Femtowatt-light-level phase measurement of slow light pulses via beat-note interferometer | Zendy

Hsiang-Yu Lo | Zendy; Po-Ching Su | Zendy; YuWei Cheng | Zendy; Pin-I Wu | Zendy; Yong-Fan Chen | Zendy

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Femtowatt-light-level phase measurement of slow light pulses via beat-note interferometer

Author(s) -

Hsiang-Yu Lo,

Po-Ching Su,

YuWei Cheng,

Pin-I Wu,

Yong-Fan Chen

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.018498

Subject(s) - optics , interferometry , physics , beat (acoustics) , amplitude , electromagnetically induced transparency , phase (matter) , phase noise , photon , quantum mechanics

We report on an experimental demonstration of applying the beat-note interferometer to simultaneously measure the phase and amplitude variations of light pulses after propagating through an electromagnetically induced transparency medium at femtowatt-light levels. Furthermore, we observe that the measured phase noise approaches the shot-noise level arising from the fluctuations of detected photons.

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