOC) to build a high-capacity communication link. However, the light field information of OAM beam is difficult to be detected directly and quickly. Herein, this paper demonstrates a detector using speckle-correlation scattering matrix (SSM) imaging technology based on a diffuser and proposes a generalized hybrid input-output algorithm (GHIOA) for iterative optimization of the OAM inversion light field. As an application example, inversion of OAM field without reference light is realized employing SSM approach, by using the optical transmission matrix of strong scattering medium as a diffuser. The simulation results illustrate that the approach can improve the retrieval effect of OAM light field, when the sampling parameter is 4, and the average correlation rate of the inversion OAM filed is increased by about 200% after using GHIOA.
KW - GHIOA
KW - OAM
KW - light field inversion
KW - scattering medium
UR - http://www.scopus.com/inward/record.url?scp=85125172096&partnerID=8YFLogxK
U2 - 10.1109/ICICN52636.2021.9673930
DO - 10.1109/ICICN52636.2021.9673930
M3 - Conference contribution
AN - SCOPUS:85125172096
T3 - 2021 IEEE 9th International Conference on Information, Communication and Networks, ICICN 2021
SP - 234
EP - 239
BT - 2021 IEEE 9th International Conference on Information, Communication and Networks, ICICN 2021
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 9th IEEE International Conference on Information, Communication and Networks, ICICN 2021
Y2 - 25 November 2021 through 28 November 2021
ER -