The 79th JSAP Autumn Meeting, 2018

Presentation information

Oral presentation

4 JSAP-OSA Joint Symposia 2018 » 4.8 Quantum Optics and Nonlinear Optics

[20p-211B-1~7] 4.8 Quantum Optics and Nonlinear Optics

Thu. Sep 20, 2018 1:15 PM - 4:15 PM 211B (211-2)

Takashige Omatsu(Chiba Univ.), Sunao Kurimura(NIMS), Masayuki Katsuragawa(UEC)

3:30 PM - 3:45 PM

[20p-211B-5] Pulse-resolved measurement of continuous-variable EPR entanglement with shaped local oscillators

〇(DC)Ami Shinjo1, Takuya Katayama1, Yujiro Eto2, Takuya Hirano1 (1.Gakushuin Univ., 2.AIST)

Keywords:Continuous variable entanglement, Pulsed light source, Waveguides

We demonstrated time-domain measurement and frequency domain measurement of continuous-variable (CV) entanglement with pulsed light source and waveguides. The experiment with pulsed light source has difficulty in temporal mode matching between the entangled beams and local oscillator (LO) beams. To break through this difficulty, we shorten the duration of LO pulse by optical parametric amplification (OPA) in a waveguide. We generated entanglement that satisfied EPR-Reid criterion in the time domain measurement and in the frequency domain measurement.

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