Data Transfer from RZ-OOK to RZ-BPSK by Polarization-Insensitive XPM in a Passive Birefringent Nonlinear AlGaAs Waveguide
Journal of lightwave technology(2013)
摘要
The dependence of the nonlinear coefficients on the transverse profiles of the pump and the probe fields, which is especially important for a highly anisotropic device such as the Al0.18Ga0.82As waveguide, was not explicitly stated in our paper "Data transfer from RZ-OOK to RZ-BPSK by polarization-insensitive XPM in a passive birefringent nonlinear AlGaAs waveguide." The four-wave mixing efficiency was also incorrectly presented to depend on the square of the device physical length. Lastly, the influence of the fiber-waveguide coupling coefficient was neglected with insufficient justification, leading to an inaccurate general expression for the detected voltage.
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关键词
Birefringence,cross-phase modulation,integrated optics,nonlinear optical signal processing,nonlinear waveguides
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