Abstract
We experimentally demonstrate polarization-insensitive all optical wavelength conversion of a 10-Gb/s DPSK data signal based on four-wave mixing in a silicon waveguide with an angled-pump scheme. Dispersion engineering is applied to the silicon waveguide to obtain similar four-wave mixing conversion performances for both the TE and TM modes. Bit-error rate measurements are performed and error-free operation is achieved. We also demonstrate polarization-insensitive wavelength conversion with a large separation between the idler and signal using a dual-pump configuration.
Highlights
All-optical wavelength conversion (AOWC) is an important feature in future wavelength division multiplexing (WDM) networks
We experimentally demonstrate polarization-insensitive all optical wavelength conversion of a 10-Gb/s differential phaseshift keying (DPSK) data signal based on four-wave mixing in a silicon waveguide with an angled-pump scheme
This functionality has been demonstrated in different devices including semiconductor optical amplifiers (SOAs) [1], periodically-poled lithium niobate (PPLN) waveguides [2], and highly nonlinear fibers (HNLFs) [3,4,5,6], based on different nonlinear effects
Summary
All-optical wavelength conversion (AOWC) is an important feature in future wavelength division multiplexing (WDM) networks This functionality has been demonstrated in different devices including semiconductor optical amplifiers (SOAs) [1], periodically-poled lithium niobate (PPLN) waveguides [2], and highly nonlinear fibers (HNLFs) [3,4,5,6], based on different nonlinear effects. Different nonlinear applications including signal regeneration [9], parametric amplification [10], wavelength conversion [11,12], ultra-fast waveform sampling, demultiplexing [13], multicasting [14,15], and serial-to-parallel data conversion [16] have been demonstrated based on four-wave mixing (FWM) processes in silicon waveguides. We demonstrate broadband polarization-insensitive AOWC with a large separation between the idler and signal utilizing a dual-pump configuration
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