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Separated Schmidt modes in the angular spectrum of biphotons

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arxiv 1905.07134 v1 pith:ZH5PHXT7 submitted 2019-05-17 quant-ph physics.optics

Separated Schmidt modes in the angular spectrum of biphotons

N. A. Borshchevskaia , F. Just , K. G. Katamadze , A. Cavanna , M. V. Chekhova This is my paper
classification quant-ph physics.optics
keywords angularmodesschmidtspectrumaddressingallowsbasisbiphoton
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We prepare qudits based on angular multimode biphoton states by modulating the pump angular spectrum. The modes are prepared in the Schmidt basis and their intensity distributions do not overlap in space. This allows one to get rid of filtering losses while addressing single modes and to realize a single-shot qudit readout.

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