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Paper Abstract and Keywords
Presentation 2010-10-28 17:30
Evaluation of a band-divided receiver prototype for wideband optical signals
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto (NTT) Link to ES Tech. Rep. Archives: OPE2010-104 LQE2010-77
Abstract (in Japanese) (See Japanese page) 
(in English) Coherent receivers for optical signals have attracted lots of attention because of good frequency utilization. However they need an Analog to Digital Converter (ADC) of several hundreds GHz to convert over 100 Gbit/s/ch wideband signals to digital signals while it is technically difficult to early produce such a very high speed ADC. Therefore we propose using a band-divided receiver for optical wideband signals. The receiver is based on a heterodyne receiver structure, which enables it to divide wideband signals into a number of narrow band signals by analog band pass filter in electric domain. Each narrow band signal is converted to an I/Q signal pair, after which an I/Q signal pair is converted to a digital signal by a low-sampling rate ADC. We developed its prototype and evaluated it by experiment. In addition to the prototype, we developed a real-time OFDM demodulator. We verified that the band-divided receiver prototype with the real-time OFDM demodulator can demodulate single-polarization 12 Gbit/s OFDM signals using 1.5 GS/s ADC in real-time.
Keyword (in Japanese) (See Japanese page) 
(in English) Coherent receiver / Analog to Digital Converter / OFDM / real-time / Heterodyne receiver / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 257, OCS2010-68, pp. 79-84, Oct. 2010.
Paper # OCS2010-68 
Date of Issue 2010-10-21 (OCS, OPE, LQE) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)

Conference Information
Committee LQE OPE OCS  
Conference Date 2010-10-28 - 2010-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Mojiko Retro Town, Minato house 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ultrafast transmission,signal processing/modulation-demodulation/wideband amplification,WDM technology/light emitting-receiving device/high power light delivery/etc(report on ECOC) 
Paper Information
Registration To OCS 
Conference Code 2010-10-LQE-OPE-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of a band-divided receiver prototype for wideband optical signals 
Sub Title (in English)  
Keyword(1) Coherent receiver  
Keyword(2) Analog to Digital Converter  
Keyword(3) OFDM  
Keyword(4) real-time  
Keyword(5) Heterodyne receiver  
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1st Author's Name Munehiro Matsui  
1st Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
2nd Author's Name Riichi Kudo  
2nd Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
3rd Author's Name Yasushi Takatori  
3rd Author's Affiliation NTT Science and Core Technology Laboratories, NTT Corporation (NTT)
4th Author's Name Tadao Nakagawa  
4th Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
5th Author's Name Koichi Ishihara  
5th Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
6th Author's Name Masato Mizoguchi  
6th Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
7th Author's Name Takayuki Kobayashi  
7th Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
8th Author's Name Yutaka Miyamoto  
8th Author's Affiliation NTT Network Innovation Laboratories, NTT corporation (NTT)
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Speaker
Date Time 2010-10-28 17:30:00 
Presentation Time 25 
Registration for OCS 
Paper # IEICE-OCS2010-68,IEICE-OPE2010-104,IEICE-LQE2010-77 
Volume (vol) IEICE-110 
Number (no) no.257(OCS), no.258(OPE), no.259(LQE) 
Page pp.79-84 
#Pages IEICE-6 
Date of Issue IEICE-OCS-2010-10-21,IEICE-OPE-2010-10-21,IEICE-LQE-2010-10-21 


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