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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 11 — Jun. 1, 2008
  • pp: 1189–1191

Observation of light propagation across a 90 ° corner in chains of microspheres on a patterned substrate

Tadashi Mitsui, Yutaka Wakayama, Tsunenobu Onodera, Yosuke Takaya, and Hidetoshi Oikawa  »View Author Affiliations


Optics Letters, Vol. 33, Issue 11, pp. 1189-1191 (2008)
http://dx.doi.org/10.1364/OL.33.001189


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Abstract

To demonstrate light-path manipulation in arbitrary shapes we fabricated coupled-resonator optical waveguides (CROWs) having a 90 ° -corner structure on a lithographically patterned substrate. The spectra of propagation light within the CROWs were directly measured by guide-collection-mode near-field scanning optical microscopy. The spectra revealed that the propagation light through the CROWs has a larger transverse-magnetic polarization mode than a transverse-electric (TE) one. The most plausible cause of the lower intensity in the TE mode is that light leaks out to the Si substrate.

© 2008 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(230.4000) Optical devices : Microstructure fabrication
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits
(180.4243) Microscopy : Near-field microscopy

ToC Category:
Optical Devices

History
Original Manuscript: February 22, 2008
Revised Manuscript: April 10, 2008
Manuscript Accepted: April 12, 2008
Published: May 23, 2008

Citation
Tadashi Mitsui, Yutaka Wakayama, Tsunenobu Onodera, Yosuke Takaya, and Hidetoshi Oikawa, "Observation of light propagation across a 90° corner in chains of microspheres on a patterned substrate," Opt. Lett. 33, 1189-1191 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-11-1189

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