Accession Number : AD1032784


Title :   Recovery of Spectrally Overlapping QPSK Signals Using a Nonlinear Optoelectronic Filter


Descriptive Note : Technical Report


Corporate Author : MIT Lincoln Laboratory Lexington United States


Personal Author(s) : Loh,William ; Yegnanarayanan,Sivasubramaniam S ; Kolodziej,Kenneth E ; Juodawlkis,Paul W


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1032784.pdf


Report Date : 19 Mar 2017


Pagination or Media Count : 4


Abstract : We demonstrate recovery of a weak QPSK signal buried 35-dB beneath an interfering QPSK signal having an overlapping spectrum. This nonlinear optoelectronic filter technique opens new directions to increase spectral efficiency.


Descriptors :   Optoelectronics , demodulation , radar , radio frequency , phase shift , ground based , filtration , intermodulation , algorithms , nonlinear optics , optical filters , signal processing


Subject Categories : Electrooptical and Optoelectronic Devices


Distribution Statement : APPROVED FOR PUBLIC RELEASE