University of Birmingham > Talks@bham > Astrophysics Seminars > Interferometry beyond the Quantum Limit: Squeezed Vacuum, Stiff Photons and Other Ways to Trick Heisenberg

Interferometry beyond the Quantum Limit: Squeezed Vacuum, Stiff Photons and Other Ways to Trick Heisenberg

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  • UserStefan Hild (Glasgow)
  • ClockWednesday 13 February 2013, 14:00-15:00
  • HouseNuffield G17.

If you have a question about this talk, please contact Ilya Mandel.

The second generation of laser-interferometric gravitational wave (GW) detectors currently under construction will reach a sensitivity close to the Standard Quantum Limit, which is the equivalent of the Heisenberg Uncertainty Principle. In this seminar I will give an introduction to quantum noise and discuss various techniques that might enable us to beat the Heisenberg Limit: What is squeezed light? How can you make photons stiffer than diamond and why does that help you to detect GW? Can you use a Sagnac speedmeter to trick Heisenberg? Is the Michelson interferometer still the best configuration for third generation GW detectors such as ET and LIGO -3?

This talk is part of the Astrophysics Seminars series.

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