Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session V01: Poster Session III 4pm-6pm CDT
4:00 PM,
Thursday, June 3, 2021
Abstract: V01.00134 : Towards a continuous superradiant laser on the strontium 1S0-3P0 transition *
Presenter:
Camila Beli Silva
(University of Amsterdam)
Authors:
Camila Beli Silva
(University of Amsterdam)
Francesca Famà
(University of Amsterdam)
Sheng Zhou
(University of Amsterdam)
Stefan Alaric Schäffer
(University of Amsterdam)
Georgy A. Kazakov
(TU Wien)
Benjamin Pasquiou
(University of Amsterdam)
Shayne Bennetts
(University of Amsterdam)
Florian Schreck
(University of Amsterdam)
While pulsed superradiant lasing on mHz-wide transition of 87Sr has been demonstrated [3], achieving steady-state operation is the next challenge for active optical clocks. We will describe a new machine that we are constructing based on our experience producing a continuous BEC of strontium [4, 5]. Our aim is to produce a continuously operating superradiant laser on the clock transition for use as a frequency standard.
One of the main challenges for continuous superradiant emission is the production of a high flux beam of cold atoms [2]. We propose two different experimental designs to meet this requirement. In both cases an unceasing flux of atoms is guided into a ring cavity, where continuous superradiant emission will occur. In the first one, the atoms are provided by a continuous source based on our previous design [4, 5]. While in the second one they are conveyed from a reservoir, periodically refilled from a pulsed magneto-optical trap.
[1] Safronova et al., Rev. Mod. Phys. 90, 025008 (2018).
[2] Meiser et al., Phys. Rev. Lett. 102, 163601 (2009).
[3] Norcia et al., Sci. Adv. 2, e1601231 (2016).
[4] Chen et al., Phys. Rev. Appl. 12, 044014 (2019).
[5] Chen et al., arXiv:2012.07605 (2020).
*www.iqclock.eu
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