frequency conversion

1 M.. Urmey, S.. Mittal, K.. Adachi, L.. Talamo, S.. Dickson, S.-X.. Lin, R.. Delaney, B.M. Brubaker, J.. Kindem, N.. Frattini, K.W. Lehnert, and C.A. Regal, SPIE Quantum West 12911, (2024).