We demonstrated an athermal arrayed waveguide grating by using a novel glass system with TiO2 concentration of more than 50 mol%. We reduced the temperature coefficient of the center wavelength to less than 1 pm/ºC.
© 2004 Optical Society of America
H. Hirota, M. Itoh, and M. Oguma, "Novel glass system with negative temperature coefficient of refractive index and its application to arrayed waveguide grating," in Optical Fiber Communication Conference, Technical Digest (CD) (Optical Society of America, 2004), paper FK3.
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