8×10-17 fractional laser frequency instability with a long room-temperature cavity

Sebastian Häfner; Stephan Falke; Christian Grebing; Stefan Vogt; Thomas Legero; Mikko Merimaa; Christian Lisdat; Uwe Sterr

doi:10.1364/OL.40.002112

8×10^-17 fractional laser frequency instability with a long room-temperature cavity

Sebastian Häfner, Stephan Falke, Christian Grebing, Stefan Vogt, Thomas Legero, Mikko Merimaa, Christian Lisdat, Uwe Sterr

BA17 National metrology institute VTT MIKES

Research output: Contribution to journal › Article

117 Citations (Scopus)

Abstract

We present a laser system based on a 48 cm long optical glass resonator. The large size requires a sophisticated thermal control and optimized mounting design. A self-balancing mounting was essential to reliably reach sensitivities to acceleration of below Δν/ν < 2 × 10^-10/g in all directions. Furthermore, fiber noise cancellations from a common reference point near the laser diode to the cavity mirror and to additional user points (Sr clock and frequency comb) are implemented. Through comparison with other cavity-stabilized lasers and with a strontium lattice clock, instability of below 1 × 10^-16 at averaging times from 1 to 1000 s is revealed.

Original language	English
Pages (from-to)	2112-2115
Number of pages	4
Journal	Optics Letters
Volume	40
Issue number	9
DOIs	https://doi.org/10.1364/OL.40.002112
Publication status	Published - 1 Jan 2015
MoE publication type	A1 Journal article-refereed

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Häfner, S., Falke, S., Grebing, C., Vogt, S., Legero, T., Merimaa, M., Lisdat, C., & Sterr, U. (2015). 8×10^-17 fractional laser frequency instability with a long room-temperature cavity. Optics Letters, 40(9), 2112-2115. https://doi.org/10.1364/OL.40.002112

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AU - Legero, Thomas

AU - Merimaa, Mikko

AU - Lisdat, Christian

AU - Sterr, Uwe

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10.1364/OL.40.002112