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A laser enhanced direct print additive manufacturing process is proposed for 3D printing optical interconnects An optical interconnect is directly printed on a circuit board for the first time using this process Transmitted optical power of the 3D printed optical fiber interconnects is 63 % of that of a commercial fiber in these preliminary prototypes Processing conditions are established using fluid flow and heat transfer modeling Integrated photonics have many compelling advantages for computing and communication applications , including in high-speed and extremely wide bandwidth operations .
 laser enhanced direct print additive manufacturing, 3D printing, optical, process, optical, 3D printed, fiber, fiber, prototypes, fluid flow, heat transfer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 laser enhanced direct print additive manufacturing, 3D printing, optical, process, optical, 3D printed, fiber, fiber, prototypes, fluid flow, heat transfer