phase estimation

0 courses · 2 tutorials

Free Tutorials

- intermediate
- 30 min
The Quantum Fourier Transform: How and Why It Works

A step-by-step explanation of the quantum Fourier transform: the circuit construction, why it is exponentially faster than the classical FFT, and its role in phase estimation and Shor's algorithm.
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- intermediate
- 18 min read
Quantum Fourier Transform in Cirq

Build the Quantum Fourier Transform from scratch in Cirq using controlled phase rotations and verify it against the classical DFT matrix.
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