The $^{1}\mathrm{S}_0$-$^{3}\mathrm{P}_2$ magnetic quadrupole transition in neutral strontium
Phys. Rev. Research 5, 013219 (2023) We present a detailed investigation of the ultranarrow magnetic-quadrupole $^{1}\mathrm{S}_0$-$^{3}\mathrm{P}_2$ transition in neutral strontium and show how it can be made accessible for quantum simulation and quantum computation. By engineering the light shift...
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Zusammenfassung: | Phys. Rev. Research 5, 013219 (2023) We present a detailed investigation of the ultranarrow magnetic-quadrupole
$^{1}\mathrm{S}_0$-$^{3}\mathrm{P}_2$ transition in neutral strontium and show
how it can be made accessible for quantum simulation and quantum computation.
By engineering the light shift in a one-dimensional optical lattice, we perform
high-resolution spectroscopy and observe the characteristic absorption patterns
for a magnetic quadrupole transition. We measure an absolute transition
frequency of 446,647,242,704(2) kHz in $^{88}\mathrm{Sr}$ and an
$^{88}\mathrm{Sr}$-$^{87}\mathrm{Sr}$ isotope shift of +62.91(4) MHz. In a
proof-of-principle experiment, we use this transition to demonstrate local
addressing in an optical lattice with 532 nm spacing with a Rayleigh-criterion
resolution of 494(45) nm. Our results pave the way for applications of the
magnetic quadrupole transition as an optical qubit and for single-site
addressing in optical lattices. |
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DOI: | 10.48550/arxiv.2211.02470 |