doc: Add comment about global phase difference

qiboteam · Feb 20, 2024 · 16e375d · 16e375d
1 parent eed9857
commit 16e375d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/qibolab/compilers/default.py b/src/qibolab/compilers/default.py
@@ -40,6 +40,10 @@ def gpi_rule(gate, platform):
     qubit = gate.target_qubits[0]
     theta = gate.parameters[0]
     sequence = PulseSequence()
+    # the following definition has a global phase difference compare to
+    # to the matrix representation. See
+    # https://github.com/qiboteam/qibolab/pull/804#pullrequestreview-1890205509
+    # for more detail.
     pulse = platform.create_RX_pulse(qubit, start=0, relative_phase=theta)
     sequence.add(pulse)
     return sequence, {}