clock transition
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2022 ◽  
Author(s):  
Christoph Hotter ◽  
David Plankensteiner ◽  
G.A. Kazakov ◽  
Helmut Ritsch


2021 ◽  
Vol 18 ◽  
pp. 100326
Author(s):  
L. Pelzer ◽  
K. Dietze ◽  
J. Kramer ◽  
F. Dawel ◽  
L. Krinner ◽  
...  


2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Juan A. Muniz ◽  
Dylan J. Young ◽  
Julia R. K. Cline ◽  
James K. Thompson


2021 ◽  
Author(s):  
Krishnendu Kundu ◽  
Jessica R. K. White ◽  
Samuel A. Moehring ◽  
Jason M. Yu ◽  
Joseph W. Ziller ◽  
...  

Spins in molecules are particularly attractive targets for next-generation quantum technologies, enabling chemically programmable qubits and potential for scale-up via self-assembly. Here, we demonstrate chemical control of the degree of s-orbital mixing into the spin-bearing d-orbital associated with a series of spin-½ La(II) and Lu(II) molecules. Increased s-orbital character reduces spin-orbit coupling and enhances the electron-nuclear Fermi contact interaction. Both outcomes are beneficial for quantum applications: the former reduces spin-lattice relaxation, while the latter gives rise to a record molecular hyperfine interaction for Lu(II) that, in turn, generates a massive 9 GHz hyperfine clock transition and an order of magnitude increase in phase memory time. These findings suggest new strategies for development of molecular quantum technologies, akin to trapped ion systems.



2021 ◽  
Author(s):  
Krishnendu Kundu ◽  
Jessica R. K. White ◽  
Samuel A. Moehring ◽  
Jason M. Yu ◽  
Joseph W. Ziller ◽  
...  

Spins in molecules are particularly attractive targets for next-generation quantum technologies, enabling chemically programmable qubits and potential for scale-up via self-assembly. Here, we demonstrate chemical control of the degree of s-orbital mixing into the spin-bearing d-orbital associated with a series of spin-½ La(II) and Lu(II) molecules. Increased s-orbital character reduces spin-orbit coupling and enhances the electron-nuclear Fermi contact interaction. Both outcomes are beneficial for quantum applications: the former reduces spin-lattice relaxation, while the latter gives rise to a record molecular hyperfine interaction for Lu(II) that, in turn, generates a massive 9 GHz hyperfine clock transition and an order of magnitude increase in phase memory time. These findings suggest new strategies for development of molecular quantum technologies, akin to trapped ion systems.





2021 ◽  
Vol 103 (2) ◽  
Author(s):  
Ravi Kumar ◽  
S. Chattopadhyay ◽  
D. Angom ◽  
B. K. Mani


Author(s):  
Gicheol Shin ◽  
Eunyoung Lee ◽  
Jongmin Lee ◽  
Yongmin Lee ◽  
Yoonmyung Lee


Nature ◽  
2020 ◽  
Vol 588 (7838) ◽  
pp. 414-418 ◽  
Author(s):  
Edwin Pedrozo-Peñafiel ◽  
Simone Colombo ◽  
Chi Shu ◽  
Albert F. Adiyatullin ◽  
Zeyang Li ◽  
...  


2020 ◽  
Vol 102 (5) ◽  
Author(s):  
Pavel Fadeev ◽  
Julian C. Berengut ◽  
Victor V. Flambaum


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