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. 2025 Aug 20;645(8079):73–79. doi: 10.1038/s41586-025-09417-w

Fig. 5. Coherent control in cells.

Fig. 5

a, A wide-field fluorescence image of HEK 293T cells expressing cytosolic EYFP (blue). A loop structure for applying the microwave drive is visible. ODMR scans in b are measured in the white outlined regions, and OADF is thresholded for the brightest pixels (red). Scale bar, 100 μm. b, ODMR signal averaged over the bright pixels (red, on cells) and dark pixels (purple, off cells). Instead of contrast, the PL difference normalized to the number of pixels is shown to illustrate the size of the signal contributed by the background. c, Rabi oscillations of Tx–Tz transition driven at (2π) × 2.835 GHz measured with the same process as in b. d, ODMR spectra of EYFP measured on E. coli cells. The wide-field image in a is measured on HEK cells at room temperature. The red pixel overlay in a is measured on HEK cells at 175 K. b and c are measured at 175 K. Panel d is measured on a pellet of E. coli at room temperature.