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Chirp Parameter of Electroabsorption Modulators with InGaAsP Intrastep Quantum Wells

Title
Chirp Parameter of Electroabsorption Modulators with InGaAsP Intrastep Quantum Wells
Author
정희준
Keywords
electroabsorption; quantum well; step barrier; modulator; chirp
Issue Date
2005-04
Publisher
INST PURE APPLIED PHYSICS
Citation
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, v. 44, No. 16-19, Page. L590-L592
Abstract
The chirp parameter of electroabsorption modulators (EAMs) with intrastep quantum wells (IQWs) based oil the InGaAsP material system is investigated theoretically. The chirp parameter of the IQW EAM, calculated by using the Krarners-Kronig relation, shows a discontinuity at a low voltage due to the blue shift in transition energy. Once the red shift is initiated, the chirp of the IQW EAM is similar to that of the conventional quantum-well (QW) EAM. Comparison with the conventional QW EAM shows that the IQW EAM could still be operated under high optical power without the compromise in chirp and absorption loss.
URI
https://iopscience.iop.org/article/10.1143/JJAP.44.L590http://repository.hanyang.ac.kr/handle/20.500.11754/110377
ISSN
0021-4922
DOI
10.1143/JJAP.44.L590
Appears in Collections:
COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > APPLIED PHYSICS(응용물리학과) > Articles
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