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Loss-coupled distributed-feedback lasers with amplified optical feedback for optical microwave generation
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- Authors
- Dae-Su Yee, Young Ahn Leem, Sung-Bock Kim, Dong Churl Kim, Kyung Hyun Park, Sang-Taek Kim, Boo-Gyoun Kim
- Issue Date
- 2004-10
- Citation
- Optics Letters, v.29, no.19, pp.2243-2245
- ISSN
- 0146-9592
- Publisher
- Optical Society of America (OSA)
- Language
- English
- Type
- Journal Article
- Abstract
- Multisection semiconductor lasers for optical microwave generation have been fabricated that consist of a loss-coupled distributed feedback (LC-DFB), a phase control, and an amplifier section. High-frequency self-pulsations are generated according to the concept of a single-mode laser with short optical feedback. The effect of the optical feedback via the phase control and the amplifier section on the self-pulsation is apparently shown as a result of the superior single-mode characteristic of the LC-DFB section. Continuous frequency tuning is achieved in the range of 17-35 GHz. © 2004 Optical Society of America.
- KSP Keywords
- 3.5 GHz, Distributed feedback lasers(DFBs), Frequency tuning, High Frequency(HF), Optical microwave generation, Phase control, Self-pulsation, Semiconductor lasers, Single-mode laser, optical feedback