Fabrication of Grating Structures and Their Applications in Integrated Optics

집적광학용 격자구조의 제작과 응용

  • 이성재 (대전기계창) ;
  • 송재원 (한국과학기술원 전기 및 전자공학과) ;
  • 신상영 (한국과학기술원 전기 및 전자공학과)
  • Published : 1984.05.01

Abstract

Submicron gratings are fabricated holographically on thin film single mode and multimode waveguides. Thin film waveguides are made by spin-coating polyurethane solution on the substrates of microscope slide glass and Corning 7059 glass. In order to characterize thin film waveguides, the refract사e index and the thickness of thin films are measured by using the m-line spectroscopy. The fabricated gratings are tested as a grating coupler, a mode converter, and a beam splitter. Also chirped gratings are fabricated to observe beam expansion phenomena and thus the possibility of the wavelength demultiplexing.

Keywords