156 citations · 1.3k across the 31 of their papers we have counts for
4 papers · 1 filter
Pulse shaping using dispersion-engineered difference frequency generation
Markus Allgaier, Vahid Ansari, John Matthew Donohue +5
The temporal-mode (TM) basis is a prime candidate to perform high-dimensional quantum encoding. Quantum frequency conversion has been employed as a tool to perform tomographic anal…
Fabrication limits of waveguides in nonlinear crystals and their impact on quantum optics applications
Matteo Santandrea, Michael Stefszky, Vahid Ansari +1
Waveguides in nonlinear materials are a key component for photon pair sources and offer promising solutions to interface quantum memories through frequency conversion. To bring the…
Quantum-limited time-frequency estimation through mode-selective photon measurement
John M. Donohue, Vahid Ansari, Jaroslav Řeháček +5
By projecting onto complex optical mode profiles, it is possible to estimate arbitrarily small separations between objects with quantum-limited precision, free of uncertainty arisi…
Tailoring nonlinear processes for quantum optics with pulsed temporal-mode encodings
Vahid Ansari, John M. Donohue, Benjamin Brecht +1
The time-frequency degree of freedom is a powerful resource for implementing high-dimensional quantum information processing. In particular, field-orthogonal pulsed temporal modes…