研究目的
Investigating the fabrication of light-induced self-written (LISW) optical waveguides using near infrared continuous wave laser light with microwatt power for optical interconnection in silicon photonics.
研究成果
The study successfully demonstrated LISW waveguides using NIR CW laser in a three-component system, achieving microwatt level photopolymerization thresholds at 1070 nm and 1310 nm. This technique offers a promising approach for optical interconnection in silicon photonics.
研究不足
The study is limited by the need for pre-UV treatment to avoid bending of the LISW waveguide and the specific wavelengths (1070 nm and 1310 nm) used for fabrication.
1：Experimental Design and Method Selection:
The study utilized a three-component photoinitiating system for LISW waveguide fabrication at 1070 nm and 1310 nm wavelengths.
2：Sample Selection and Data Sources:
The photocurable resin consisted of an acrylate monomer, a borate salt radical generator, a co-initiator, and an NIR photosensitive diimmonium dye.
3：List of Experimental Equipment and Materials:
Equipment included a UV mercury lamp (Ushio Co., Ltd, SPOT-CURE SP-9) and CW lasers at 1070 nm and 1310 nm (PRECISE GAUGES Co., Ltd.).
4：Experimental Procedures and Operational Workflow:
The process involved pre-UV treatment to increase resin viscosity, followed by NIR CW laser irradiation through an SMF to fabricate the waveguide.
5：Data Analysis Methods:
The fabricated LISW waveguide was observed using a differential interference contrast (DIC) microscope.
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