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Self-pulsation in multisection laser diodes with a DFB reflector

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6 Author(s)
Young Ahn Leem ; Opt. Devices Res. Dept., Electron. & Telecommun. Res. Inst., Daejeon ; Dae-Su Yee ; Eundeok Sim ; Kim, Sung-Bock
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A novel self-pulsation regime is observed in multisection laser diodes which consist of a loss-coupled distributed-feedback (DFB) section, a phase control section, and gain sections, where 10-GHz self-pulsation due to compound cavity mode beating has been reported with the DFB section operated as a single-mode laser. When the DFB section is below threshold current, the devices give the self-pulsation in a very wide operating range. We attribute the pulsation to passive mode-locking and also confirm that this structure is applicable to 40-GHz operation

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 4 )

Date of Publication:

Feb. 15, 2006

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