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Self-Pulsation in Multisection Laser Diodes With a DFB Reflector
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- Authors
- Young Ahn Leem, Dae Su Yee, Eun Deok Sim, Sung Bock Kim, Dong Churl Kim, Kyung Hyun Park
- Issue Date
- 2006-02
- Citation
- IEEE Photonics Technology Letters, v.18, no.4, pp.622-624
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- 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. © 2006 IEEE.
- KSP Keywords
- Compound cavity, Control section, Distributed feedback, Laser diode(LD), Passive mode-locking(PML), Phase control, Self-pulsation, Single-mode laser, Threshold current, Wide operating range, cavity mode