Jingyu Yang, Mengyan Li, Yan Ji, Xu Wang, Yong Tan, Liu Yang, Fengguang Luo. Generation Method and Detector in IM/DD O-SEFDM System[J]. Acta Optica Sinica, 2022, 42(19): 1906005
- Acta Optica Sinica
- Vol. 42, Issue 19, 1906005 (2022)
Fig. 1. Spectral forms generated by uIFrFT generation method. (a) Spectrum 1; (b) spectrum 2; (c) spectrum 3; (d) spectrum 4
Fig. 2. Block diagram of PRE-SPD algorithm
Fig. 3. Simulation diagram of IM/DD O-SEFDM
Fig. 4. Performance comparison of uIFrFT and ImFrDFT under 4QAM mapping for B2B. (a) 32 subcarriers (OSNR is 14 dB);(b) 64 subcarriers (OSNR is 15 dB)
Fig. 5. Performance comparison of uIFrFT and ImFrDFT under 16QAM mapping during 20 km SMF transmission
Fig. 6. Performance comparison of ID-FSD and ID-SPD for different spectrum forms generated based on uIFrFT under 4QAM mapping for 20 km SMF transmission (
Fig. 7. SEFDM performance under 16QAM mapping for 20 km SMF transmission (
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Table 1. Comparison of different generation methods when generating real-valued signal
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