Ultrashort-pulse-pumped, single-mode type-0 squeezers in lithium niobate nanophotonics
arXiv:2412.17708 · doi:10.1364/OPTICAQ.566703
Abstract
We present design principles for ultrashort-pulse, type-0 phase-matched optical parametric amplifiers to generate and measure spectrally pure degenerate squeezed light. We consider a fundamental signal (second-harmonic) mode at 2090 (1045) nm and show that our proposed design achieves a Schmidt number of with squeezing levels greater than 15 dB on a single temporal mode spanning over THz in bandwidth with cm-scale devices on thin-film lithium niobate (TFLN) on insulator platform. Our work opens up promising avenues for large-scale circuits for ultrafast quantum information processing and quantum sensing applications on the rapidly advancing TFLN platform with already demonstrated linear components and photodetection capabilities.
Close to published version in Optica Quantum
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