Geometrical Tailoring of Shockley-Ramo Bipolar Photocurrent in Self-powered GaAs Nanodevices

Xiaoguo Fang, Huanyi Xue, Xuhui Mao +8

Bipolar photoresponse - where photocurrent polarity reverses with excitation wavelength, gate voltage, or other conditions - is essential for optical logic, neuromorphic computing,…