  We demonstrate how to create maximal entanglement between two qubits that are
encoded in two spectrally distinct solid-state quantum emitters embedded in a
waveguide interferometer. The optical probe is provided by readily accessible
squeezed light, generated by parametric down-conversion. By continuously
illuminating the emitters, the photon scattering and incremental path-erasure
builds up entanglement. Our method does not require perfectly identical
emitters, and accommodates spectral variations due to the fabrication process.
Furthermore, for some line-width and energy ratios, the entanglement build-up
can be significantly faster than for more similar emitters. It is also robust
enough to create entanglement with a concurrence above 99\% in the event of
scattering losses and detector inefficiencies, and can form the basis for
practical entangled networks.
