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It has been predicted recently that an electron beam can be polarized when itflows adiabatically through a quantum point contact in a system with spin-orbitinteraction. Here, we show that a simple transverse electron focusing setup canbe used to detect such polarized current. It uses the amplitude's asymmetry ofthe spin-split transverse electron focusing peak to extract information aboutthe electron's spin polarization. On the other hand, and depending on thequantum point contact geometry, including this one-body effect can be importantwhen using the focusing setup to study many-body effects in quantum pointcontacts.Comment: 5 pages, 5 figure

Detection of spin polarized currents in quantum point contacts via transverse electron focusing