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Search Publications by: Sesha Challa (IntlAssoc)

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Domain-engineered, aperiodically-poled KTiOPO4 for polarization-entangled photons

April 20, 2026
Author(s)
Paulina Kuo, Sesha Challa, Anouar Rahmouni, Dileep Venkatarama Reddy, Ori Levin, Noa Bloch
We demonstrate a high-quality source of polarization-entangled photons in aperiodically-poled KTiOPO_4 (KTP). The crystal is based on a phase-modulated domain-engineered design that allows two simultaneous downconversion processes, where the two processes
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