FIELD: physics.
SUBSTANCE: invention relates to computer systems, in particular to quantum computers and optical logic elements for data manipulation, and can be used in quantum-mechanical phenomena, such as superposition and entanglement. Method for qubit formation in a flat semiconductor microcavity consists in creating, at continuous non-resonant optical pumping, a two-level quantum system based on a Bose-Einstein condensate of exciton polaritons in form of an unfinished ring, where the qubit proper states are linear combinations of polariton currents, current and counterclockwise.
EFFECT: technical result is formation and subsequent control of quantum bits.
1 cl, 5 dwg
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