Publications related to the GRACE Missions (no abstracts)

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Quantification of parasitic etalons in Fabry–Perot cavities and the errors they cause in Pound–Drever–Hall frequency stabilization schemes

Misfeldt, Malte, Rees, Emily Rose, Wade, Andrew, Rabeling, David, and McKenzie, Kirk, 2026. Quantification of parasitic etalons in Fabry–Perot cavities and the errors they cause in Pound–Drever–Hall frequency stabilization schemes. \pra, 114(1):013521, doi:10.1103/c99v-lj3d.

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@ARTICLE{2026PhRvA.114a3521M,
       author = {{Misfeldt}, Malte and {Rees}, Emily Rose and {Wade}, Andrew and {Rabeling}, David and {McKenzie}, Kirk},
        title = "{Quantification of parasitic etalons in Fabry-Perot cavities and the errors they cause in Pound-Drever-Hall frequency stabilization schemes}",
      journal = {\pra},
     keywords = {Photonics, nonlinear optics, and optomechanics},
         year = 2026,
        month = jul,
       volume = {114},
       number = {1},
          eid = {013521},
        pages = {013521},
     abstract = "{The Pound-Drever-Hall (PDH) scheme is a well-known technique for
        stabilizing a laser's frequency to a reference length such as an
        optical cavity. However, if a PDH setup is not carefully
        designed, one might easily create parasitic etalons, which are
        caused by back reflections in the optical path. These etalons
        alter the electric fields being read out and, therefore,
        decrease the PDH performance. In this paper, we describe these
        etalons as the amplitude modulation of the nominal PDH signals
        and identify two different kinds of etalons: internal ones
        formed within a plane-parallel window and free-space etalons
        between two interfaces of different optical components. We
        experimentally probe these two etalons and verify our theory.
        Furthermore, we employ a dual-modulation scheme that is capable
        of measuring the optical cavity's Free Spectral Range and
        discuss the influence of these additional GHz sidebands on the
        etalons. We conduct this study in the framework of future space-
        based interferometric laser ranging instruments in DLR/NASA's
        GRACE-Continuity and ESA's Next-Generation Gravity Mission.}",
          doi = {10.1103/c99v-lj3d},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2026PhRvA.114a3521M},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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