Questions tagged [amazon-braket]

For questions related to Amazon's quantum computing service known as Braket.

Filter by
Sorted by
Tagged with
2 votes
2 answers
263 views

How to get QASM code from an Amazon Braket circuit in Python?

As an example, consider the following Circuit defined by using the Python amazon-braket-sdk: ...
SimoneGasperini's user avatar
1 vote
1 answer
106 views

Resolving AWS-Braket - ValidationException: An error occurred (ValidationException) when calling the CreateQuantumTask operation

I have a quantum circuit for the Markovian Reservoir Engineering[MRE] Model, written in cirq (frontend) and trying to run it on Ionq hardware, using qbraid credits. This is all being done on qbraid ...
Jessica John Britto's user avatar
0 votes
2 answers
51 views

How is Sample Result Type different from Probability Result Type in Amazon Braket?

Sample result type is changing my measurement_counts but its not happening with Probability result type. Why is this happening ? Does Sample result type changes something in the circuit itself ?
seeker's user avatar
  • 35
1 vote
1 answer
78 views

CreateQuantumTask operation: This account is not authorized to use this resource

I have an AWS account with some credits on it. I enabled the following policies: AmazonBraketFullAccess, AmazonBraketJobsExecutionPolicy, AmazonS3FullAccess but I am still getting the following ...
Micheal's user avatar
  • 11
0 votes
1 answer
27 views

retrieve gate errors from rigetti devices via braket

Is it possible to retrieve gate fidelities, T1 and T2 times, etc. from old jobs in a rigetti device via braket and the amazon api?
user2820579's user avatar
3 votes
1 answer
118 views

Classical register implementation in Amazon Braket

How to implement classical register in a quantum circuit in Amazon Braket ? I am trying to preproduce results of a circuit build in qiskit on AWS braket services. Thanks
seeker's user avatar
  • 35
3 votes
2 answers
173 views

How to transform a qiskit quantum circuit to a braket circuit?

I have a quantum circuit in qiskit. Now I want to know is there any way that I can transform it to a braket circuit in AWS? I want to use error mitigation in AWS. I have the circuit in qiskit. But as ...
INDRANIL MAITI's user avatar
2 votes
1 answer
91 views

AWS braket compiler simulation

Is there a way to see the compiled circuit on Braket (Rigetti,IonQ,Oxford) without actually sending the circuit to the QPU? I would like to analyze how the circuit is compiled before sending it for ...
Rui_Libero's user avatar
2 votes
1 answer
115 views

Computing gradients in parallel with cost from probs (Pennylane-Braket)

Do circuits that measure probabilities instead of expectation values benefit from parallel execution? The Computing gradients in parallel with Amazon Braket tutorial shows how the multiple device ...
ryanhill1's user avatar
  • 2,403
1 vote
1 answer
122 views

How to apply mid-circuit measurement and measurement based conditional operations in `amazon-braket`?

Is there any method to apply mid circuit measurements in amazon-braket? I'm implementing a circuit that has few operations conditioned to measurement. In ...
Devesh's user avatar
  • 53
1 vote
1 answer
90 views

Is there any alternative for `qiskit.initialize` in aws braket for running circuit on `Ionq Device`?

I'm trying to run a quantum circuit created in Qiskit, on Ionq Device using qiskit_braket_provider. Getting some error while transpiling the circuit because circuit ...
Devesh's user avatar
  • 53
3 votes
1 answer
119 views

How to extract per shots measurement result from ionq device using qiskit_braket_provider?

I'm running a circuit on ionq device using qiskit_braket_provider. I want to extract per shot measurement results. While running ...
Devesh's user avatar
  • 53
2 votes
1 answer
154 views

Partial Measurement in AWS Braket

Is there a way to do partial Measurement in AWS Braket? Basically, if I have a circuit with $N$ qubits, can I measure only $n$ qubits out of them with the result type "expectation"?
Jay Shah's user avatar
3 votes
2 answers
134 views

Is there a way to get the controlled version of a AWS Braket Unitary?

