Jianhua Ji, Jianjia Zhang, Bing Wu, Ke Wang, Ming Xu. 10 Gb/s two-dimensional free-space optical code division multiple access wiretap channel with spatial diversity[J]. Chinese Optics Letters, 2019, 17(8): 080604
- Chinese Optics Letters
- Vol. 17, Issue 8, 080604 (2019)
Fig. 1. 10 Gb/s 2D FSO-CDMA wiretap channel.
Fig. 2. Optical encoder and decoder based on WSS and ODLs.
Fig. 3. Received signal waveforms: (a) middle turbulence and (b) weak turbulence.
Fig. 4. Eye diagrams of middle turbulence: (a) diversity and (b) no diversity.
Fig. 5. BERs in weak and middle turbulence conditions.
Fig. 6. Eve’s eye diagrams with an extract ratio of 1%: (a) encoded and (b) uncoded.
Fig. 7. Eve’s BER with an extract ratio of 1%.
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