Pauli blockade in a few-hole PMOS double quantum dot limited by spin-orbit interaction

We report on the hole compact doublequantum dots fabricated using a conventional CMOS technology. We provide the evidence of Pauli spin blockade in the few hole regime that is relevant to spinqubit implementations. Acurrent dip is observed around zeromagnetic field, in agreement with the expected behavior for the case of strong spin-orbit. We deduce an intradotspin relaxation rate≈120  kHz for the first holes, an important step towards a robust hole spin-orbitqubit.

Source: Applied Physics Letters - November 7, 2016 Category: Physics Authors: H. Bohuslavskyi, D. Kotekar-Patil, R. Maurand, A. Corna, S. Barraud, L. Bourdet, L. Hutin, Y.-M. Niquet, X. Jehl, S. De Franceschi, M. Vinet and M. Sanquer Source Type: research