All-optical tunable wavelength conversion based on cross-polarisation modulation in nonlinear photonics crystal fibre

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All-optical tunable wavelength conversion based on cross-polarisation modulation in nonlinear photonics crystal fibre

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A tunable and stability-enhanced all-optical wavelength converter of 9.95328 Gbit/s 2.5 ps RZ-OOK signal is successfully demonstrated with power penalty <0.5 dB over the maximal pump-probe wavelength spacing, ∼23 nm. It is implemented based on the cross-polarisation modulation (XPolM) effect in a 64 m-long nonlinear photonics crystal fibre (PCF). The utilisation of such a short length of highly nonlinear PCF operating in the normal dispersion region not only reduces the wavelength converter's sensitivity to environmental disturbances and walk-off effect, but also eliminates modulation instability effects in the XPolM process.

Inspec keywords: optical wavelength conversion; optical fibre dispersion; optical fibre polarisation; photonic crystals; optical tuning

Other keywords: nonlinear photonics crystal fibre; cross polarisation modulation effect; maximal pump probe wavelength spacing; 2 ps; optical tunable wavelength conversion; 9.95328 Gbit/s; 64 m; stability enhanced wavelength converter; modulation instability effect; optical fibre dispersion

Subjects: Optical propagation, dispersion and attenuation in fibres; Fibre optics; Nonlinear optics; Optical harmonic generation, frequency conversion, parametric oscillation and amplification; Optical harmonic generation, frequency conversion, parametric oscillation and amplification; Other fibre optical properties

References

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      • Moeller, L.: `Generation of a 160-Gb/s RZ-DPSK signal and its detection with a one-bit Mach-Zehnder interferometer', Th4.4.6, ECOC'04, 2004, Stockholm, Sweden.
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      • Chow, K.K.: `Widely tunable wavelength converter by four wave mixing in a dispersion-flattened nonlinear photonic crystal fiber', Tu3.3.6, ECOC'04, 2004, Stockholm, Sweden.
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