diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60063f57..7831b436 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@
 - Channel offsets (e.g. `SingleChannel.opx_output_offset`) is None by default (see note in Fixed)
 - Move `quam.components.superconducting_qubits` to `quam.examples.superconducting_qubits`
 - Replaced `InOutIQChannel.measure` kwargs `I_var` and `Q_var` by `qua_vars` tuple
+- `Pulse.id` is now an instance variable instead of a class variable
 
 ### Fixed
 - Don't raise instantiation error when required_type is not a class
diff --git a/quam/components/channels.py b/quam/components/channels.py
index bed48209..617bb099 100644
--- a/quam/components/channels.py
+++ b/quam/components/channels.py
@@ -17,9 +17,16 @@
     fixed,
     demod,
     dual_demod,
+    frame_rotation,
+)
+from qm.qua._dsl import (
+    _PulseAmp,
+    AmpValuesType,
+    QuaNumberType,
+    QuaExpressionType,
+    ChirpType,
+    StreamType,
 )
-from qm.qua._type_hinting import *
-from qm.qua._dsl import _PulseAmp
 
 
 __all__ = [
@@ -273,6 +280,33 @@ def align(self, *other_elements):
             ]
             align(self.name, *other_elements_str)
 
+    def frame_rotation(self, angle: QuaNumberType):
+        r"""Shift the phase of the channel element's oscillator by the given angle.
+
+        This is typically used for virtual z-rotations.
+
+        Note:
+            The fixed point format of QUA variables of type fixed is 4.28, meaning the
+            phase must be between $-8$ and $8-2^{28}$. Otherwise the phase value will be
+            invalid. It is therefore better to use `frame_rotation_2pi()` which avoids
+            this issue.
+
+        Note:
+            The phase is accumulated with a resolution of 16 bit.
+            Therefore, *N* changes to the phase can result in a phase (and amplitude)
+            inaccuracy of about :math:`N \cdot 2^{-16}`. To null out this accumulated
+            error, it is recommended to use `reset_frame(el)` from time to time.
+
+        Args:
+            angle (Union[float, QUA variable of type fixed]): The angle to
+                add to the current phase (in radians)
+            *elements (str): a single element whose oscillator's phase will
+                be shifted. multiple elements can be given, in which case
+                all of their oscillators' phases will be shifted
+
+        """
+        frame_rotation(angle, self.name)
+
     def _config_add_controller(
         self, config: Dict[str, dict], controller_name: str
     ) -> Dict[str, dict]:
diff --git a/quam/components/octave.py b/quam/components/octave.py
index f8be6b10..af0cefd1 100644
--- a/quam/components/octave.py
+++ b/quam/components/octave.py
@@ -6,8 +6,8 @@
 from quam.components.hardware import FrequencyConverter
 from quam.components.channels import InOutIQChannel
 
-from qm.QuantumMachinesManager import QuantumMachinesManager
-from qm.QuantumMachine import QuantumMachine
+from qm import QuantumMachinesManager
+from qm import QuantumMachine
 from qm.octave.qm_octave import QmOctave
 
 from octave_sdk import RFInputLOSource
diff --git a/quam/components/pulses.py b/quam/components/pulses.py
index 4d5eb5c5..2a32f702 100644
--- a/quam/components/pulses.py
+++ b/quam/components/pulses.py
@@ -52,10 +52,9 @@ class Pulse(QuamComponent):
         The digital marker label is defined as `"{channel_name}.{pulse_name}.dm"`.
 
     """
-
-    id: ClassVar[str] = None
     operation: ClassVar[str] = "control"
     length: int
+    id: str = None
 
     digital_marker: Union[str, List[Tuple[int, int]]] = None
 
diff --git a/tests/components/pulses/test_pulses.py b/tests/components/pulses/test_pulses.py
index 50712d4f..eb86dd74 100644
--- a/tests/components/pulses/test_pulses.py
+++ b/tests/components/pulses/test_pulses.py
@@ -14,6 +14,7 @@ def test_drag_pulse():
     assert drag_pulse.operation == "control"
     assert drag_pulse.length == 20
     assert drag_pulse.get_attrs() == {
+        "id": None,
         "length": 20,
         "axis_angle": 0.0,
         "digital_marker": None,