Entangled Code

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Bell inequality (1)

CHSH (1)

GHZ (1)

GHZ states (1)

MBQC (6)

Mermin inequality (1)

Perceval (2)

QPL 2026 (1)

QRL (12)

Quandela (2)

Zenodo (1)

adaptive corrections (1)

causal models (1)

cloud (1)

compiler (1)

entanglement (3)

graphix (2)

hardware (1)

measurement patterns (1)

metrology (1)

molecular physics (1)

open science (1)

photonic QC (2)

physics (3)

programming languages (1)

publishing (1)

quantum AI (1)

quantum chemistry (1)

quantum computing (13)

quantum foundations (3)

quantum sensing (1)

quantum teleportation (1)

research (2)

teleportation (1)

tensor networks (1)

theory (1)

tutorial (1)

Beating the Standard Quantum Limit

quantum computing

QRL

quantum sensing

metrology

entanglement

The SQL and Heisenberg limit are not engineering targets — they are theorems about entanglement. Here is why GHZ states saturate the Heisenberg limit, and what quantum Fisher information actually measures.

A Covalent Bond Is a Quantum Relation

quantum computing

QRL

quantum chemistry

entanglement

molecular physics

Quantum chemistry has a concept called correlation energy — the part of the molecular energy that Hartree-Fock gets wrong. It turns out this is exactly orbital entanglement. Not an analogy. The same thing.

QRL Was Already Doing Quantum Causal Reasoning (It Just Didn’t Know It)

quantum computing

QRL

quantum foundations

causal models

MBQC

quantum AI

QRL was designed to describe correlations rather than prescribe operations. It turns out this is structurally identical to a well-developed theory in quantum foundations — and the implications go further than I expected.

Quantum Correlations Without Gates: Verifying Bell and GHZ in QRL

quantum computing

QRL

Bell inequality

CHSH

GHZ

Mermin inequality

quantum foundations

QPL 2026

Can a relational formalism naturally express the correlations that matter for entanglement verification? QRL’s physics layer implements CHSH and Mermin tests by describing relations, not building circuits.

Stage 4: QRL Runs on Photonic Cloud

quantum computing

QRL

photonic QC

MBQC

Perceval

graphix

Quandela

cloud

QRL programs now run on Quandela Cloud. Built a direct path-encoded converter to bypass the polarization/path encoding mismatch. Bell state verified on sim:belenos.

Stage 3: Adaptive Corrections and Teleportation

quantum computing

QRL

MBQC

teleportation

adaptive corrections

QRL now tracks measurement outcomes and applies Pauli corrections automatically. Stage 3 completes the MBQC compiler with working quantum teleportation.

Published on Zenodo + Renamed to QRL

quantum computing

QRL

publishing

open science

Zenodo

Two major updates: The project is now officially published on Zenodo with DOI 10.5281/zenodo.18292199, and we’ve renamed from QPL to QRL (Quantum Relational Language) to avoid confusion with existing academic work.

QRL Meets Photonics: The First Relations-Based Compiler for Photonic Quantum Computers

quantum computing

QRL

photonic QC

MBQC

Quandela

Perceval

graphix

hardware

Photonic quantum computers are MBQC-native. QRL’s relations-first approach compiles directly to photonic circuits, bypassing gate decomposition entirely. This changes everything.

Stage 2 Complete: QRL Now Compiles to MBQC Patterns

quantum computing

QRL

MBQC

quantum teleportation

compiler

measurement patterns

The MBQC compiler is working! QRL now extracts graph states, generates measurement patterns, and performs quantum teleportation with adaptive corrections. Here’s what changed and why it matters.

Why QRL is Adopting Measurement-Based Quantum Computing

quantum computing

QRL

MBQC

research

quantum foundations

Gates are not how quantum mechanics works. QRL is adopting Measurement-Based Quantum Computing (MBQC) as its compilation target—not because it’s easier, but because it’s what the physics actually says. Here’s the theory, the motivation, and the research program ahead.

Stage 1: Scaling Relations-First Quantum Programming to n Qubits

quantum computing

QRL

physics

GHZ states

entanglement

tensor networks

Stage Zero proved relations-first quantum programming works for 2 qubits. Stage 1 scales to arbitrary n-qubit systems with GHZ states, W states, and proper tensor algebra. Here’s what changed and why it matters.

Stage Zero: Programming Quantum Reality Through Relations, Not Gates

quantum computing

QRL

physics

programming languages

research

Most quantum frameworks force you to think in gates. QRL Stage Zero proves you can build from entanglement instead. Here’s why relations-first quantum programming might unlock something bigger.

Quantum Computing Foundations: The Theory Behind QRL

quantum computing

theory

physics

tutorial

A comprehensive guide to the quantum mechanics you need to understand relations-first quantum programming. From superposition to entanglement entropy.