Microwave Photonic Link With Improved Dynamic Range for Long-Haul Multi-Octave Applications | PERPUSTAKAAN UNIVERSITAS KATOLIK PARAHYANGAN

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Microwave Photonic Link With Improved Dynamic Range for Long-Haul Multi-Octave Applications

Zheng, Ruiqi - Nama Orang; Chan, Erwin H. W. - Nama Orang; Feng, Xinhuan - Nama Orang; Guan, Bai-Ou - Nama Orang; Wang, Xudong - Nama Orang;

A technique to suppress both the second and third order nonlinear distortions in a long-haul microwave photonic link (MPL) is presented. The MPL consists of a dual-polarization dual-parallel Mach-Zehnder modulator (DP-DPMZM), a polarizer, a length of fiber, an optical bandpass filter (OBPF), and a balanced photodetector (BPD). The DP-DPMZM has two sub-DPMZMs. For a two-tone signal at f 1 and f 2 , the second order harmonic distortions (SHD) and the second order intermodulation distortions (IMD2) at f 2 + f 1 are suppressed by biasing one sub-DPMZM to operate with single-sideband suppressed carrier (SSB-SC) modulation. The IMD2 at f 2 – f 1 is suppressed by balanced detection at the BPD. The third order intermodulation distortions (IMD3) are suppressed by adjusting the state of polarization of the light wave into the polarizer. The spurious free dynamic range (SFDR) in a multi-octave band is free from fiber dispersion effect due to the bias setting of the DP-DPMZM. As a result, a high multi-octave SFDR can be obtained irrespective of the transmission distance. The proposed MPL is analyzed theoretically and is verified experimentally. The measured multi-octave SFDR is 95.9 dB·Hz 1/2 and 92.1 dB·Hz 1/2 when a long fiber link at 10 km and 20 km is used for signal transmission, respectively, which is 16.1 dB and 17.3 dB higher compared to a conventional Mach-Zehnder modulator (MZM) based MPL operating under the same condition.

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Informasi Detail

Judul Seri: JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.24 December 15 2021
No. Panggil: -
Penerbit: : .,
Deskripsi Fisik: p. 7915-7924
Bahasa: English
ISBN/ISSN: -
Klasifikasi: NONE
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: SPURIOUS FREE DYNAMIC RANGE
RADIO OVER FIBER
MICROWAVE PHOTONIC LINKS
MULTI-OCTAVE BAND
Info Detail Spesifik: 10.1109/JLT.2021.3082154
Pernyataan Tanggungjawab: Ruiqi Zheng, Erwin H. W. Chan, Xudong Wang, Xinhuan Feng, Bai-Ou Guan, et al.

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