A 4-channel integrated quarter-wave shifted Bragg grating array with precisely equalized channel spacing was demonstrated in a CMOS-compatible process using sidewall Bragg gratings and the equivalent phase shift method.
© 2013 OSA
J. Sun, Purnawirman, E. S. Hosseini, J. Bradley, T. N. Adam, G. Leake, D. D. Coolbaugh, and M. R. Watts, "Integrated Quarter-Wave Shifted Bragg Grating Array with Equalized Channel Spacing," in Advanced Photonics 2013, H. Chang, V. Tolstikhin, T. Krauss, and M. Watts, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper IM1A.3.
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