Tunability of cascaded grating that is used in distributed feedback laser

Mohammad H. Rahnavard; O. R. Moheimany; Habibollah Abiri

doi:10.1117/12.24767

1 February 1991 Tunability of cascaded grating that is used in distributed feedback laser

Mohammad H. Rahnavard, O. R. Moheimany, Habibollah Abiri

Author Affiliations +

Proceedings Volume 1367, Fiber Optic and Laser Sensors VIII; (1991) https://doi.org/10.1117/12.24767
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

It is shown that there is reflected wave in corrugated waveguide. The reflected wave is maximum near Bragg frequency and decreases symmetrically as frequency changes near Bragg frequency. The constructed filter using a corrugated waveguide is not tunable. Using several corrugated waveguides in cascade it is possible to obtain tunable bandpass filter. In this paper formulas for transmittance of two and three cascaded grating stages, separated by phase shift sections, are developed and their responses are studied.

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Mohammad H. Rahnavard, O. R. Moheimany, and Habibollah Abiri "Tunability of cascaded grating that is used in distributed feedback laser", Proc. SPIE 1367, Fiber Optic and Laser Sensors VIII, (1 February 1991); https://doi.org/10.1117/12.24767

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