#Silicon core fishbone waveguide extends frequency comb
“#Silicon core fishbone waveguide extends frequency comb” Waveguide design, Zhang et al. doi 10.1117/1.AP.2.4.046001. Credit: SPIE Frequency combs are becoming one of the great enabling technologies of the 21st century. High-precision atomic clocks, and high-precision spectroscopy are just two technologies that have benefited from the development of highly precise frequency combs. However, the original frequency…