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Presentation 2014-06-20 14:50
Investigation of 56-Gb/s direct modulation in 1.3-um InGaAlAs MQW RS-BH DFB lasers
Kouji Nakahara, Yuki Wakayama, Takeshi Kitatani, Takafumi Taniguchi (Hitachi), Toshihiko Fukamachi, Yasushi Sakuma (Oclaro), Shigehisa Tanaka (Hitachi) OPE2014-17 LQE2014-22 Link to ES Tech. Rep. Archives: OPE2014-17 LQE2014-22
Abstract (in Japanese) (See Japanese page) 
(in English) Demands for the highly efficient transmission of large amounts of data capacity have become pressing with the explosive growth of Internet/intranet traffic. To meet these demands, the next-generation Ethernet standardization, 400-Gb/s Ethernet (400GbE) are being actively discussed. In this study, a new type of buried heterostruture DFB laser, namely, a ridge-shaped buried heterostructure (RS-BH) DFB laser, for high bit rate operation is proposed. It is experimentally demonstrated that the proposed RS-BH DFB lasers with an asymmetric corrugation-pitch-modulated (ACPM) grating have low threshold current and high frequency response. These superior lasing characteristics of RS-BH ACPM DFB lasers enable 56-Gb/s direct modulation at 55°C.
Keyword (in Japanese) (See Japanese page) 
(in English) 400GbE / 1.3-µm directly modulated laser / RS-BH / ACPM-DFB / 56 Gb/s operation / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 98, LQE2014-22, pp. 23-26, June 2014.
Paper # LQE2014-22 
Date of Issue 2014-06-13 (OPE, LQE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Download PDF OPE2014-17 LQE2014-22 Link to ES Tech. Rep. Archives: OPE2014-17 LQE2014-22

Conference Information
Committee OPE LQE  
Conference Date 2014-06-20 - 2014-06-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2014-06-OPE-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of 56-Gb/s direct modulation in 1.3-um InGaAlAs MQW RS-BH DFB lasers 
Sub Title (in English)  
Keyword(1) 400GbE  
Keyword(2) 1.3-µm directly modulated laser  
Keyword(3) RS-BH  
Keyword(4) ACPM-DFB  
Keyword(5) 56 Gb/s operation  
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Keyword(7)  
Keyword(8)  
1st Author's Name Kouji Nakahara  
1st Author's Affiliation Hitachi, Ltd. (Hitachi)
2nd Author's Name Yuki Wakayama  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi)
3rd Author's Name Takeshi Kitatani  
3rd Author's Affiliation Hitachi, Ltd. (Hitachi)
4th Author's Name Takafumi Taniguchi  
4th Author's Affiliation Hitachi, Ltd. (Hitachi)
5th Author's Name Toshihiko Fukamachi  
5th Author's Affiliation Oclaro, Japan (Oclaro)
6th Author's Name Yasushi Sakuma  
6th Author's Affiliation Oclaro, Japan (Oclaro)
7th Author's Name Shigehisa Tanaka  
7th Author's Affiliation Hitachi, Ltd. (Hitachi)
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Speaker
Date Time 2014-06-20 14:50:00 
Presentation Time 25 
Registration for LQE 
Paper # IEICE-OPE2014-17,IEICE-LQE2014-22 
Volume (vol) IEICE-114 
Number (no) no.97(OPE), no.98(LQE) 
Page pp.23-26 
#Pages IEICE-4 
Date of Issue IEICE-OPE-2014-06-13,IEICE-LQE-2014-06-13 


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