Q# Blog

Quantum Development

Quantum developer tools for chemistry

March 18, 2021 Mar 18, 2021 03/18/21

Guen Prawiroatmodjo

Quantum computers will be able to reveal the exact quantum nature of chemical systems exponentially faster than classical computers. In this post, we show how to use Microsoft's Q# libraries and developer tools to simulate a caffeine molecule using two quantum algorithms: Quantum Phase Estimation and Variational Quantum Eigensolver.

Inside the Quantum Katas, part 2: testing quantum programs

February 19, 2021 Feb 19, 2021 02/19/21

Mariia Mykhailova

Learn about the common tools and tricks used for testing quantum programs, using the testing harnesses of the Quantum Katas as an example.

Three Years of Q#

December 11, 2020 Dec 11, 2020 12/11/20

Alan Geller

A look back at Q#'s third year, 2020

Emulation in Q#

December 4, 2020 Dec 4, 2020 12/4/20

Mathias Soeken

It can be helpful to implement Q# functions or operations directly in C# - either to access some API that is not directly accessible in Q# or to provide alternative implementations based on the context in which the Q# program is executed. This blog post describes techniques to programmatically replace a Q# function by another one.

Inside the Quantum Katas, part 1

December 2, 2020 Dec 2, 2020 12/2/20

Mariia Mykhailova

Learn about the internal structure of the Quantum Katas - our collection of self-paced programming exercises on quantum computing - and their most important component – the testing harnesses that provide the learner immediate feedback on their solutions.

Q# Advent Calendar 2020

October 27, 2020 Oct 27, 2020 10/27/20

Mariia Mykhailova

Q# Advent Calendar is a blogging event in which every day in December one awesome community member writes a blog post about Q#. We hosted one in 2018 and in 2019; let's do it again!

Celebrating our open source community with Hacktoberfest

October 2, 2020 Oct 2, 2020 10/2/20

Mariia Mykhailova

It is October, and this means it's time for Hacktoberfest - an annual celebration of open source! Meet our newest maintainer and learn how to participate in the Quantum Hacktoberfest.

Introducing Quantum Intermediate Representation (QIR)

September 23, 2020 Sep 23, 2020 09/23/20

Alan Geller

QIR is a new Microsoft-developed intermediate representation for quantum programs. This post describes QIR and provides pointers to the specification and source code.

Build your own Q# simulator – Part 3: A circuit-diagram builder with ⟨q|pic⟩

August 13, 2020 Aug 13, 2020 08/13/20

Mathias Soeken

We implement a custom simulator that generates a quantum circuit diagram in the ⟨q|pic⟩ format from Q# program execution traces.

Build your own Q# simulator – Part 2: Advanced features for the reversible simulator

June 2, 2020 Jun 2, 2020 06/2/20

Mathias Soeken

This post is the second in a series on how to write your own Q# simulators. In this part we describe advanced features to extend the reversible simulator from the first post in the series.

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