A novel 1 × 2 multimode interference optical wavelength filter based on photodefinable benzocyclobutene (BCB 4024–40) polymer
| Autor: | Shuh-Ying Lee, Mohd Haniff Ibrahim, Abu Bakar Mohammad, Norazan Mohd. Kassim, Mee-Koy Chin |
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| Rok vydání: | 2007 |
| Předmět: |
chemistry.chemical_classification
Materials science Fabrication business.industry Beat (acoustics) Polymer Filter (signal processing) Condensed Matter Physics Isotropic etching Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials chemistry.chemical_compound Optics chemistry Benzocyclobutene Insertion loss Multimode interference Electrical and Electronic Engineering business |
| Zdroj: | Microwave and Optical Technology Letters. 49:1024-1028 |
| ISSN: | 1098-2760 0895-2477 |
| DOI: | 10.1002/mop.22327 |
| Popis: | A novel 1 A— 2 multimode interference (MMI) optical wavelength filter for 1310 and 1550 nm operation based on photodefinable BenzoCyclobutene (BCB 4024-40) polymer is demonstrated. The device is fabricated on BK7 glass substrate with thin layer of SiO2 as cover. A cost effective chemical etching technique is used in the fabrication process to take advantage of the photosensitive nature of the polymer. The filter length is significantly reduced by adopting the restricted MMI scheme, lower beat length ratio, and cascaded MMI couplers. At 1550 nm filtering operation, the measured crosstalk is -20.6 dB and at 1310 nm filtering is -14.4 dB. The measured insertion loss is around 3.2-3.5 dB for both ports. |
| Databáze: | OpenAIRE |
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