Spin squeezing for coherent population-trapping-based atomic clocks

Selim M. Shahriar; Jinyang Li; Schuyler Kain; Gregorio R. M. da Silva

doi:10.1117/12.2588298

5 March 2021 Spin squeezing for coherent population-trapping-based atomic clocks

Selim M. Shahriar, Jinyang Li, Schuyler Kain, Gregorio R. M. da Silva

Proceedings Volume 11700, Optical and Quantum Sensing and Precision Metrology; 117000P (2021) https://doi.org/10.1117/12.2588298
Event: SPIE OPTO, 2021, Online Only

Abstract

In general, the process of spin squeezing is employed for atomic sensors that are essentially free from the effect of spontaneous emission. In the case of an atomic clock based on coherent population trapping, spontaneous emission plays a key role. Specifically, when the clock is realized in the Ramsey configuration employing a pair of pulses separated in time, it is the spontaneous emission process during the first pulse that creates the coherent population trapping, by optically pumping the atoms into the so-called dark state. We show in this talk that it is still possible to apply the process of spin squeezing to enhance the sensitivity of such a clock, by designing carefully the sequence of steps in the protocol. Specifically, we consider the approach of using the maximally entangled Schroedinger Cat states, produced via one axis twist squeezing, to achieve Heisenberg Limited sensitivity, representing an improvement in sensitivity by as much as four orders of magnitude.

Conference Presentation

Citation Download Citation

Selim M. Shahriar, Jinyang Li, Schuyler Kain, and Gregorio R. M. da Silva "Spin squeezing for coherent population-trapping-based atomic clocks", Proc. SPIE 11700, Optical and Quantum Sensing and Precision Metrology, 117000P (5 March 2021); https://doi.org/10.1117/12.2588298

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
PRESENTATION

WATCH
PRESENTATION SAVE TO MY LIBRARY

GET CITATION

KEYWORDS

Atomic clocks

RELATED CONTENT

Performance analysis of BDS 2, BDS 3, and GPS in...
Proceedings of SPIE (February 10 2023)

Ultra stable optical microresonators for atomic clock and quantum computing...
Proceedings of SPIE (January 01 1900)

Advances in GaN laser diodes for quantum sensors and optical...
Proceedings of SPIE (September 20 2020)

Optical design of PHARAO
Proceedings of SPIE (November 21 2017)

PHARAO space atomic clock new developments on the laser...
Proceedings of SPIE (November 21 2017)

Noise control in dual frequency VECSELs for Cs CPT Clocks...
Proceedings of SPIE (January 01 1900)

Influence of external parameters on the locking position of a...
Proceedings of SPIE (November 04 2003)

Subscribe to Digital Library

Receive Erratum Email Alert

Keywords/Phrases

Search In:

Publication Years