Precisely positioned light-induced self-written (LISW) polymeric optical waveguide for optical transceiver module fabrication

T. Matsui; T. Yamashita; M. Kagami

doi:10.1117/12.685093

2 October 2006 Precisely positioned light-induced self-written (LISW) polymeric optical waveguide for optical transceiver module fabrication

T. Matsui, T. Yamashita, M. Kagami

Author Affiliations +

Proceedings Volume 6389, Active and Passive Optical Components for Communications VI; 63890A (2006) https://doi.org/10.1117/12.685093
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

Plastic optical fibers (POFs) are beginning to replace electrical wiring in many automotive and home applications. In view of this, we have reported the inexpensive wavelength-division-multiplexing (WDM) device for POF system using the LISW waveguide. The LISW waveguides are an attractive and a low-cost process for realizing self alignment between a POF and a waveguide. In this study, we have investigated about the method for precisely aligned LISW polymeric optical waveguides by using an "optical solder" effect. The "optical solder" effect makes it possible to realize a waveguide connection between two faced optical fibers by radiating from both sides even if a significant gap and a small degree of misalignment exist. When we utilize POFs with core diameters of 700μm, waveguides are combinable on the condition that an offset is 700μm or less and a gap is from 6mm to 13mm. By applying this effect, we fabricated precisely positioned LISW waveguides for optical devices. The fiber ends were set at certain mounting positions with respect to the LEDs and PDs. And we evaluated the positioning accuracy. The resulting positional accuracy at the extremities of the optical waveguides is less than one-tenth of the optical fiber core diameter. This value is sufficiently accurate to realize passive alignment. And this result creates new possibilities for boosting the yield of optical modules in mass-production.

Citation Download Citation

T. Matsui, T. Yamashita, and M. Kagami "Precisely positioned light-induced self-written (LISW) polymeric optical waveguide for optical transceiver module fabrication", Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 63890A (2 October 2006); https://doi.org/10.1117/12.685093

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