Shifts of optical frequency references based on spectral-hole burning in Eu:Y2SiO5

Abstract

Several properties of Eu:Y2SiO5 spectral holes are measured, to assess the suitability of broad-band hole-patterns for use as laser-frequency references. We measure frequency shifts due to magnetic fields, side-features of neighboring spectral holes, and changing optical probe power. A precise calibration of a temperature insensitive point is also performed, where the temperature-induced frequency shift is canceled to first order by the pressure-induced shift from the crystal's helium-gas environment.

12 pages, 6 figures

References in corpus (7)

• Generation of Ultrastable Microwaves via Optical Frequency Division
• A sub-40 mHz linewidth laser based on a silicon single-crystal optical cavity
• Making optical atomic clocks more stable with $10^{-16}$ level laser stabilization
• New Limits on Coupling of Fundamental Constants to Gravity Using ${}^{87}$Sr Optical Lattice Clocks
• Frequency-stabilization to 6x10^-16 via spectral-hole burning
• Sub-100 attoseconds optics-to-microwave synchronization
• Spectrally narrow, long-term stable optical frequency reference based on a Eu${}^{3+}$:Y${}_2$SiO${}_5$ crystal at cryogenic temperature

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• Absolute and relative stability of an optical frequency reference based on spectral hole burning in Eu${}^{3+}$:Y${}_2$SiO${}_5$
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• Characteristics of long-lived persistent spectral holes in $E{u}^{3+}:Y_{2}Si{O}_5$ at $1.2K$
• Piezospectroscopic measurement of high-frequency vibrations in a pulse-tube cryostat
• A Raman-Heterodyne Study of the Hyperfine Interaction of the Optically-Excited State ${}^5$D${}_0$ of Eu${}^{3+}$:Y${}_2$SiO${}_5$
• Inhomogeneous response of an ion ensemble from mechanical stress
• Precision measurements of electric-field-induced frequency displacements of an ultranarrow optical transition in ions in a solid
• Multi-mode Heterodyne Laser Interferometry Realized via Software Defined Radio
• Anomalous sub-kelvin thermal frequency shifts of ultra narrow-linewidth solid state emitters
• First-order thermal insensitivity of the frequency of a narrow spectral hole in a crystal
• Slow Light Frequency Reference Cavities -- Proof of Concept for Reducing the Frequency Sensitivity Due to Length Fluctuations
• Thermal-noise Limits to the Frequency Stability of Burned Spectral Holes
• Limits to the sensitivity of a rare-earth-enabled cryogenic vibration sensor