Performance analysis of PPM FSOC system with APD detector considering atmospheric turbulence channel and fiber coupling

Y Chang, Z Liu, H Yao, X Ni, B Li - Optical Engineering, 2022 - spiedigitallibrary.org
In a free-space optical communication system with an avalanche photodiode (APD) detector,
the average bit error rate (ABER) is studied based on pulse position modulation (PPM) …