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Quantum optics

Squeezing more out of LIGO

Further sensitivity improvements are required before advanced optical interferometers will be able to measure gravitational waves. A team has now shown that introducing quantum squeezing of light may help to detect these elusive waves.

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Figure 1
Figure 2: Schematic of a Michelson interferometer with injected squeezed light.


  1. Aasi, J. et al. Nature Photon. 7, 613–619 (2013).

    Article  ADS  Google Scholar 

  2. Harris, G. I., Andersen, U. L., Knittel, J. & Bowen W. P. Phys. Rev. A 85, 061802 (2012).

    Article  ADS  Google Scholar 

  3. Caves, C. M. Phys. Rev. D 23, 1693–1708 (1981).

    Article  ADS  Google Scholar 

  4. McKenzie, K., Shaddock, D. A., McClelland, D. E., Buchler, B. C. & Lam, P. K. Phys. Rev. Lett. 88, 231102 (2002).

    Article  ADS  Google Scholar 

  5. Goda, K. et al. Nature Phys. 4, 472–476 (2008).

    Article  ADS  Google Scholar 

  6. Abadie, J. et al. Nature Phys. 7, 962–965 (2011).

    Article  ADS  Google Scholar 

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Correspondence to Ulrik L. Andersen.

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Andersen, U. Squeezing more out of LIGO. Nature Photon 7, 589–590 (2013).

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