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Bottrill KR, Hesketh G, Parmigiani F, et al. Optimisation of amplitude limiters for phase preservation based on the exact solution to degenerate four-wave mixing. Opt Express. 2016;24(3):2774-87doi: 10.1364/OE.24.002774.
Bottrill, K. R., Hesketh, G., Parmigiani, F., Richardson, D. J., & Petropoulos, P. (2016). Optimisation of amplitude limiters for phase preservation based on the exact solution to degenerate four-wave mixing. Optics express, 24(3), 2774-87. https://doi.org/10.1364/OE.24.002774
Bottrill, K R H, et al. "Optimisation of amplitude limiters for phase preservation based on the exact solution to degenerate four-wave mixing." Optics express vol. 24,3 (2016): 2774-87. doi: https://doi.org/10.1364/OE.24.002774
Bottrill KR, Hesketh G, Parmigiani F, Richardson DJ, Petropoulos P. Optimisation of amplitude limiters for phase preservation based on the exact solution to degenerate four-wave mixing. Opt Express. 2016 Feb 08;24(3):2774-87. doi: 10.1364/OE.24.002774. PMID: 26906847.
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Opt Express. 2016 Feb 08;24(3):2774-87. doi: 10.1364/OE.24.002774.

Optimisation of amplitude limiters for phase preservation based on the exact solution to degenerate four-wave mixing.

Optics express

K R H Bottrill, G Hesketh, F Parmigiani, D J Richardson, P Petropoulos

PMID: 26906847 DOI: 10.1364/OE.24.002774

Abstract

Adopting an exact solution to four-wave mixing (FWM), wherein harmonic evolution is described by the sum of two Bessel functions, we identify two causes of amplitude to phase noise conversion which impair FWM saturation based amplitude regenerators: self-phase modulation (SPM) and Bessel-order mixing (BOM). By increasing the pump to signal power ratio, we may arbitrarily reduce their impact, realising a phase preserving amplitude regenerator. We demonstrate the technique by applying it to the regeneration of a 10 GBaud QPSK signal, achieving a high level of amplitude squeezing with minimal amplitude to phase noise conversion.

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