Photonics Research, Volume. 6, Issue 8, 805(2018)

Intermodal four-wave mixing in silicon waveguides

Stefano Signorini1、*, Mattia Mancinelli1,2, Massimo Borghi1, Martino Bernard3, Mher Ghulinyan4, Georg Pucker4, and Lorenzo Pavesi1
Author Affiliations
  • 1Department of Physics, University of Trento, Via Sommarive 14, 38123 Trento, Italy
  • 2SM Optics s.r.l., Research Programs, Via John Fitzgerald Kennedy 2, 20871 Vimercate, Italy
  • 3Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy
  • 4Centre for Materials and Microsystems, Fondazione Bruno Kessler, 38123 Trento, Italy
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    References(38)

    [3] S. Bagheri, W. M. Green. Silicon-on-insulator mode-selective add-drop unit for on-chip mode-division multiplexing. Proceedings of IEEE Conference on Group IV Photonics(2009).

    [6] M. Ma, L. Chen. On-chip silicon mode-selective broadband wavelength conversion based on cross-phase modulation. Conference on Lasers and Electro-Optics, STh3E.3(2016).

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    [18] F. Parmigiani, Y. Jung, S. M. M. Friis, Q. Kang, I. Begleris, P. Horak, K. Rottwitt, P. Petropoulos, D. J. Richardson. Study of inter-modal four wave mixing in two few-mode fibres with different phase matching properties. Proceedings of 42nd European Conference on Optical Communication(2016).

    [22] S. Signorini, M. Mancinelli, M. Bernard, M. Ghulinyan, G. Pucker, L. Pavesi. Broad wavelength generation and conversion with multi modal four wave mixing in silicon waveguides. Proceedings of IEEE Conference on Group IV Photonics, 59-60(2017).

    [24] J. G. Crowder, S. D. Smith, A. Vass, J. Keddie. Infrared methods for gas detection. Mid-Infrared Semiconductor Optoelectronics, 595-613(2006).

    [34] W. S. Chang. Fundamentals of Guided-Wave Optoelectronic Devices(2009).

    [36] G. P. Agrawal. Nonlinear Fiber Optics(2013).

    [38] [38] The conversion efficiency is calculated as the ratio between the on-chip idler peak power and the on-chip signal power, both evaluated at the end of the waveguide. The input on-chip signal power was about 47 µW (= −13.3 dB) at 1640 nm on the second-order mode. At the end of the waveguide, considering 4.6 dB·cm−1 of propagation losses and 1.5 cm waveguide length, the signal power on the second-order mode is −20.2 dBm. The off-chip generated average idler power is about −74.2 dBm, as shown in Fig. 8(a). Considering the coupling losses for the first-order mode, 5.3 dB, the on-chip average idler power is −68.9 dBm. Considering that the pump laser has 10 MHz repetition rate and 40 ps pulse width, the on-chip idler peak power, at the end of the waveguide, is −34.9 dBm. Therefore, the conversion between the signal power, −20.2 dBm, and the idler peak power, −34.9 dBm, is −14.7 dB.

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    Stefano Signorini, Mattia Mancinelli, Massimo Borghi, Martino Bernard, Mher Ghulinyan, Georg Pucker, Lorenzo Pavesi. Intermodal four-wave mixing in silicon waveguides[J]. Photonics Research, 2018, 6(8): 805

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    Paper Information

    Category: Nonlinear Optics

    Received: Feb. 6, 2018

    Accepted: May. 10, 2018

    Published Online: Aug. 1, 2018

    The Author Email: Stefano Signorini (stefano.signorini-1@unitn.it)

    DOI:10.1364/PRJ.6.000805

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