13 papers
Sidewall-Poled Nanophotonic Lithium Niobate with Bidirectional Characterization
Aditya Tripathi, Michael S. Bullock, Parash Thapalia +10
Accurate characterization of integrated nonlinear photonic devices is often limited by unknown facet-coupling losses and fabrication-induced non-uniformities, leading to systematic…
Rigorous characterization of continuous-variable quantum states via optical parametric amplifiers
Manthan Badbaria, Fumiya Hanamura, Maxime Garnier +2
Characterizing non-Gaussian quantum states is of paramount importance for continuous-variable quantum information processing, yet conventional homodyne-measurement-based state tomo…
Ultra-broadband, Low-loss Wavelength Combiners and Filters: Novel Designs and Experiments in Thin-film Lithium Niobate
Robert Kwolek, Parash Thapalia, Aditya Tripathi +6
Thin-film lithium niobate (TFLN) has emerged as a leading platform for large-scale programmable photonic circuits for quantum and classical applications. As circuits scale in compl…
Rethinking Quantum Networking with Advances in Fiber Technology
Prateek Mantri, Michael S. Bullock, Aditya Tripathi +3
Recent comparisons of quantum repeater protocols have highlighted the strong near-term potential of multiplexed two-way architectures for long-distance quantum communication. At th…
Ultrashort-pulse-pumped, single-mode type-0 squeezers in lithium niobate nanophotonics
Martin Houde, Liam Beaudoin, Robert Kwolek +3
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…
Ultrafast All-Optical Measurement of Squeezed Vacuum in a Lithium Niobate Nanophotonic Circuit
James Williams, Elina Sendonaris, Rajveer Nehra +4
Squeezed vacuum, a fundamental resource for continuous-variable quantum information processing, has been used to demonstrate quantum advantages in sensing, communication, and compu…