A concept of the remotely actuated and interrogated four-wave mixing photonic sensor, which employs the negative-index photonic materials, is described. Unique electromagnetic properties of such a metamaterial enable enhancement of frequency conversion and redirection of the signals which carry important information for environmental probing. Four-wave mixing process allows for independent engineering of resonantly enhanced optical nonlinearities and negative refractive index.Keywords: Optical remote sensing, optical frequency up-conversion and parametric amplification, negative refractive index metamaterials, backward electromagnetic waves, infrared nonlinear optical microsensors.