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Fix #5497: update IonQ docs to remove decompose_operation #7198

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Merged
merged 3 commits into from
Mar 31, 2025
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Fix #5497: update IonQ docs to remove decompose_operation #7198

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4fbec1e
Fix #5497
mhucka Mar 28, 2025
eafdd9a
Merge branch 'main' into fix-5497
mhucka Mar 28, 2025
fe19efb
Fix example of circuit transformation for IonQ-native gates
pavoljuhas Mar 31, 2025
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18 changes: 9 additions & 9 deletions docs/hardware/ionq/circuits.md
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Original file line number Diff line number Diff line change
Expand Up @@ -96,17 +96,18 @@ these gates are one or two qubit gates which support the `unitary` protocol
for the gate), there is support for compiling these into API supported gates.
This conversion may not be optimal, but it does produce a valid API circuit.

This support is given by the `cirq_ionq.IonQAPIDevice` and its
`decompose_operation` method. On way to use this is to pass the device
to a circuit, and these decompositions will be automatically applied while
the circuit is being constructed:
This support is provided by the `cirq.optimize_for_target_gateset` transformer
and the `cirq_ionq.IonQTargetGateset`, which specifies the IonQ native gates,
for example:

```python
q0 = cirq.LineQubit(0)
device = ionq.IonQAPIDevice([q0])
circuit = cirq.Circuit(device=device)
circuit.append(cirq.H(q0)**0.2) # Non-API gate
print(circuit)
circuit = cirq.Circuit(cirq.H(q0)**0.2) # Non-API gate
circuit_for_ionq = cirq.optimize_for_target_gateset(
circuit,
gateset=ionq.IonQTargetGateset(),
)
print(circuit_for_ionq)
```
which produces
```
Expand All @@ -121,4 +122,3 @@ circuit.
[How to use the service API](jobs.md)

[Get information about QPUs from IonQ calibrations](calibrations.md)