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A Theoretical Study on the Amplitude Symmetry of Sidebands in Nonlinear Modulators

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3 Author(s)
Vito Puliafito $^{1}$Department of Matter Physics and Electronic Engineering,, University of Messina,, Messina, Italy ; Giancarlo Consolo ; Bruno Azzerboni

Nonlinear modulators, of any physical nature, exhibit a frequency spectrum in which sidebands, while always symmetrically located with respect to the central peak, generally present different amplitudes. In this paper, a systematic theoretical study on the possibility to achieve a symmetry also in the sidebands amplitudes is carried out. This amplitude symmetry property is investigated for pure and combined, linear and nonlinear, analog modulation schemes. A validation of our theoretical results is achieved through a numerical study performed on a nonlinear spintronic modulator.

Published in:

IEEE Transactions on Magnetics  (Volume:48 ,  Issue: 12 )