Ferroelectric liquid-crystal polarization switching-based high speed multi-wavelength add/drop filters using fiber and array waveguide gratings.

dc.contributor.authorRiza, Nabeel A.
dc.date.accessioned2020-06-23T14:38:38Z
dc.date.available2020-06-23T14:38:38Z
dc.date.issued1998-05-22
dc.date.updated2020-06-23T11:37:31Z
dc.description.abstractA number of approaches have been used to implement programmable add/drop optical filters for wavelength division multiplexed (WDM) optical communications. These include integrated-optic (10) acousto-optic tunable filters (AOTFs) [1], all-fiber mechanically tuned fiber Bragg grating (FBG) devices [2], 10 grating switch with 10 coupler devices [3], array waveguide grating (AWG) multiplexer with 10 thermo-optic switches [4], FBG devices with magnetic field tuning [5], JO Bragg gratings with multi-mode interference couplers [6], NxN wavelength grating routers and lxN mechanical switches [7], AWG multiplexer with manually simulated 2X2 switches [8], free-space diffraction gratings-based filter using a linear array twisted nematic liquid crystal device [9], 10 electro-optically controlled synthesized grating structure based filter [ 10], and bulk dual AOTF-based structures [ 1 1] .It is highly desirable to have a short reconfiguration time (e.g., 10 is), low optical crosstalk (e.g., -40 dB), low drive power (e.g., tens of mWs), low loss (e.g., 5 dB), add-drop filter. In addition, a low cost modular and scaleable filter design that is easily modifiable and repairable is also desirable. So far, to the best of the author's knowledge, no one filter satisfies all the mentioned requirements. In this paper, we propose three filter architectures based on high speed ferroelectric liquid crystal (FLC) devices, that have the potential to meet the above requirements.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRiza, N. A. (1998) 'Ferroelectric liquid-crystal polarization switching-based high speed multi-wavelength add/drop filters using fiber and array waveguide gratings', Proceedings of SPIE, 3490, International Optics in Computing, Bruges, Belgium. doi: 10.1117/12.308956en
dc.identifier.doi10.1117/12.308956en
dc.identifier.eissn1996-756X
dc.identifier.endpage338en
dc.identifier.issn0277-786X
dc.identifier.journaltitleProceedings of SPIEen
dc.identifier.startpage335en
dc.identifier.urihttps://hdl.handle.net/10468/10172
dc.identifier.volume3490en
dc.language.isoenen
dc.publisherSociety of Photo-Optical Instrumentation Engineers (SPIE)en
dc.rights© 1998 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.en
dc.subjectSwitchesen
dc.subjectPolarizationen
dc.subjectOptical filtersen
dc.subjectFiber Bragg gratingsen
dc.subjectFerroelectric LCDsen
dc.subjectOptical switchingen
dc.subjectMultiplexersen
dc.titleFerroelectric liquid-crystal polarization switching-based high speed multi-wavelength add/drop filters using fiber and array waveguide gratings.en
dc.typeConference itemen
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