Optical Fabrication

Multimode interference optical splitter based on photodefinable benzocyclobutene (BCB 4024-40) polymer

[+] Author Affiliations
M. H. Ibrahim

Universiti Teknologi Malaysia, Faculty of Electrical Engineering, Photonics Research Group, Johor, Malaysia

Shuh-Ying Lee, Mee-Koy Chin

Nanyang Technological University, Photonics Research Centre, Singapore

N. M. Kassim, A. B. Mohammad

Universiti Teknologi Malaysia, Faculty of Electrical Engineering, Photonics Research Group, Johor, Malaysia

Opt. Eng. 46(1), 013401 (January 30, 2007). doi:10.1117/1.2432110
History: Received May 05, 2006; Revised July 11, 2006; Accepted July 18, 2006; Published January 30, 2007
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1×2 and 1×3 planar optical splitters based on Benzocyclobutene (BCB 4024-40) polymeric material are demonstrated for the first time. The devices are designed based on symmetric interference and fabricated on BK7 glass substrates with a thin layer of SiO2 as cover. A cost-effective chemical etching technique is used in the fabrication process to take advantage of the photosensitivity of the polymer. The waveguide loss was measured using the cutback method to be 3.5dBcm. The splitting uniformity is better than 0.02 and 1.5dB at 1550-nm optical wavelength for the 1×2 and 1×3 splitters, respectively.

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© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

M. H. Ibrahim ; Shuh-Ying Lee ; Mee-Koy Chin ; N. M. Kassim and A. B. Mohammad
"Multimode interference optical splitter based on photodefinable benzocyclobutene (BCB 4024-40) polymer", Opt. Eng. 46(1), 013401 (January 30, 2007). ; http://dx.doi.org/10.1117/1.2432110


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