Accurate frequency alignment in fabrication of high-order microring-resonator filters.
Opt Express
; 16(20): 15958-63, 2008 Sep 29.
Article
en En
| MEDLINE
| ID: mdl-18825233
Frequency mismatch in high-order microring-resonator filters is investigated. We demonstrate that this frequency mismatch is caused mainly by the intrafield distortion of scanning-electron-beam-lithography (SEBL) used in fabrication. The intrafield distortion of an SEBL system is measured, and a simple method is also proposed to correct this distortion. By applying this correction method, the average frequency mismatch in second-order microring-resonator filters was reduced from -8.6 GHz to 0.28 GHz.
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Tipo de estudio:
Prognostic_studies
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En
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Opt Express
Asunto de la revista:
OFTALMOLOGIA
Año:
2008
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Article
País de afiliación:
Estados Unidos
Pais de publicación:
Estados Unidos