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Replace code examples in lab.rst w/ literalincludes
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rscircus committed Mar 27, 2024
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172 changes: 3 additions & 169 deletions doc/source/tutorials/lab.rst
Original file line number Diff line number Diff line change
Expand Up @@ -20,64 +20,7 @@ instrumentation.
The following cell shows how to define a single qubit platform from scratch,
using different Qibolab primitives.

.. testcode:: python

from qibolab import Platform
from qibolab.qubits import Qubit
from qibolab.pulses import PulseType
from qibolab.channels import ChannelMap, Channel
from qibolab.native import NativePulse, SingleQubitNatives
from qibolab.instruments.dummy import DummyInstrument


def create():
# Create a controller instrument
instrument = DummyInstrument("my_instrument", "0.0.0.0:0")

# Create channel objects and assign to them the controller ports
channels = ChannelMap()
channels |= Channel("ch1out", port=instrument["o1"])
channels |= Channel("ch2", port=instrument["o2"])
channels |= Channel("ch1in", port=instrument["i1"])
# create the qubit object
qubit = Qubit(0)

# assign native gates to the qubit
qubit.native_gates = SingleQubitNatives(
RX=NativePulse(
name="RX",
duration=40,
amplitude=0.05,
shape="Gaussian(5)",
pulse_type=PulseType.DRIVE,
qubit=qubit,
frequency=int(4.5e9),
),
MZ=NativePulse(
name="MZ",
duration=1000,
amplitude=0.005,
shape="Rectangular()",
pulse_type=PulseType.READOUT,
qubit=qubit,
frequency=int(7e9),
),
)

# assign channels to the qubit
qubit.readout = channels["ch1out"]
qubit.feedback = channels["ch1in"]
qubit.drive = channels["ch2"]

# create dictionaries of the different objects
qubits = {qubit.name: qubit}
pairs = {} # empty as for single qubit we have no qubit pairs
instruments = {instrument.name: instrument}

# allocate and return Platform object
return Platform("my_platform", qubits, pairs, instruments, resonator_type="3D")

.. literalinclude:: examples/lab0.py

This code creates a platform with a single qubit that is controlled by the
:class:`qibolab.instruments.dummy.DummyInstrument`. In real applications, if
Expand All @@ -96,80 +39,7 @@ that two-qubit gates can be applied. For such connected pairs of qubits one
needs to additionally define :class:`qibolab.qubits.QubitPair` objects, which
hold the parameters of the two-qubit gates.

.. testcode:: python

from qibolab.qubits import Qubit, QubitPair
from qibolab.pulses import PulseType
from qibolab.native import (
NativePulse,
NativeSequence,
SingleQubitNatives,
TwoQubitNatives,
)

# create the qubit objects
qubit0 = Qubit(0)
qubit1 = Qubit(1)

# assign single-qubit native gates to each qubit
qubit0.native_gates = SingleQubitNatives(
RX=NativePulse(
name="RX",
duration=40,
amplitude=0.05,
shape="Gaussian(5)",
pulse_type=PulseType.DRIVE,
qubit=qubit0,
frequency=int(4.7e9),
),
MZ=NativePulse(
name="MZ",
duration=1000,
amplitude=0.005,
shape="Rectangular()",
pulse_type=PulseType.READOUT,
qubit=qubit0,
frequency=int(7e9),
),
)
qubit1.native_gates = SingleQubitNatives(
RX=NativePulse(
name="RX",
duration=40,
amplitude=0.05,
shape="Gaussian(5)",
pulse_type=PulseType.DRIVE,
qubit=qubit1,
frequency=int(5.1e9),
),
MZ=NativePulse(
name="MZ",
duration=1000,
amplitude=0.005,
shape="Rectangular()",
pulse_type=PulseType.READOUT,
qubit=qubit1,
frequency=int(7.5e9),
),
)

# define the pair of qubits
pair = QubitPair(qubit0, qubit1)
pair.native_gates = TwoQubitNatives(
CZ=NativeSequence(
name="CZ",
pulses=[
NativePulse(
name="CZ1",
duration=30,
amplitude=0.005,
shape="Rectangular()",
pulse_type=PulseType.FLUX,
qubit=qubit1,
)
],
)
)
.. literalinclude:: examples/lab1.py

Some architectures may also have coupler qubits that mediate the interactions.
We can also interact with them defining the :class:`qibolab.couplers.Coupler` objects.
Expand All @@ -178,43 +48,7 @@ to the chip topology. We neglected characterization parameters associated to the
coupler but qibolab will take them into account when calling :class:`qibolab.native.TwoQubitNatives`.


.. testcode:: python

from qibolab.couplers import Coupler
from qibolab.qubits import Qubit, QubitPair
from qibolab.pulses import PulseType
from qibolab.native import (
NativePulse,
NativeSequence,
SingleQubitNatives,
TwoQubitNatives,
)

# create the qubit and coupler objects
qubit0 = Qubit(0)
qubit1 = Qubit(1)
coupler_01 = Coupler(0)

# assign single-qubit native gates to each qubit
# Look above example

# define the pair of qubits
pair = QubitPair(qubit0, qubit1, coupler_01)
pair.native_gates = TwoQubitNatives(
CZ=NativeSequence(
name="CZ",
pulses=[
NativePulse(
name="CZ1",
duration=30,
amplitude=0.005,
shape="Rectangular()",
pulse_type=PulseType.FLUX,
qubit=qubit1,
)
],
)
)
.. literalinclude:: examples/lab2.py

The platform automatically creates the connectivity graph of the given chip
using the dictionary of :class:`qibolab.qubits.QubitPair` objects.
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