Microwave Signal Generation and Noise Reduction Using Cascaded MZM for Radar Applications

Fayza, K A; Joseph, Asha; Meeva, P A; Meena, Durga Shankar; Srinivas, T.

doi:10.1109/icacc.2015.77

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Various Methods For Dual‐chirp Microwave Generation1

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2024

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“…In references 25–27, two single‐drive MZM are cascaded at minimum transmission point, to suppress carrier signal in the modulated output, and in push‐pull mode as shown in Figure 2B. Relatively larger bandwidth has been claimed by the authors.…”

Section: Various Methods For Dual‐chirp Microwave Generationmentioning

confidence: 99%

A review on photonic‐assisted dual‐chirp microwave waveform generation methods

Kumar,

Raghuwanshi,

Yadav

2024

Micro & Optical Tech Letters

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In recent times, photonic synthesis and processing of arbitrary microwave waveforms have gained interest due to their high frequency and huge time–bandwidth product. This study reviews methods for producing dual‐chirp microwave waveforms, focusing mostly on system topologies based on external modulation techniques, such as cascaded Mach–Zehnder modulator (MZM), dual parallel MZM, and dual polarized MZM. Other photonic approaches, like using semiconductor laser and optical heterodyne detection methods, are also discussed. These techniques are preferable because of high frequency, enhanced time–bandwidth product, greater chirp rate, and many more advantages. Additionally, the difficulties associated with integrating the systems into real‐world applications are also addressed.

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Section: Various Methods For Dual‐chirp Microwave Generationmentioning

confidence: 99%