Abstract:
Extremely strong lightwaves move semiconductor quasiparticles coherently much faster than scattering occurs, which paves the way for detailed control and transport of electronic quantum coherences, resembling the capabilities of atomic attosecond science. I will overview the new frontiers lightwave electronics opens for accessing and controlling multi-electron quantum information in solids. Examples include flipping valleytronic qubits in less than 5 femtoseconds, detecting quantum-material bands (including topology) with crystal-momentum combs, and direct attosecond clocking of many-body effects in diverse quantum systems. I will also speculate how these advancements could yield ultrafast access and control of electronic quantum information in solids, possibly at petahertz rates.
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