Photoinduced grating filters in GeO2 thin-film waveguides
Applied Optics, Vol. 22, Issue 24, pp. 4088-4092 (1983)
http://dx.doi.org/10.1364/AO.22.004088
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Abstract
Narrowband grating filters were fabricated in GeO2 thin-film optical waveguides by optically induced changes in the refractive index. Intense counterpropagating laser beams inside the waveguide resulted in distributed feedback reflectors having a peak efficiency of 40%. The spectral response of the filters was measured by thermal tuning of the center frequency and agreed with the results of a coupled-mode analysis. The filter bandwidths were <0.01 nm.
© 1983 Optical Society of America
Citation
Zhong-Yi Yin, Paul E. Jessop, and Brian K. Garside, "Photoinduced grating filters in GeO2 thin-film waveguides," Appl. Opt. 22, 4088-4092 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-24-4088
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