Decompose Z-rotation for bell corrections into X- and Y-rotations

QuTech-Delft · Feb 17, 2024 · 9043330 · 9043330
1 parent d6b11e7
commit 9043330
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/netqasm/sdk/builder.py b/netqasm/sdk/builder.py
@@ -1371,7 +1371,11 @@ def _build_cmds_epr_keep_corrections_single_pair(
             ):  # Psi- -> apply X-gate and Z-gate
                 correction_cmds = [
                     ICmd(instruction=GenericInstr.ROT_X, operands=[qubit_reg, 16, 4]),
-                    ICmd(instruction=GenericInstr.ROT_Z, operands=[qubit_reg, 16, 4]),
+                    # ICmd(instruction=GenericInstr.ROT_Z, operands=[qubit_reg, 16, 4]),
+                    # Decompose Z180 into Y90, X180, -Y90
+                    ICmd(instruction=GenericInstr.ROT_Y, operands=[qubit_reg, 8, 4]),
+                    ICmd(instruction=GenericInstr.ROT_X, operands=[qubit_reg, 16, 4]),
+                    ICmd(instruction=GenericInstr.ROT_Y, operands=[qubit_reg, 24, 4]),
                 ]
                 self.subrt_add_pending_commands(correction_cmds)  # type: ignore
         else: