3 papers
quant-ph2026
Ablation Removal of Transport-Blocking Defects in Surface-Electrode Ion Traps
Toby Maddock, Parsa Rahimi, Matthew Aylett +3
We demonstrate in situ removal of a transport-blocking defect on a surface-electrode ion trap device using a Q-switched Nd:YAG 532 nm pulsed ablation laser. This approach eliminate…
quant-ph2026
Trion quantum coherence in site-controlled pyramidal InGaAs quantum dots
R. A. Barcan, I. Samaras, K. Barr +3
Deterministically positioned pyramidal InGaAs quantum dots (QDs) exhibit exceptional quantum properties, making them highly promising candidates for scalable on-chip quantum inform…
cond-mat.mes-hall2025
Optical pumping and initialization of a hole spin in site-controlled InGaAs pyramidal quantum dots
R. A. Barcan, I. Samaras, K. Barr +3
We investigate site-controlled InGaAs quantum dots in (111)B GaAs pyramidal recesses as spin qubits. Combining scanning confocal cryomicroscopy, magneto-photolumi…