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High precision spectroscopic measurement using spectral hole burning technique with ultra-stable laser on Eu3+ : Y2SiO5 can be used to measure very small deformations in the crystal such as the ones arising due to quantum motion of nanoresonators. We present an experiment aiming at such high precision characterization.
We report on the current developments of an ultra-stable laser based on spectral hole burning spectroscopy of rare-earth doped crystal at cryogenic temperature. Narrow spectral holes and error signal have been demonstrated with a heterodyne method.
We report on the current developments at LNE-SYRTE to realize an ultra-stable laser based on spectral hole burning spectroscopy of rare-earth doped crystals at cryogenic temperature. Our goal is to realize a cw laser with a stability below 10−16, suitable for quantum projection noise limited interrogation of optical lattice clocks after transfer to optical clocks wavelength via an optical frequency...
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