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17 January 2011 Pluggable compact optical connector for Si-photonics chip using MT-ferrule
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Proceedings Volume 7943, Silicon Photonics VI; 79430P (2011) https://doi.org/10.1117/12.874528
Event: SPIE OPTO, 2011, San Francisco, California, United States
Abstract
A pluggable compact connector between the single-mode optical fiber and the grating coupler in a Si-photonics chip has been prepared using a cost-effective MT-ferrule. The 8-channel MT-ferrule with a dimension of 6.4 mm x 2.45 mm x 8.1 mm was processed to have a compact dimension of 6.4 mm x 2.45 mm x 1.5 mm. It can reduce the cost down to 1/30 of a commercial fiber-array-block unit (FABU). It has guide holes for passive plugging with another MT-ferrule connected to the external light source. Small dimension and simple connection enabled a connector to be directly bonded to the Si photonics chip. The optical insertion loss of each channel the connector showed constant values of 0.41~0.74 dB for the wavelength range from 1520 nm to 1600 nm. The assembled optical connector was directly bonded to the Si chip on which 6-channel waveguides were formed. Each waveguide has a etch depth of 120 nm, a width of 10 μm, and a length of 7.3 mm on a SOI wafer with a 220 nm-thick Si top layer and a 2 μm-thick SiO2 buried oxide layer. Grating couplers were formed at both ends of each waveguide. The minimum coupling loss of the connector was 5.4 dB.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Do-Won Kim, Jun-Young Lee, Jong-Hun Kim, and Gyungock Kim "Pluggable compact optical connector for Si-photonics chip using MT-ferrule", Proc. SPIE 7943, Silicon Photonics VI, 79430P (17 January 2011); https://doi.org/10.1117/12.874528
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