  We explore entanglement harvesting with particle detectors that couple
linearly to non-Hermitian fields. Specifically, we analyze the case of particle
detectors coupled to a complex scalar quantum field and to a spin 1/2 fermionic
field. We find that the complex scalar model can be a good approximation for
the fermionic model in the protocol of entanglement harvesting when the mass of
the field is sufficiently large compared to the inverse interaction time.
Moreover, we show that by taking advantage of the U(1) degree of freedom of a
complex detector it is possible to increase the harvested negativity by up to
two orders of magnitude when compared to the case of a real detector.
