Linearization and down-conversion of microwave photonics Signal based on dual-drive dual-parallel mach-zehnder modulator with eliminated 3rd intermodulation and 2nd distortions

Shaqiri, Shemsi; Haxha, Shyqyri

doi:10.1016/j.ijleo.2019.164103

Cited by 3 publications

(1 citation statement)

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“…Whereas Third Intermodulation Distortion (IMD3) is the most rigorous in signal linearization, down to being very close to transmitted signal and limiting free dynamic range. Conversely, when signals are very close to each other, the Second Intermodulation Distortions (IMD2) along Second Order Harmonics (SOH) will experience severe distortions, subsequently many linearization techniques have been developed to supressing IMDs and improving Spurious-Free Dynamic Range (SFDR) [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Microwave Photonics Analog Link based on two Integrated D-DPMZM Linearized Signals and with Eliminated odd Harmonics and all IMD’s.

Haxha

Shaqiri

Flint

et al. 2021

Preprint

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A novel Microwave Photonic Link (MPL) system configuration based on two Dual-drive Dual-parallel Mach-Zehnder modulators (D-DPMZMs) and two Balanced Photo-Detectors (BPDs) is reported. The Intermodulation Distortions (IMDs), as well as the harmonic distortions have been eliminated. The proposed linearization of RF signal configuration is double side banded in both D-DPMZM. A full mathematical model has been developed and simulations have been implemented for the proposed configuration. The RF linearization for this configuration has been tested by introducing an additional RF signal, as well as phase and intensity errors in MZ branches. The proposed MPL system configuration exhibits significant performance and it will have great impact on aerospace, radar, and satellite-to-ground downlink communication system applications.

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