Volume 7, Issue 3 pp. 150-152
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Extremely low power penalty in 2.5-Gb/S transmission experiment using 1.55-μm MQW-DFB lasers with optimized QW number

M. Kawano

M. Kawano

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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T. Aoyagi

T. Aoyagi

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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H. Watanabe

H. Watanabe

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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T. Takiguchi

T. Takiguchi

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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Y. Nakajima

Y. Nakajima

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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A. Takemoto

A. Takemoto

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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R. Hirano

R. Hirano

Optoelectronic and Microwave Devices Laboratory Mitsubishi Electric Corporation 4—1, Mizuhara, Itami Hyogo 664, Japan

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First published: 20 February 1994

Abstract

For 1.55-μm MQW-DFB lasers, the dependence of transmission characteristics under 2.5-Gb/s modulation on the number of wells is investigated experimentally and theoretically. The fiber length is 70 km and the total dispersion is 1470 ps/nm. Extremely low power penalty of 1.3 dB is obtained for a 12-well laser with large differential gain of 7.1 × 10−16 cm2. © 1994 John Wiley & Sons, Inc.

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