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@ddhawan11 ddhawan11 commented Jan 20, 2026

Title:
Resource Estimation for Spectroscopy

Summary:
This demo showcases the resource estimation functionality in PennyLane by exploring different
spectroscopy algorithms

Relevant references:

Possible Drawbacks:

Related GitHub Issues:

  • GOALS — Why are we working on this now?
    To promote PennyLane Estimator module

  • AUDIENCE — Who is this for?
    Chemistry Researchers

  • KEYWORDS — What words should be included in the marketing post?
    Resource Estimation, Spectroscopy, XAS, Photosensitizers

  • Which of the following types of documentation is most similar to your file?
    (more details here)

  • Tutorial
  • Demo
  • How-to

JerryChen97 and others added 30 commits October 21, 2025 13:27
**Title:**

**Summary:**
We deprecated the `argnum` kwarg; instead, should be `argnums`

**Relevant references:**

**Possible Drawbacks:**

**Related GitHub Issues:**
Relocation of these resource tools to estimator module.

---------

Co-authored-by: Paul Finlay <[email protected]>
Co-authored-by: Jay Soni <[email protected]>
…v handling (#1584)

PL is dropping support for numpy 1.X, qml should follow.

Tested against all demos here:
https://github.com/PennyLaneAI/qml/actions/runs/18913267652/job/54010652909

[sc-101547]
Automatic nightly merge of master into dev
[failed](https://github.com/PennyLaneAI/qml/actions/runs/19826906204/job/56802544082).
This PR resolves the conflict.

---------

Co-authored-by: Catalina Albornoz <[email protected]>
Co-authored-by: Diksha Dhawan <[email protected]>
Co-authored-by: soranjh <[email protected]>
Co-authored-by: Soran Jahangiri <[email protected]>
Co-authored-by: agran2018 <[email protected]>
Co-authored-by: ixfoduap <[email protected]>
Co-authored-by: Josh Izaac <[email protected]>
Co-authored-by: Daniela Angulo <[email protected]>
Co-authored-by: Diksha Dhawan <[email protected]>
Co-authored-by: josephbowles <[email protected]>
Co-authored-by: Vasilis Belis <[email protected]>
**Title:**

**Summary:**
Now that `qml.map_wires` is a transform, the first argument is
positional. Update `map_wires(input=...)` to `map_wires(...)`

**Relevant references:**

**Possible Drawbacks:**

**Related GitHub Issues:**
ddhawan11 and others added 16 commits January 29, 2026 11:42
},
{
"type": "demonstration",
"id": "tutorial_howto_re",
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Similarly, let's add this demo to the relatedContent in the metadata files belonging to the How-to demo and the QPE demo. Cross-linking them all will prove helpful!

# we must select an implementation strategy for the rotation gates, as this choice heavily influences
# the final resource overhead.
#
# PennyLane's default compiler synthesizes rotation gates using **Repeat-Until-Success circuits [#Alex2014],
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This reference doesn't seem to be working

@ddhawan11 ddhawan11 changed the base branch from dev to master February 2, 2026 16:03
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