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Travelling-wave resonant four-wave mixing breaks the limits of cavity-enhanced all-optical wavelength conversion

Author

Listed:
  • Francesco Morichetti

    (Politecnico di Milano
    Fondazione Politecnico di Milano)

  • Antonio Canciamilla

    (Politecnico di Milano)

  • Carlo Ferrari

    (Politecnico di Milano)

  • Antonio Samarelli

    (Electronics and Electrical Engineering, University of Glasgow)

  • Marc Sorel

    (Electronics and Electrical Engineering, University of Glasgow)

  • Andrea Melloni

    (Politecnico di Milano)

Abstract

Wave mixing inside optical resonators, while experiencing a large enhancement of the nonlinear interaction efficiency, suffers from strong bandwidth constraints, preventing its practical exploitation for processing broad-band signals. Here we show that such limits are overcome by the new concept of travelling-wave resonant four-wave mixing (FWM). This approach combines the efficiency enhancement provided by resonant propagation with a wide-band conversion process. Compared with conventional FWM in bare waveguides, it exhibits higher robustness against chromatic dispersion and propagation loss, while preserving transparency to modulation formats. Travelling-wave resonant FWM has been demonstrated in silicon-coupled ring resonators and was exploited to realize a 630-μm-long wavelength converter operating over a wavelength range wider than 60 nm and with 28-dB gain with respect to a bare waveguide of the same physical length. Full compatibility of the travelling-wave resonant FWM with optical signal processing applications has been demonstrated through signal retiming and reshaping at 10 Gb s−1

Suggested Citation

  • Francesco Morichetti & Antonio Canciamilla & Carlo Ferrari & Antonio Samarelli & Marc Sorel & Andrea Melloni, 2011. "Travelling-wave resonant four-wave mixing breaks the limits of cavity-enhanced all-optical wavelength conversion," Nature Communications, Nature, vol. 2(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1294
    DOI: 10.1038/ncomms1294
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    Cited by:

    1. Chiao-Hsuan Wang & Fangxin Li & Liang Jiang, 2022. "Quantum capacities of transducers," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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