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Journal Article
Widely Frequency-Tunable Amplified Feedback Lasers for 10-GHz Optical Pulsation
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- Authors
- Dae Su Yee, Young Ahn Leem, Sung Bock Kim, Eun Deok Sim, Ho Gyeong Yun, Dong Churl Kim, Kyung Hyun Park
- Issue Date
- 2005-06
- Citation
- IEEE Photonics Technology Letters, v.17, no.6, pp.1151-1153
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- Monolithic amplified feedback semiconductor lasers are demonstrated as a new solution to 10-GHz optical pulsation, where self-pulsations are generated according to the concept of a single-mode laser with shortly delayed optical feedback. They consist of a loss-coupled distributed feedback section operating as a single-mode laser and an integrated feedback cavity including a phase control, an amplifier, and a transparency section, The pulsation frequency is continuously tunable in the range of 7-11.5 GHz with an extinction ratio above 6.5 dB, which indicates that precise Control of a cavity length is not needed. © 2005 IEEE.
- KSP Keywords
- 5 GHz, Cavity length, Continuously tunable, Distributed feedback, Phase control, Precise control, Pulsation frequency, Self-pulsation, Semiconductor lasers, Single-mode laser, extinction ratio