Steffen Sauer
- Lasertreiber
- Paper Sammlung

Steffen Sauer

Lasertreiber

Laserdriver_Mg
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Metamirror

Paper Sammlung

General

Making optical atomic clocks more stable with 10−16-level laser stabilization, V. Jiang et al.,Nature Photonics 5, 158–161 (2011)
High-precision laser stabilization via optical cavities, M. Martin and J. Ye
guidelines_for_developing_optical_clocks_with10_18fractional_frequency_uncertainty.pdf

Relevant effects influencing frequency stability

Noise calculation

Thermal-Noise Limit in the Frequency Stabilization of Lasers with Rigid Cavities, K. Numata et al., PRL 93, 250602 (2004)
Thermal noise in optical cavities revisited, T. Kessler et al., J. Opt. Soc. Am. B Vol. 29, No. 1 (2012)
Reduction of thermal noise limit
- Higher-order mode locking:
  - Thermal noise limited higher-order mode locking of a reference cavity, X. Y. Zeng et al., arXiv:1801.05026v1 (2018)

Pound-Drever-Hall (PDH)

Laser Phase and Frequency Stabilization Using an Optical Resonator, R. W. P. Drever et al., Appl. Phys. B 31, 97-105 (1983)
EOM-Temperature

Spacer geometries / Cavity types

Vertical geometry:
- Length: 2.5 cm:
  - Compact, thermal-noise-limited reference cavity for ultra-low-noise microwave generation, J. Davila-Rodriguez et al., Opt. lett. Vol. 42, No. 7 (2017)
- Length: 7 cm:
  - Compact, thermal-noise-limited optical cavity for diode laser stabilization at 1×10−15, A. D. Ludlow et al., Optics Letters Vol. 32, Issue 6, pp. 641-643 (2007)
- Length: 10 cm:
  - A compact, robust, and transportable ultra-stable laser with a fractional frequency instability of 1 × 10−15, Q. F. Chen et al., REVIEW OF SCIENTIFIC INSTRUMENTS 85, 113107 (2014)
- Length: 48 cm:
  - 8 × 10−17 fractional laser frequency instability with a long room-temperature cavity, S. Häfner et al., Optical Letters Vol. 40, No. 9 (2015)
  - A strontium lattice clock with 3×10^−17 inaccuracy and its frequency: a_strontium_lattice_clock_with_310_-17_inaccuracy_and_its_frequency.pdf

Cubic geometry:
- Force-insensitive optical cavity, S. Webster et al., Optics Letters Vol. 36, Issue 18, pp. 3572-3574 (2011)
  - PTB took the NPL-design and updated it for a better longterm stability (see Häfner PHD-thesis, Chapter 4.2)

Cryogenic single-crystal optical cavities:
- Length: 6 cm:
- Length: 21 cm:
  - Ultrastable laser with average fractional frequency drift rate below 5 × 10−19/s, C. Hagemann et al., Optics Letters Vol. 39, No. 17 (2014)
  - A sub-40-mHz-linewidth laser based on a silicon single-crystal optical cavity, T. Kessler et al., Nature Photonics Vol. 6, 687-692 (2012)
  - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.263202
Mercury (Paris) cavity:
- Ultrastable lasers based on vibration insensitive cavities, J. Millo et al., PR A 79, 053829 (2009)
- Laser locking to the Hg199 𝑆01−𝑃03 clock transition with 5.4×10−15/√𝜏 fractional frequency instability , J. J. McFerran et al., Optics Letters Vol. 37, No. 17, 3477-3479 (2012)

Core (Achim Peters):
- iqec-2011-i991-2.pdf

Measurement/characterization techniques of ultra-stable lasers

Characterization of electrical noise limits in ultra-stable laser systems, J. Zhang et al., Review of Scientific Instruments 87, 123105 (2016)
Phase noise characterization of sub-hertz linewidth lasers via digital cross correlation , X. Xie et al., Vol. 42, Issue 7, pp. 1217-1220 (2017)

Applications

Transportable cavities:
- Single-ion, transportable optical atomic clocks, Marion Delehaye & Clément Lacroûte, Journal of Modern Optics, 65:5-6, 622-639 (2018)
Lorentz invariance for the electron:
- Achim Peters: CORE
time:
- riehle.pdf

Noise

power spectral density of Brownian noise
Noise to frequency stability: dawkins.pdf

Material-Konstanten

Coating

Crystaline coatings:
- Tenfold reduction of Brownian noise in high-reflectivity optical coatings, Garrett D. Cole et al., Nature Photonics 7, 644–650 (2013)
  - Anhang von Cole 2013
- Optical performance of large-area crystalline coatings, M. Marchito et al., Opt. Exp. 6114, Vol. 26, No. 5 (2018)

Doppelbrechung in crystallinen Spiegelschichten

ada83.pdf
bab92.pdf
jew87.pdf
Anhang des Cole 2013 Papers

RAM Optimierung

zha14.pdf

Ab wann ist ein Spiegel ein Supermirror?

Supermirrors: R>99.9999% (https://www.rp-photonics.com/supermirrors.html)

Metamirror

Thermal noise of Etalon

Transfer-Stabilität

Providing 10−16 Short-Term Stability of a 1.5-μm Laser to Optical Clocks, C. Hagemann et. al., IEEE Transactions on instrumentation and measurement, VOL. 62, NO. 6 (2013)
https://arxiv.org/pdf/1902.07012.pdf Transfer-stability von Mehlstäubler zu Siliizum (über zwei Gebäude mit Ethernet-Kabel)

Kamm-Kamm-Vergleich/Frequenzkamm-Limitierung

https://arxiv.org/pdf/1910.04261.pdf

Finesse Messung

Ringdown von Cole: supermirror-high-performance-near-and-mid-infrared-crystalline-coatings.pdf

Frequenzverdopplung

S. Herbers: oe-27-16-23262.pdf

Darkmatter

Allgemein derevianko_2016_j._phys._conf._ser._723_012043_1_.pdf
Cavities 1808.00540.pdf
clocks and cavities eaau4869.full_1_.pdf
Fiber links srep11469.pdf
GPS s41467-017-01440-4.pdf

Table of Contents

Steffen Sauer

Lasertreiber

Paper Sammlung

General

Relevant effects influencing frequency stability

Noise calculation

Pound-Drever-Hall (PDH)

Vibration

Residual amplitude modulation

Temperature/CTE

Spacer geometries / Cavity types

Measurement/characterization techniques of ultra-stable lasers

Applications

Noise

Material-Konstanten

Coating

Doppelbrechung in crystallinen Spiegelschichten

RAM Optimierung

Ab wann ist ein Spiegel ein Supermirror?

Metamirror

Transfer-Stabilität

Kamm-Kamm-Vergleich/Frequenzkamm-Limitierung

Finesse Messung

Frequenzverdopplung

Darkmatter