Operating an integrated acoustic oscillator at a nonlinear exceptional point yields 33-fold higher responsivity, 8.75-fold wider bandwidth, and 10-fold better figure of merit for LWIR sensing at 9.6 um.
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Nonlinear exceptional points in an integrated acoustic-wave oscillator for longwave infrared sensing
Operating an integrated acoustic oscillator at a nonlinear exceptional point yields 33-fold higher responsivity, 8.75-fold wider bandwidth, and 10-fold better figure of merit for LWIR sensing at 9.6 um.