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Journal Article
Measurements of Coupling and Reflection Characteristics of Butt-Joints in Passive Waveguide Integrated Laser Diodes
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- Authors
- Jung Ho Song, Jung Woo Park, Eun Deok Sim, Yong Soon Baek
- Issue Date
- 2005-09
- Citation
- IEEE Photonics Technology Letters, v.17, no.9, pp.1791-1793
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- Amplified spontaneous emission (ASE) spectra of passive waveguide integrated lasers have been studied to estimate the coupling efficiency and the reflectivity at the butt-joints between active and passive waveguides. A new method has been proposed for the analysis of ASE to extract the coupling efficiency and reflectivity at the butt-joints. This method was applied experimentally to estimate the coupling and reflection of the passive waveguide integrated lasers with different amounts of vertical misalignments of active and passive waveguides. © 2005 IEEE.
- KSP Keywords
- Active and passive, Integrated laser, Laser diode(LD), Reflection characteristics, amplified spontaneous emission, coupling efficiency, new method, waveguide integrated