Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Benjamin Kraus
  • Sofia Herbers
  • Constantin Nauk
  • Uwe Sterr
  • Christian Lisdat
  • Piet o. Schmidt

Organisationseinheiten

Externe Organisationen

  • Physikalisch-Technische Bundesanstalt (PTB)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)658-661
Seitenumfang4
FachzeitschriftOptics letters
Jahrgang50
Ausgabenummer2
PublikationsstatusVeröffentlicht - 14 Jan. 2025

Abstract

Optical clocks require an ultra-stable laser to probe and precisely measure the frequency of the narrow-linewidth clock transition. We introduce a portable ultraviolet (UV) laser system for use in an aluminum quantum logic clock, demonstrating a fractional frequency instability of approximately mod σy = 2 × 10-16. The system is based on an ultra-stable cavity with crystalline AlGaAs/GaAs mirror coatings, with a frequency quadrupling system employing two single-pass second-harmonic generation (SHG) stages. Its acceleration sensitivity, measured in all three axes, does not exceed 4(2) × 10-12/(ms-2) and is among the lowest recorded for transportable systems to date. Additionally, partial cancellation between photo-thermal noise and photo-birefringence noise is used to effectively mitigate noise induced by intra-cavity optical power fluctuation at lower Fourier frequencies.

ASJC Scopus Sachgebiete

Zitieren

Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise. / Kraus, Benjamin; Herbers, Sofia; Nauk, Constantin et al.
in: Optics letters, Jahrgang 50, Nr. 2, 14.01.2025, S. 658-661.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Kraus B, Herbers S, Nauk C, Sterr U, Lisdat C, Schmidt PO. Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise. Optics letters. 2025 Jan 14;50(2):658-661. doi: 10.1364/OL.544907
Kraus, Benjamin ; Herbers, Sofia ; Nauk, Constantin et al. / Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise. in: Optics letters. 2025 ; Jahrgang 50, Nr. 2. S. 658-661.
Download
@article{7c6728a82df643c29147a20d8fbb01a5,
title = "Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise",
abstract = "Optical clocks require an ultra-stable laser to probe and precisely measure the frequency of the narrow-linewidth clock transition. We introduce a portable ultraviolet (UV) laser system for use in an aluminum quantum logic clock, demonstrating a fractional frequency instability of approximately mod σy = 2 × 10-16. The system is based on an ultra-stable cavity with crystalline AlGaAs/GaAs mirror coatings, with a frequency quadrupling system employing two single-pass second-harmonic generation (SHG) stages. Its acceleration sensitivity, measured in all three axes, does not exceed 4(2) × 10-12/(ms-2) and is among the lowest recorded for transportable systems to date. Additionally, partial cancellation between photo-thermal noise and photo-birefringence noise is used to effectively mitigate noise induced by intra-cavity optical power fluctuation at lower Fourier frequencies.",
author = "Benjamin Kraus and Sofia Herbers and Constantin Nauk and Uwe Sterr and Christian Lisdat and Schmidt, {Piet o.}",
year = "2025",
month = jan,
day = "14",
doi = "10.1364/OL.544907",
language = "English",
volume = "50",
pages = "658--661",
journal = "Optics letters",
issn = "0146-9592",
publisher = "OSA - The Optical Society",
number = "2",

}

Download

TY - JOUR

T1 - Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise

AU - Kraus, Benjamin

AU - Herbers, Sofia

AU - Nauk, Constantin

AU - Sterr, Uwe

AU - Lisdat, Christian

AU - Schmidt, Piet o.

PY - 2025/1/14

Y1 - 2025/1/14

N2 - Optical clocks require an ultra-stable laser to probe and precisely measure the frequency of the narrow-linewidth clock transition. We introduce a portable ultraviolet (UV) laser system for use in an aluminum quantum logic clock, demonstrating a fractional frequency instability of approximately mod σy = 2 × 10-16. The system is based on an ultra-stable cavity with crystalline AlGaAs/GaAs mirror coatings, with a frequency quadrupling system employing two single-pass second-harmonic generation (SHG) stages. Its acceleration sensitivity, measured in all three axes, does not exceed 4(2) × 10-12/(ms-2) and is among the lowest recorded for transportable systems to date. Additionally, partial cancellation between photo-thermal noise and photo-birefringence noise is used to effectively mitigate noise induced by intra-cavity optical power fluctuation at lower Fourier frequencies.

AB - Optical clocks require an ultra-stable laser to probe and precisely measure the frequency of the narrow-linewidth clock transition. We introduce a portable ultraviolet (UV) laser system for use in an aluminum quantum logic clock, demonstrating a fractional frequency instability of approximately mod σy = 2 × 10-16. The system is based on an ultra-stable cavity with crystalline AlGaAs/GaAs mirror coatings, with a frequency quadrupling system employing two single-pass second-harmonic generation (SHG) stages. Its acceleration sensitivity, measured in all three axes, does not exceed 4(2) × 10-12/(ms-2) and is among the lowest recorded for transportable systems to date. Additionally, partial cancellation between photo-thermal noise and photo-birefringence noise is used to effectively mitigate noise induced by intra-cavity optical power fluctuation at lower Fourier frequencies.

UR - http://www.scopus.com/inward/record.url?scp=85215967615&partnerID=8YFLogxK

U2 - 10.1364/OL.544907

DO - 10.1364/OL.544907

M3 - Article

VL - 50

SP - 658

EP - 661

JO - Optics letters

JF - Optics letters

SN - 0146-9592

IS - 2

ER -

Von denselben Autoren