Ibrahim, Mohd. Haniff and Mohd. Kassim, Norazan and Mohammad, Abu Bakar and Lee, Shuh-Ying and Chin, Mee-Koy (2007) A novel 1x2 multimode interference optical wavelength filter based on photodefinable benzocyclobutene (BCB 4024-40) polymer. Microwave and Optical Technology Letters, 49 (5). pp. 1024-1028. ISSN 0895-2477
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Official URL: http://dx.doi.org/10.1002/mop.22327
Abstract
A novel 1 × 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.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | optical waveguide; wavelength ï¬lter; multimode interference; photodeï¬nable polymer; chemical etching technique |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 6221 |
| Deposited By: | Mohd Haniff Ibrahim |
| Deposited On: | 18 Aug 2008 01:39 |
| Last Modified: | 08 Nov 2011 09:33 |
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