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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
DOI
https://dx.doi.org/10.1109/LPT.2005.852329
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