Xiongwei Yang, Feng Zhao. Generation of Terahertz Quadrature Phase Shift Keying Signals over Fiber with On-Off-Keying Modulation[J]. Acta Optica Sinica, 2022, 42(8): 0806002
- Acta Optica Sinica
- Vol. 42, Issue 8, 0806002 (2022)
Fig. 1. Generation principle of photonics assisted terahertz QPSK based on OOK modulation
Fig. 2. Optical spectra. (a) Optical carrier; (b) DP-MZM output; (c) PBC output; (d) PD output
Fig. 3. Constellations of QPSK signals passing through DSP. (a) 80 GHz; (b) 240 GHz; (c) 400 GHz
Fig. 4. Relationship between BER of QPSK signal and OSNR
Fig. 5. Relationship between BER of QPSK signal and transmission distance
Fig. 6. Relationship between BER of QPSK signal and input power of PD
Fig. 7. Relationship between BER of QPSK signal and baud rate
Fig. 8. Relationship between BER and extinction ratio
Fig. 9. Relationship between BER and orthogonality deviation
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