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Paper Abstract and Keywords
Presentation 2019-04-26 16:55
[Invited Talk] Manipulation of entangled photons in time-frequency domain
Ryosuke Shimizu (UEC)
Abstract (in Japanese) (See Japanese page) 
(in English) Time-frequency duality plays a pivotal role in a wide range of modern optics. The conventional one-dimensional (1D) time-frequency duality has been successfully applied to characterize the behavior of classical light, such as ultrafast optical pulses from a laser. However, the 1D treatment is not enough to characterize quantum-mechanical correlations in the time-frequency behavior of multiple photons, such as the biphotons from parametric down-conversion. Two-dimensional (2D) treatment is essentially required, but has not been fully demonstrated yet due to technical problems. Here, we study the 2D time-frequency duality of biphotons, by measuring two-photon distributions in both the frequency and the time domain. It is discovered that the generated biphotons satisfy the Fourier-transform-limited conditions in a two-photon spectral distribution. Our study may pave the way for the quantum-optical synthesizer, the next-generation technology beyond the traditional optical synthesis in the time-frequency domain.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum optics / Entangled photons / Ultrafast single-photon detection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 16, PN2019-6, pp. 31-36, April 2019.
Paper # PN2019-6 
Date of Issue 2019-04-19 (PN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee PN  
Conference Date 2019-04-26 - 2019-04-26 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communication, Build E-3, Hall 301 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, Optical Devices, Optical Systems, Optical Networks, etc. 
Paper Information
Registration To PN 
Conference Code 2019-04-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Manipulation of entangled photons in time-frequency domain 
Sub Title (in English)  
Keyword(1) Quantum optics  
Keyword(2) Entangled photons  
Keyword(3) Ultrafast single-photon detection  
1st Author's Name Ryosuke Shimizu  
1st Author's Affiliation University of Electro-Communications (UEC)
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Date Time 2019-04-26 16:55:00 
Presentation Time 50 
Registration for PN 
Paper # IEICE-PN2019-6 
Volume (vol) IEICE-119 
Number (no) no.16 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-PN-2019-04-19 

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