Add rigetti target cepheus-1-108q (#740)

* Add rigetti target cepheus-1-108q

* Update target in notebooks

Author: rigidit

azure-quantum/azure/quantum/target/rigetti/target.py

@@ -32,6 +32,9 @@ class RigettiTarget(str, Enum):
 
     ANKAA_3 = "rigetti.qpu.ankaa-3"
 
+    CEPHEUS_1_108Q = "rigetti.qpu.cepheus-1-108q"
+    """A multi-chip QPU comprising twelve 9-qubit chips tiled together."""
+
     def simulators() -> List[str]:
         """Returns a list of simulator targets"""
         return [
@@ -41,7 +44,8 @@ def simulators() -> List[str]:
     def qpus() -> List[str]:
         """Returns a list of QPU targets"""
         return [
-            RigettiTarget.ANKAA_3.value
+            RigettiTarget.ANKAA_3.value,
+            RigettiTarget.CEPHEUS_1_108Q.value,
         ]
 
     def num_qubits(target_name) -> int:
@@ -51,6 +55,8 @@ def num_qubits(target_name) -> int:
             return 20
         elif target_name == RigettiTarget.ANKAA_3.value:
             return 84
+        elif target_name == RigettiTarget.CEPHEUS_1_108Q.value:
+            return 108
         else:
             raise ValueError(f"Unknown target {target_name}")
 

samples/hello-world/HW-rigetti-qiskit.ipynb

@@ -132,6 +132,7 @@
         "| --- | --- | --- | --- |\n",
         "| Rigetti QVM (simulator) | `rigetti.sim.qvm` | 20 qubits | Rigetti's cloud-based, [open-source](https://github.com/quil-lang/qvm) \"Quantum Virtual Machine\" simulator. Free to use. |\n",
         "| Ankaa-3 (hardware) | `rigetti.qpu.ankaa-3` |84 qubits | A 4th-generation, square-lattice processor. Pricing based on QPUs. |\n",
+        "| Cepheus-1-108Q (hardware) | `rigetti.qpu.cepheus-1-108q` | 108 qubits | A multi-chip QPU comprising twelve 9-qubit chips tiled together. |\n",
         "\n",
         "For this example, we will use `rigetti.sim.qvm`. To learn more about Rigetti's targets, check out [Rigetti's Azure Quantum documentation](https://learn.microsoft.com/azure/quantum/provider-rigetti)."
       ]
@@ -339,7 +340,7 @@
       },
       "source": [
         "### 5. Next steps\n",
-        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.ANKAA_3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
+        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.CEPHEUS_1_108Q`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
         "\n",
         "To learn more about submitting Qiskit circuits to Azure Quantum, review the Qiskit section of the [Azure Quantum documentation's page on Qiskit jobs](https://learn.microsoft.com/azure/quantum/quickstart-microsoft-qiskit&tabs=tabid-rigetti).\n",
         "\n",

samples/hello-world/HW-rigetti-qsharp.ipynb

@@ -126,6 +126,7 @@
         "| --- | --- | --- | --- |\n",
         "| Rigetti QVM (simulator) | `rigetti.sim.qvm` | 20 qubits | Rigetti's cloud-based, [open-source](https://github.com/quil-lang/qvm) \"Quantum Virtual Machine\" simulator. Free to use. |\n",
         "| Ankaa-3 (hardware) | `rigetti.qpu.ankaa-3` |84 qubits | A 4th-generation, square-lattice processor. Pricing based on QPUs. |\n",
+        "| Cepheus-1-108Q (hardware) | `rigetti.qpu.cepheus-1-108q` | 108 qubits | A multi-chip QPU comprising twelve 9-qubit chips tiled together. |\n",
         "\n",
         "For this example, we will use `rigetti.sim.qvm`. To learn more about Rigetti's targets, check out [Rigetti's Azure Quantum documentation](https://learn.microsoft.com/azure/quantum/provider-rigetti)."
       ]
@@ -170,6 +171,9 @@
       "metadata": {
         "microsoft": {
           "language": "qsharp"
+        },
+        "vscode": {
+          "languageId": "qsharp"
         }
       },
       "outputs": [],
@@ -334,7 +338,7 @@
       },
       "source": [
         "### 5. Next steps\n",
-        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `rigetti.sim.qvm` with `rigetti.qpu.ankaa-3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
+        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `rigetti.sim.qvm` with `rigetti.qpu.cepheus-1-108q`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
         "\n",
         "To learn more about submitting jobs to Azure Quantum using Q#, refer to the [Azure Quantum documentation](https://learn.microsoft.com/azure/quantum/how-to-submit-jobs?pivots=ide-python&tabs=tabid-python).\n",
         "\n",