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The contribution of each nonlinear effect to system penalty is investigated in a 20×100km homogeneous WDM PDM-QPSK link over wide range of symbol rates and setups. XPolM is found to dominate 112Gb/s… (More)
In dispersion compensated systems, the intensity distortion induced by the interplay between cross-phase modulation and fiber chromatic dispersion can be a primary cause of transmission degradation.… (More)
Ca2+ transfer from endoplasmic reticulum (ER) to mitochondria can trigger apoptotic pathways by inducing release of mitochondrial pro-apoptotic factors. Three different types of inositol… (More)
A novel accurate measurement technique of the in-band four-wave mixing (FWM) power in dense wavelength-division multiplexing (DWDM) over nonzero dispersion fibers is presented. By measuring only two… (More)
Gain control by means of pump compensation in cascades of erbium-doped fiber amplifiers (EDFAs) is analyzed. Based on analytical expressions for the 1-dB rise/fall time for the case of channels… (More)
The nonlinear interaction between signal and ASE is investigated with our time-domain enhanced Gaussian noise model (EGN). NSNI implications on reach and digital back-propagation efficiency of a… (More)
A theoretical analysis of the automatic frequency control (AFC) in binary DPSK and FSK heterodyne optical receivers is presented, and its impact on the system performance is evaluated. The effects of… (More)
We propose an efficient Hybrid system based on 40G DQPSK and 10G narrow filter DPSK in place of OOK. This technique reduces XPM on DQPSK channels at low inline dispersion.
A simple method to measure the small-signal impulse response of balanced chains of both clamped and unclamped erbium-doped fiber amplifiers using a recirculating loop is presented, and the… (More)
We review the system implications of the nonlinear interaction between signal and noise in 10 Gb/s OOK-NRZ long-haul systems working at low signal-to-noise ratios and employing FECs.