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Tunable Distributed Amplification (TDA-) DFB Laser with Asymmetric Structure

Nobuhiro Nunoya,Hiroyuki Ishii,Yoshihiro Kawaguchi,Ryuzo Iga,Tomonari Sato,Naoki Fujiwara,Hiromi Oohashi

IEEE Journal of Selected Topics in Quantum Electronics（2011）

Cited 32|Views8
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Abstract
The wavelengths of tunable distributed amplification (TDA) distributed feedback (DFB) lasers consisting of multiple units including an active region and a tuning region can be changed without mode hopping. To expand the tuning range of TDA-DFB lasers, an asymmetric periodic structure is proposed where the units in the cavity have different lengths. It is shown theoretically that the asymmetric per...
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Key words
Laser tuning,Laser modes,Semiconductor lasers,Distributed feedback devices,WDM networks
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