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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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We report a design and implementation of a cost-effective spatial demultiplexer which produces 4 indistinguishable photons with efficiency 39.7% per channel. Our scheme is based on a free-space storage/delay line which accumulates 4 photons and releases them by a controlled polarization rotation with a single Pockels cell.