Manipulation manner and the generation manual operating device of the quantum dot which can be controlled at size below the percent order which is required when the quantum dot which is generated abundantly is applied, optically are offered. Superfluidity helium (7) the quantum dot generation manual operating device which it has (1) at inside, laser light for dot generation (4a) irradiating to the solid (3) inside, it generates the quantum dot, laser light for dot manipulation (5a) irradiating to the above-mentioned quantum dot which generates, it manipulates the particular quantum dot.
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