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Quantenkoffer®

Pack your suitcase for the future

  • A quantum physics science kit for a multitude of experiments with single photons and entangled photon pairs. Experience and grasp 100 years of quantum physics!
  • Overview
  • Key Features
  • Experiments
  • Optical Tokens
  • Videos
  • Links
The Quantenkoffer is a portable and user-friendly quantum photonics laboratory for a multitude of experiments from 100 years of quantum physics.

The key feature is its flexibility with regard to generation and detection of visible laser light, single photons and even entangled pairs. Its optical elements, mechanical components and digital circuits are integrated in order to cover a range of experiments and topics of quantum physics as wide as possible.

For further informations at quantenkoffer.com.

Key Features

Source for single photons and entangled photon pairs
Motorized adjustment
Single photon detectors
Picosecond time resolution
Variety of optical tokens
Intuitive operation
Mobile, robust and safe

For further informations at quantenkoffer.com.

Experiments

The Quantenkoffer and its modular design offer different approaches. You can choose to follow ideas and well-known experiments from 100 years of quantum physics, or you can use its intuitive software and design experiments from scratch.

Here is a list of the prepared experiments you can performe.

Single Photon Experiments without Interference
Particle Nature of Photons
Quantum Cryptography/QKD: BB84 Protocol
Tomographic Single Photon State Reconstruction
Quantum Zeno Effect
Quantum Random Number Generation
Single Photon Experiments with Interference
Wave Nature of Photons: Single Photon Michelson Interferometer
Quantum Eraser
Wave-Particle Dualism: Michelson + HBT
Double Michelson Interferometer
Visible (White) Light Interference (Observable by Eye)
Measurement of the Central Wavelength of Single Photons
Measurement of Coherence Length of Single Photons
Interaction-Free Measurement (Bomb Test)
Photon Pair Experiments with Polarisation Entanglement
Violation of Bell’s Inequality (CHSH)
“Non-Classical” Polarisation Correlations
Tomographic State Reconstruction of an Entangled Photon State
Quantum Cryptography/QKD: BBM Protocol
Quantum Cryptography: Ekert Protocol
Photon Pair Experiments without Polarisation Entanglement
Hong-Ou-Mandel 2-Photon Interference
Hong-Ou-Mandel Interference + Hanbury Brown & Twiss
Franson Interference

These are the experiments we have come up with so far and found interesting enough to put them here. Do you have more ideas? Please let us know!

For further informations at quantenkoffer.com.

Optical Tokens

Several optical tokens can be freely placed on the board and combined into various experiments. In addition to optical elements, the tokens contain sensors and microprocessors through which the Quantenkoffer can recognize, readout and digitally control them.

Periscope
Polarizer
Mirror 45°
Beam Splitter
Mirror 90°
Waveplate
Glass Wedge
Double Slit
Camera
Fiber Coupler
Tunnel Effect

For further informations at quantenkoffer.com.

Videos

Downloads

Quantenkoffer brochure 10/2021 1.7 MB pdf

Web

Spontaneous parametric down-conversion 05/2021 animation
Hector Fellow Academy – Symposium 2018 2.2 MB pdf
Was Nobelpreisträger von einem Ravensburger Physiklehrer lernen können

For further informations at quantenkoffer.com.