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The use of a tapered chalcogenide fibre for optical sampling of high bit-rate signals through four-wave mixing is demonstrated. The taper's ultra-high nonlinearity (?? = 10000/W/km), low dispersion (D = 40ps/nm/km) and short length (5 cm) ensure that signal and pump pulses are not distorted by chromatic aberration effects. This enables high-resolution optical sampling with a broad signal wavelength...
We report optical phase conjugation of wavelength multiplexed signals using a chalcogenide planar waveguide inserted along a transmission link. Distortion compensation of 3 ?? 40 Gb/s RZ-DPSK signals propagating through 225 km of standard single mode fiber is achieved.
We demonstrate broadband wavelength conversion of amplitude and phase-shift keyed signals at 40-160 Gb/s using the optical Kerr-effect in a photonic chip for the first time. This is enabled by a dispersion-shifted, highly nonlinear As2S3 waveguide.
A review of the development and applications of compact highly nonlinear Chalcogenide waveguides for ultra-fast all-optical signal processing is presented. We demonstrate the extreme tapering of a highly nonlinear As2S3 fiber to further increase its nonlinearity by more than an order of magnitude thereby enabling time-division demultiplexing of a 160 Gb/s signal by four-wave mixing (FWM) with significantly...
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