A compact polymer variable optical attenuator using wide-angle X-junction structure

Kin Ki Chung; Hau-Ping Chan

doi:10.1117/12.577114

11 February 2005 A compact polymer variable optical attenuator using wide-angle X-junction structure

Kin Ki Chung, Hau-Ping Chan

Proceedings Volume 5625, Optical Transmission, Switching, and Subsystems II; (2005) https://doi.org/10.1117/12.577114
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

We propose a polymeric variable optical attenuator using a modified wide angle X-junction structure. The device's size is only one sixth of that using conventional Y-junction structure. A commercial 3D-Beam Propagation Method simulation software was used to optimize and analyze our design, which was then fabricated using benzocyclobutene polyimide. The experimental results well match with the simulation results. The VOA has an attenuation range larger that 34dB for TE polarization by means of thermo-optic tuning. The measured response time was about 100 micro second, which is fast in compared with other thermo-optic device. The compactness of our device makes it very suitable for high density integrated photonics circuits.

Citation Download Citation

Kin Ki Chung and Hau-Ping Chan "A compact polymer variable optical attenuator using wide-angle X-junction structure", Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); https://doi.org/10.1117/12.577114

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