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Effect of coupling coefficients on self-pulsation characteristics in multi-section distributed feedback lasers with amplifying optical feedback
- Authors
- Kim, Sang-Taek; Kim, Tae-Young; Kim, Boo-Gyoun
- Issue Date
- Nov-2007
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Keywords
- self-pulsating laser; multi-section distributed feedback laser; optical feedback; complex-coupled grating; self-mode locking
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, v.46, no.11, pp.7325 - 7331
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
- Volume
- 46
- Number
- 11
- Start Page
- 7325
- End Page
- 7331
- ISSN
- 0021-4922
- Abstract
- The self-pulsation characteristics of amplifying feedback lasers (AFLs) composed of a distributed feedback section, a phase tuning section, and an amplifier section for various coupling coefficients are investigated. AFLs with anti-phase gratings give wide operational ranges for stable pulsation compared to those with in-phase gratings and index gratings. The operational ranges for stable pulsation increase as the coupling strength increases and the value of the gain coupling coefficient of anti-phase grating increases.
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Related Researcher
- Kim, Boo Gyoun
- Department of Electronic Engineering