Abstract
To demonstrate light-path manipulation in arbitrary shapes, we fabricated coupled-resonator optical waveguides (CROWs) having a 90deg-corner structure on a lithographically patterned substrate using a simple self-organization process. The spectra of propagation light within the CROWs were directly measured by guide-collection-mode near-field scanning optical microscopy (NSOM) techniques. The spectra revealed that the propagation light through the CROWs has a larger relative intensity of transverse-magnetic (TM) polarization mode than that of transverse-electric (TE) one, whereas Mie theory predicts the intensities of both to be nearly equal. The most plausible cause of the lower intensity in the TE modes is that light leaks out to, and is absorbed by, the patterned Si substrate, because the observable TE light in our setup goes around the microspheres in the vertical plane.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
