Acta Optica Sinica, Volume. 42, Issue 19, 1906005(2022)
Generation Method and Detector in IM/DD O-SEFDM System
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Fig. 1. Spectral forms generated by uIFrFT generation method. (a) Spectrum 1; (b) spectrum 2; (c) spectrum 3; (d) spectrum 4
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 (
Table 1. Comparison of different generation methods when generating real-valued signal
View tableTable 1. Comparison of different generation methods when generating real-valued signal
Generation method Up-conversion Constraint on formats Constraint on α Constraint on flexibility IFrFT［ 9 ］Yes No No Yes IDFT［ 10 ］No No Yes No FrHT［ 11 ］No Yes No Yes FrCT［ 12 ］No Yes No Yes ImFrDFT［ 13 ］No No No Yes uIFrFT No No No No
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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
Paper Information
Category: Fiber Optics and Optical Communications
Received: Mar. 1, 2022
Accepted: Apr. 18, 2022
Published Online: Oct. 18, 2022
The Author Email: Yang Liu (liuyang89@hubu.edu.cn), Luo Fengguang (fgluo@hust.edu.cn)
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