In qiskit we can simply define a custom unitary $U$ and get its controlled version $C-U$ with the method .control(). So, is there a way to do the same in AWS Braket?...
Jay Shah's user avatar
3 votes
1 answer
160 views

I would like to use Open QASM 3 what if any backends can I use to?

From my limited understanding Azure Quantum and IBM Qiskit backends do not support OpenQASM 3. However, Amazon Braket does support a subset of Open QASM 3 (proof). What is the best way/backend to test ...
EXA_Q's user avatar
  • 31
0 votes
2 answers
128 views

AWS braket python sdk: user is not authorized to perform on quantum device

I have installed boto3, aws cli, and python-braket-sdk. I have run aws configure, and config with my IAM user. My IAM user isn't root user, but it has ...
voxter's user avatar
  • 111
2 votes
1 answer
186 views

How to convert between little/big-endian unitary forms in Braket?

As noted in this post, the Amazon Braket unitary calculation method as_unitary has been deprecated (#325) as it uses little-endian qubit order. The new, big-endian method is to_unitary. Here's a code ...
ryanhill1's user avatar
  • 2,403
3 votes
1 answer
242 views

Qiskit unable to transpile the circuit for Rigetti Aspen M 1 on AWS

I am trying to run a Qiskit QAOA algorithm on AWS Rigetti Aspen M 1 Backend using qiskit braket provider. However qiskit is not able to properly transpile the circuit ...
3.14159's user avatar
  • 31
3 votes
1 answer
111 views

AWS-Rigetti for beginners

I'm interested in learning AWS Braket. Can someone help with basics like creating a circuit and sending a job to the hardware and at the same time how to automatically download the calibration data ...
Monica's user avatar
  • 301
3 votes
1 answer
191 views

How to Properly Cite Amazon Braket?

This is a fairly basic question, but how does one cite Braket in BibTeX style? A similar question was asked for Cirq in How to cite cirq in a scientific article? but I am unable to find a similar page ...
Ken Robbins's user avatar
2 votes
1 answer
136 views

Download results in amazon braket

Suppose I have the simple circuit bell = Circuit().h(0).cnot(control=0, target=1) and I am running it in a notebook inside AWS. How can I download the results to ...
user2820579's user avatar
5 votes
2 answers
120 views

How to get IonQ Task's Native Instructions/Decomposition (Amazon Braket)

When you run something on one of IBM's free computers, you can look up what it actually ran; i.e. it gives you the decomposition of the circuit you told it to run. When running on IonQ with Amazon's ...
Ken Robbins's user avatar
2 votes
1 answer
51 views

Applying QPE on a large matrix on amazon-braket

I'm running a QPE algorithm on the amazon-braket but it can only apply on a 22 or 44 matrix, when I want to expand it into a 5*5 or more, it will come an error. As I know, there is no theoretical ...
Monday Zhou's user avatar
4 votes
1 answer
174 views

Expected value of Z operator in GHZ state

I'm following this notebook written using amazon-braket, and there's a statement I don't understand ... To reiterate, the following output is expected: $$\left|\mathrm{GHZ}\right> = \frac{1}{\sqrt{...
caverac's user avatar
  • 143
1 vote
1 answer
491 views

Is there a quantum circuit builder package that allows you to import/export a circuit as a JSON?

I've done a superficial search in each of the qiskit, cirq, and braket open source repositories for such a feature, but can't find any explicit examples of this functionality. I'm wondering if anyone ...
Jay Muntz's user avatar
  • 147
11 votes
2 answers
444 views

AWS Braket Backend for Qiskit?

Is there a working AWS Braket backend provider for Qiskit 0.29 that can be used with the MinimumEigenOptimizer interface? The qiskit-aws-braket-provider package is unfortunately not working.
Nepomuk Hirsch's user avatar
3 votes
2 answers
215 views

How to get the matrix representation of a circuit in Amazon braket?

Say I define a circuit using the amazon-braket-sdk, for example: ...
Jay Muntz's user avatar
  • 147