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Paper Abstract and Keywords
Presentation 2020-11-12 15:00
A Novel Optical Power Measurement Scheme Using an Amplified-Spontaneous-Emission Feedback Circuit with High Improvements in Optical Power Resolution
Hiroji Masuda, Biswajit Biswas, MD Syful Islam, Kokoro Kitamura (Shimane Univ.) OFT2020-40
Abstract (in Japanese) (See Japanese page) 
(in English) The optical power resolution (OPR) is one of the most important parameters of photodetectors in optical communication/measurement systems. We have proposed a novel optical power measurement scheme called “amplified-spontaneous-emission feedback circuit (ASEFC) scheme” with significantly improved OPRs compared with the conventional scheme. We also successfully measured the loss of a variable optical attenuator with a significantly large improvement factor of about 70 using the ASEFC scheme compared with the conventional scheme. The achieved resolution using the ASEFC scheme was about 0.00014 dB when the resolution of the power meter used with the ASEFC was set at 0.01 dB.
Keyword (in Japanese) (See Japanese page) 
(in English) Amplified spontaneous emission / Feedback circuit / Optical power measurement / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 230, OFT2020-40, pp. 17-20, Nov. 2020.
Paper # OFT2020-40 
Date of Issue 2020-11-05 (OFT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Conference Date 2020-11-10 - 2020-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2020-11-OFT-BCT-OCS-CMN 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Novel Optical Power Measurement Scheme Using an Amplified-Spontaneous-Emission Feedback Circuit with High Improvements in Optical Power Resolution 
Sub Title (in English)  
Keyword(1) Amplified spontaneous emission  
Keyword(2) Feedback circuit  
Keyword(3) Optical power measurement  
1st Author's Name Hiroji Masuda  
1st Author's Affiliation Shimane University (Shimane Univ.)
2nd Author's Name Biswajit Biswas  
2nd Author's Affiliation Shimane University (Shimane Univ.)
3rd Author's Name MD Syful Islam  
3rd Author's Affiliation Shimane University (Shimane Univ.)
4th Author's Name Kokoro Kitamura  
4th Author's Affiliation Shimane University (Shimane Univ.)
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Speaker Author-1 
Date Time 2020-11-12 15:00:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2020-40 
Volume (vol) vol.120 
Number (no) no.230 
Page pp.17-20 
Date of Issue 2020-11-05 (OFT) 

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