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Paper Abstract and Keywords
Presentation 2017-01-18 10:35
Effect of isotope control on dephasing time in rare-earth 4f transitions
Takehiko Tawara, Giacomo Mariani, Kaoru Shimizu, Hiroo Omi (NTT BRL), Satoru Adachi (Hokkaido Univ.), Hideki Gotoh (NTT BRL) PN2016-42 EMT2016-71 OPE2016-117 LQE2016-106 EST2016-81 MWP2016-55
Abstract (in Japanese) (See Japanese page) 
(in English) Rare-earth 4f orbital forms atomic-like discrete energy levels and ideally shows long coherence time with degree of the milliseconds in solid-state host materials. Therefore, these are expected as a platform of the quantum coherent manipulation. Performance of this quantum manipulation, however, is limited by dephasing time which is induced by various interactions in the host crystal and shortens in less than microsecond. From this context, we aim to high efficient quantum manipulation in rare-earth ions with long coherence time by purification of rare-earth ions, removal of magnetic moment from the host crystal and application of photonic-crystal structures for controlling optical field. In this paper, as one of those, we report effect of isotope separation of rare-earth ions on the dephasing time.
Keyword (in Japanese) (See Japanese page) 
(in English) Rare-earth doped crystal / Homogeneous broadening / Dephasing time / Spectral hole burning / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 389, LQE2016-106, pp. 5-8, Jan. 2017.
Paper # LQE2016-106 
Date of Issue 2017-01-11 (PN, EMT, OPE, LQE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PN2016-42 EMT2016-71 OPE2016-117 LQE2016-106 EST2016-81 MWP2016-55

Conference Information
Committee OPE EST LQE EMT PN MWP IEE-EMT  
Conference Date 2017-01-18 - 2017-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Iseshi Kanko Bunka Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2017-01-OPE-EST-LQE-EMT-PN-MWP-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of isotope control on dephasing time in rare-earth 4f transitions 
Sub Title (in English)  
Keyword(1) Rare-earth doped crystal  
Keyword(2) Homogeneous broadening  
Keyword(3) Dephasing time  
Keyword(4) Spectral hole burning  
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1st Author's Name Takehiko Tawara  
1st Author's Affiliation NTT Basic Research Laboratories (NTT BRL)
2nd Author's Name Giacomo Mariani  
2nd Author's Affiliation NTT Basic Research Laboratories (NTT BRL)
3rd Author's Name Kaoru Shimizu  
3rd Author's Affiliation NTT Basic Research Laboratories (NTT BRL)
4th Author's Name Hiroo Omi  
4th Author's Affiliation NTT Basic Research Laboratories/NTT Nanophotonics Center (NTT BRL)
5th Author's Name Satoru Adachi  
5th Author's Affiliation Hokkaido University (Hokkaido Univ.)
6th Author's Name Hideki Gotoh  
6th Author's Affiliation NTT Basic Research Laboratories (NTT BRL)
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Speaker Author-1 
Date Time 2017-01-18 10:35:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # PN2016-42, EMT2016-71, OPE2016-117, LQE2016-106, EST2016-81, MWP2016-55 
Volume (vol) vol.116 
Number (no) no.386(PN), no.387(EMT), no.388(OPE), no.389(LQE), no.390(EST), no.391(MWP) 
Page pp.5-8 
#Pages 4 
Date of Issue 2017-01-11 (PN, EMT, OPE, LQE, EST, MWP) 

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