diff --git a/codes/quantum/oscillators/coherent_state/cat/cat_concatenated.yml b/codes/quantum/oscillators/coherent_state/cat/cat_concatenated.yml
index e43b546d4..4fc659e9e 100644
--- a/codes/quantum/oscillators/coherent_state/cat/cat_concatenated.yml
+++ b/codes/quantum/oscillators/coherent_state/cat/cat_concatenated.yml
@@ -17,6 +17,9 @@ protection: |
 
   A concatenation of the repetition code with the two-component cat code is a candidate for a memory that may be self-correcting, but only in the limit of infinite energy per mode \cite{arxiv:2205.09767}.
 
+realizations:
+  - 'Superconducting circuit devices: a repetition code out of two-component cat qubits has been realized for distances 3 and 5 \cite{arxiv:2409.13025}.'
+
 
 relations:
   parents: