Mid-infrared wavelength conversion in silicon waveguides using ultracompact telecom-band-derived pump source

    Authors

    S. Zlatanovic; J. S. Park; S. Moro; J. M. C. Boggio; I. B. Divliansky; N. Alic; S. Mookherjea;S. Radic

    Comments

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    Abbreviated Journal Title

    Nat. Photonics

    Keywords

    QUANTUM CASCADE LASERS; LIDAR; Optics; Physics, Applied

    Abstract

    Mid-infrared light sources are essential for applications that include free-space communication, chemical and biomolecular sensing and infrared spectroscopy(1-3), but no devices comparable to those in the near-infrared regime have emerged to date. Indeed, sources operating above 1.8 mu m, including optical parametric oscillators and thulium-doped fibre lasers, do not combine a large tunable range and narrow linewidth, and generally cannot be modulated to support advanced applications(4,5). Widely tunable mid-infrared quantum cascade lasers are available; however, room-temperature operation in the 3-4 mu m range still presents a challenge because of material limitations(6,7). Wavelength conversion in silicon offers promise for the development of an ultracompact mid-infrared source that combines wide wavelength tuning, narrow linewidth and arbitrarily complex modulation rivalling those in the telecom window. Here, we report four-wave mixing in silicon waveguides in the spectral region beyond 2 mm, using probe and pump waves derived from ultracompact telecom fibre-optic sources, achieving generation of 2,388 nm light.

    Journal Title

    Nature Photonics

    Volume

    4

    Issue/Number

    8

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    561

    Last Page

    564

    WOS Identifier

    WOS:000280495400021

    ISSN

    1749-4885

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