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Optical Biasing in Direct Detection Optical-OFDM for Improving Receiver Sensitivity
Fiber optics communications Modulation
2015/6/4
We show that replacing of electrical by an optical biasing minimizes the nonlinearity effect of an optical modulator. This allows the amplitude of the driving signal to be increased which increases th...
Sensitivity of Balanced Receivers for Polarization Shift Keying in Free-Space Optical Communications
Sensitivity Balanced Receivers Polarization Shift Free-Space Optical Communications
2015/7/20
Polarization modulation is a robust and efficient format for optical free-space communications. We study the sensitivity of real-world balanced receivers, including possible atmospheric effects on the...