Flexible and High-Fidelity Concurrent Dual-Band Delta-Sigma Modulator for Diverse Applications Convergence
- Resource Type
- Conference
- Authors
- Yan, Zijun; Zhu, Yixiao; Zhang, Yikun; Hu, Yimin; Lin, Gengming; Wu, Qi; Cheng, Ziyu; Hu, Weisheng
- Source
- 2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM) Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM), 2023 Asia. :1-5 Nov, 2023
- Subject
- Communication, Networking and Broadcast Technologies
Engineered Materials, Dielectrics and Plasmas
Photonics and Electrooptics
Signal Processing and Analysis
Frequency modulation
Dual band
Chebyshev approximation
Position measurement
Filtering algorithms
Delta-sigma modulation
Passband
concurrent dual-band
delta-sigma modulator
flexible passband
radio-over-fiber
- Language
We propose and experimentally demonstrate a concurrent dual-band delta-sigma modulation for fronthaul. The proposed modulator can flexibly adjust the center frequency of each passband with ~3.0-dB SNR improvement, supporting 2.67GHz 1024-QAM transmission over 10-km SSMF.