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Paper Abstract and Keywords
Presentation 2024-11-26 10:00
Engineering propagating cat states with driving-assisted cavity QED
Seigo Kikura (Waseda Univ.), Hayato Goto (RIKEN), Takao Aoki (Waseda Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a method for generating optical cat states in propagating pules based on cavity quantum electrodynamics (QED). This scheme uses multiple four-level systems (4LSs) inside an optical cavity as an emitter. Time-modulating driving stimulates the emitter to produce a superposition of coherent states entangled with the 4LSs. The postselection of an appropriate state of the 4LSs leads to a multicomponent cat state in a propagating pulse. Taking atomic decay and cavity loss into account, we optimize the cavity external loss rate to maximize the fidelity. We find that its optimum value is formulated similarly to that of other generation methods for propagating states, which suggests a universal property of cavity-QED systems interacting with fields outside the cavity.
Keyword (in Japanese) (See Japanese page) 
(in English) cavity QED / cat states / / / / / /  
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Conference Information
Committee QIT  
Conference Date 2024-11-26 - 2024-11-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2024-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Engineering propagating cat states with driving-assisted cavity QED 
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Keyword(1) cavity QED  
Keyword(2) cat states  
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1st Author's Name Seigo Kikura  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Hayato Goto  
2nd Author's Affiliation RIKEN (RIKEN)
3rd Author's Name Takao Aoki  
3rd Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2024-11-26 10:00:00 
Presentation Time 20 minutes 
Registration for QIT 
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