Reconfigurable π-shifted and mach-zehnder bandpass filters on the basis of electrooptically induced long-period gratings in a planar waveguide

Kulishov, Mykola; Daxhelet, Xavier

doi:10.1109/jlt.2003.809558

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Cited by 10 publications

(2 citation statements)

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“…However, to achieve a much higher tuning/switching speed, the possibility of using electro-optic or piezo-electric material for the realization of LPWG devices should be explored. In fact, several reconfigurable filters based on electro-optically induced LPWGs have been analyzed [48][49][50]. Experimental demonstration is yet to be seen.…”

Section: Discussionmentioning

confidence: 99%

Widely tunable long-period waveguide grating filters

Chiang

2006

Proceedings of SPIE

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This paper presents a review of the development of long-period waveguide gratings (LPWGs) with focus on the realization of various kinds of tunable devices, such as band-rejection filters, variable attenuators, band-pass filters, and add/drop multiplexers. A number of specific examples are given to demonstrate how the geometry and material flexibility of the optical waveguide technology facilitates the design of widely tunable LPWG-based devices. LPWG is evolving into a versatile waveguide structure for the implementation of a wide range of optical functions.

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Section: Discussionmentioning

confidence: 99%

Widely tunable long-period waveguide grating filters

Chiang

2006

Proceedings of SPIE

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“…An ordinary LPG by its nature is a stop band filter. Few proposals are made to turn the LPG fiber into a pass band filter by im plem enting n-phase shift in the grating, see [44], [45],…”

Section: Summary and Discussionmentioning

confidence: 99%