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Updated: Aug 9, 2025
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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Classical Modelling of a Bosonic Sampler with Photon Collisions.
Mikhail Umanskii1, Alexey N Rubtsov1
1Russian Quantum Center, Skolkovo, Moscow 143025, Russia.
Entropy (Basel, Switzerland)
|February 25, 2023
Summary
We developed a classical algorithm to simulate boson sampling, excelling in scenarios with frequent photon collisions. This method accurately predicts photon distributions in complex interferometers, outperforming existing algorithms.
Area of Science:
- Quantum optics
- Computational physics
- Quantum information science
Background:
- The boson sampling problem traditionally assumes minimal photon collisions.
- Modern experiments often involve high photon numbers (M) relative to detectors (N), leading to frequent collisions.
- Simulating these collision-heavy scenarios is crucial for understanding quantum systems.
Purpose of the Study:
- To present a novel classical algorithm for simulating boson sampling.
- To accurately calculate photon distribution probabilities at interferometer outputs.
- To address the limitations of previous models in high-collision regimes.
Main Methods:
- Developed a classical simulation algorithm for bosonic samplers.
- Calculated output photon distributions based on input configurations.
- Focused on scenarios with a high ratio of photons to detectors (M ≈ N).
Main Results:
- The algorithm effectively simulates boson sampling with multiple photon collisions.
- It accurately predicts the probability of specific photon distributions.
- Demonstrated superior performance compared to existing algorithms in collision-intensive cases.
Conclusions:
- The new classical algorithm provides an efficient method for simulating boson sampling.
- It is particularly effective for experimental setups with significant photon collisions.
- Advances quantum simulation capabilities for complex optical systems.
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