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QUBITWIRE 100 · 2026 SELECTION

Pete Shadbolt

Co-Founder and Chief Scientific Officer

PsiQuantum

PsiQuantumPsiQuantum
Identification checked 2026-09-19
QUBITWIRE 1002026 selectionPermanent record

Recognized for

Connecting collaborative photonic experiments and quantum algorithms with industrial system design, from a variational molecular-energy demonstration to scientific leadership of PsiQuantum’s effort to develop large-scale computers using photonic technology.

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QubitWire 100, 2026 selection card for Pete Shadbolt. For connecting collaborative photonic experiments and quantum algorithms with industrial system design, from a variational molecular-energy demonstration to scientific leadership of PsiQuantum’s effort to develop large-scale computers using photonic technology.

Pete Shadbolt
Selected for the QubitWire 100, 2026.
For connecting collaborative photonic experiments and quantum algorithms with industrial system design, from a variational molecular-energy demonstration to scientific leadership of PsiQuantum’s effort to develop large-scale computers using photonic technology.
https://qubitwire.com/people/2026#pete-shadbolt

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WHY INCLUDED

Connects photonic experiments and quantum algorithms with industrial system design, from a variational molecular-energy demonstration to scientific leadership of PsiQuantum’s photonic computing program.

arXiv / Nature CommunicationsPsiQuantumPsiQuantum

Shadbolt’s work spans two scales of photonic quantum computing. As a researcher, he co-authored a small quantum–classical experiment for estimating molecular energy. As a PsiQuantum co-founder and scientific leader, he works on the system-level challenge of building a useful photonic computer. That combination makes his contribution distinctive: algorithm experiments test how quantum hardware might be used, while architecture and manufacturing work address how such hardware might grow. The experimental result and the company’s larger ambitions remain separate claims.

PsiQuantumPsiQuantumarXiv / Nature Communications

The work behind the recognition

Work, in context
  1. 2014

    A variational molecular-energy experiment

    Shadbolt co-authored a photonic demonstration that combined quantum measurements with classical optimization to estimate the ground-state energy of the helium hydride ion. It supplied an experimental example of the variational quantum eigensolver approach.

    Co-author of the Peruzzo et al. hybrid photonic experiment.

    Source-supported recordarXiv / Nature Communications
  2. Year not documented

    Scientific co-founding of PsiQuantum

    As a co-founder and Chief Scientific Officer, Shadbolt contributes to PsiQuantum’s effort to develop quantum computers using silicon photonics. The company identifies him as a scientific leader of its photonic technology and systems program.

    Co-founder and scientific leader, according to PsiQuantum’s account of his responsibilities.

    Company-reportedPsiQuantumPsiQuantum

Keep in perspective

Company strategy is not evidence of a completed large-scale computer. A personal current work-base country was not established.

FOLLOW THE RECORD

The evidence map

Both views link each contribution to its sources. Choose a contribution on the map or read them all in the list.

Pete Shadbolt
Contributed to
Supported by

A variational molecular-energy experiment

Credit & limits: Co-author of the Peruzzo et al. hybrid photonic experiment.

Read the full contribution
Contributions and their source records
ContributionEvidence & what it supportsCredit & limits
A variational molecular-energy experiment2014
Primary paperA variational eigenvalue solver on a quantum processor

Peter Shadbolt co-authorship and photonic hybrid estimation of molecular ground-state energy; journal publication in 2014.

Published 10 Apr 2013 · Checked 19 Sept 2026
Co-author of the Peruzzo et al. hybrid photonic experiment.
Scientific co-founding of PsiQuantumDate not documented
Institutional recordProf. Pete Shadbolt

Current co-founder and Chief Scientific Officer identification and research background.

Checked 19 Sept 2026
Institutional recordAbout PsiQuantum

Current leadership and the company’s silicon-photonics computing approach.

Checked 19 Sept 2026
Co-founder and scientific leader, according to PsiQuantum’s account of his responsibilities.

Follow the evidence

3 sources

Primary papers, institutional records and attributed announcements. Each source supports the claims linked above.

  • PsiQuantumInstitutional record

    Prof. Pete Shadbolt

    Current co-founder and Chief Scientific Officer identification and research background.

    Checked 19 Sept 2026
  • PsiQuantumInstitutional record

    About PsiQuantum

    Current leadership and the company’s silicon-photonics computing approach.

    Checked 19 Sept 2026
  • arXiv / Nature CommunicationsPrimary paper

    A variational eigenvalue solver on a quantum processor

    Peter Shadbolt co-authorship and photonic hybrid estimation of molecular ground-state energy; journal publication in 2014.

    Published 10 Apr 2013 · Checked 19 Sept 2026
QubitWire editorial · Content edition 2026-09-19.1Independent coverage. Inclusion does not imply endorsement.