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High-Speed Frequency Modulated DBR Lasers for Long-Reach Transmission

Takaaki KAKITSUKA, Shinji MATSUO

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Summary :

We present a novel high-speed transmitter consisting of a frequency modulated DBR laser and optical filters. The refractive index modulation in the phase control region of the DBR laser allows high-speed frequency modulation. The generated frequency modulated signal is converted to an intensity modulated signal using the edge of the optical filter pass band. We present theoretical simulations of high-speed modulation characteristics and extension of transmission reach. With the proposed transmitter, we review the experimental demonstration of 180-km transmission of a 10-Gb/s signal with a tuning range of 27 nm and 60-km transmission of a 20-Gb/s signal.

Publication
IEICE TRANSACTIONS on Electronics Vol.E92-C No.7 pp.929-936
Publication Date
2009/07/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E92.C.929
Type of Manuscript
Special Section INVITED PAPER (Special Section on Recent Advances in Ultra-high-speed Photonic Devices for Next-generation Optical Fiber Communications)
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