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Optical coupling analysis of dual-waveguide structure for monolithic integration of photonic devices
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- Authors
- Young-Shik Kang, Sung-Bock Kim, Yong-Duck Chung, Jeha Kim
- Issue Date
- 2005-11
- Citation
- IEEE Photonics Technology Letters, v.17, no.11, pp.2304-2306
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- We proposed the dual-waveguide structure (DWS) with spot size converters and demonstrated the monolithic integration of both photodetector (PD) and electroabsorption modulator (EAM) based on the DWS. The coupling loss between the device facet and a lensed fiber was as small as 2.13 dB. The responsivity of PD and the extinction ratio of EAM were 0.58 A/W and 20 dB at - 4 Vdc, respectively. From the optical coupling analysis, it was proved that the dual-waveguide scheme provided one of the best solutions for the monolithic integration of optoelectronic devices. © 2005 IEEE.
- KSP Keywords
- As 2, Coupling loss, Lensed fiber, Monolithic Integration, Optical coupling, Spot size, Waveguide Structure, coupling analysis, electroabsorption modulator(EAM), extinction ratio, optoelectronic devices