Detection of high-frequency gravitational waves using high-energy pulsed lasers

Abstract

We propose a new method for detecting high-frequency gravitational waves (GWs) using high-energy pulsed lasers. Through the inverse Gertsenshtein effect, the interaction between a GW and the laser beam results in the creation of an electromagnetic signal. The latter can be detected using single-photon counting techniques. We compute the minimal strain of a detectable GW which only depends on the laser parameters. We find that a resonance occurs in this process when the frequency of the GW is twice the frequency of the laser. With this method, the frequency range $10^{13}-10^{19}$ Hz is explored non-continuously for strains $h\gtrsim 10^{-20}$ for current laser systems and can be extended to $h\gtrsim 10^{-26}$ with future generation facilities.

15 pages, 2 figures, v2 matches the published version

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