Coupling coefficient calculaltion of laterally coupled distributed feedback laser structure with metal surface gratings

We calculated the coupling coefficient of laterally coupled distributed feedback (LC-DFB) laser structure with metal surface gratings using both coupled mode theory and beam propagation method. The coupling coefficient of a 3 mum wide LC-DFB laser with 3rd order gratings fabricated by holographic li...

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Bibliographic Details
Main Authors: Sung-Jun Jang, Yong-Tak Lee, Jae Su Yu
Format: Conference Proceeding
Language:English
Subjects:
BPM
coupling coefficient
DFB laser
Distributed feedback devices
Gratings
holographic lithgoraphy
Holography
Laser beams
Laser feedback
Laser modes
Laser theory
Optical coupling
Optical propagation
Surface emitting lasers
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Summary:We calculated the coupling coefficient of laterally coupled distributed feedback (LC-DFB) laser structure with metal surface gratings using both coupled mode theory and beam propagation method. The coupling coefficient of a 3 mum wide LC-DFB laser with 3rd order gratings fabricated by holographic lithography was estimated as approximately 7.9 cm -1 . Coupling coefficient dependence on structural parameters was also investigated.
ISSN:1092-8669
DOI:10.1109/ICIPRM.2008.4702918