A new optical interconnection module for high coupling efficiency on EOPCB

Liangjia Zong; Fengguang Luo; Zhihua Yu

doi:10.1117/12.821059

19 February 2009 A new optical interconnection module for high coupling efficiency on EOPCB

Liangjia Zong, Fengguang Luo, Zhihua Yu

Proceedings Volume 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration; 72790I (2009) https://doi.org/10.1117/12.821059
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

A new optical interconnection module for high coupling efficiency on Electro-optical printed circuit board (EOPCB) is presented in this paper. Polymer light waveguide which is embedded in common PCB has been used to construct EOPCB. The waveguide is fabricated by the method called Doctor-blading technology. A new 90°-deflection element which contains a MT-compatible coupling module with sphere interface is used to connect the VCSEL and waveguide. The MT-compatible coupling element is fabricated using high NA fiber which is placed very close to the vertical cavity surface emitter laser (VCSEL), which can make the loss between the VCSEL and coupling element ignored. On the other hand, the sphere interface at the end of the coupling element can provide a higher coupling efficiency and a larger misalignment tolerance between the coupling element and waveguide. The simulation result shows that the coupling efficiency can reach a peak value of 97.1% when the radius of the sphere interface is about 500μm. The horizontal misalignment tolerance and the vertical misalignment tolerance amount to ±25μm and ±32μm for 3dB-loss respectively.

Citation Download Citation

Liangjia Zong, Fengguang Luo, and Zhihua Yu "A new optical interconnection module for high coupling efficiency on EOPCB", Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 72790I (19 February 2009); https://doi.org/10.1117/12.821059

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