Journal Article

PUBDB-2022-00143

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Attosecond-precision balanced linear-optics timing detector

Wang, T. (Corresponding author) ; Ren, Q. ; Şafak, K.CFEL*Extern* ; Kärtner, F. X.CFEL*XFEL.EU*DESY* ; Xin, M.

2021
Soc. Washington, DC

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Please use a persistent id in citations: doi:10.1364/OE.442459  doi:10.3204/PUBDB-2022-00143

Abstract: A new timing detection method based on acousto-optic modulation is demonstrated. The timing detector is immune to dispersion effects and the environmental and laser amplitude noise can be well suppressed by a balanced configuration. With 1 mW power per pulse train, the measured timing noise floor is about 1×10$^{−10}$ fs$^2$/Hz, which is close to the shot noise limit. The integrated timing jitter is 26 as at [1 Hz, 1 MHz]. With 170 fs pulse width and typical detector parameters, the calculated detector’s timing noise floor is more than 5 and 12 orders of magnitude lower than that of a BOC, at 1 mW and 1 µW input power, respectively. This timing detector has a variety of potential applications in ultra-long fiber link stabilization, quantum metrology, weak signal timing control, etc.

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Contributing Institute(s):

1. Ultrafast Lasers & X-rays Division (FS-CFEL-2)

Research Program(s):

1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)

Experiment(s):

1. Experiments at CFEL

Appears in the scientific report 2021

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