Quantum Optical Induced-Coherence Tomography by a Hybrid Interferometer
- URL: http://arxiv.org/abs/2309.06777v1
- Date: Wed, 13 Sep 2023 07:54:31 GMT
- Title: Quantum Optical Induced-Coherence Tomography by a Hybrid Interferometer
- Authors: Eun Mi Kim, Sun Kyung Lee, Sang Min Lee, Myeong Soo Kang, and Hee Su
Park
- Abstract summary: This work demonstrates for the first time a hybrid-type induced-coherence interferometer that incorporates a Mach-Zehnder-type interferometer for visible photons and a Michelson-type interferometer for infrared photons.
The results verify that the induced-coherence interference visibility is approximately the same as the heralding efficiencies between twin photons along the relevant spatial modes.
- Score: 5.3053404447552275
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Quantum interferometry based on induced-coherence phenomena has demonstrated
the possibility of undetected-photon measurements. Perturbation in the optical
path of probe photons can be detected by interference signals generated by
quantum mechanically correlated twin photons propagating through a different
path, possibly at a different wavelength. To the best of our knowledge, this
work demonstrates for the first time a hybrid-type induced-coherence
interferometer that incorporates a Mach-Zehnder-type interferometer for visible
photons and a Michelson-type interferometer for infrared photons, based on
double-pass pumped spontaneous parametric down-conversion. This configuration
enables infrared optical measurements via the detection of near-visible photons
and provides methods for characterizing the quality of measurements by
identifying photon pairs of different origins. The results verify that the
induced-coherence interference visibility is approximately the same as the
heralding efficiencies between twin photons along the relevant spatial modes.
Applications to both time-domain and frequency-domain quantum-optical
induced-coherence tomography for three-dimensional test structures are
demonstrated. The results prove the feasibility of practical undetected-photon
sensing and imaging techniques based on the presented structure.
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