Very high coupling of TM polarised light in photonic crystal directional couplers

Peter Ingo Borel, Morten Thorhauge, Lars Hagedorn Frandsen, J. Cheng, M. Kampanis, Martin Kristensen, Andrei Lavrinenko, Yanxin Zhuang, H.M.H. Chong

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Abstract

The experimental and simulated spectra for TE and TM polarised light for the transmission through photonic crystal directional couplers are presented. The 3D FDTD simulations successfully explain all the major features of the experimental spectra as well as the actual transmission level. Especially noteworthy is the transmission level, experimentally found to be above -3 dB in the wavelength range 1520-1690 nm, for TM polarised light in the coupled channel. It is noted that even though band calculations show that the propagation of the TM polarisation takes place below the TM valence band, very high and spectrally smooth coupling is observed for the TM polarisation in this wavelength range.
Original languageEnglish
Title of host publicationCLEO/Europe
PublisherIEEE
Publication date2003
ISBN (Print)0-7803-7734-6
DOIs
Publication statusPublished - 2003
EventConference on Lasers and Electro-Optics Europe 2003 - Munich, Germany
Duration: 22 Jun 200327 Jun 2003

Conference

ConferenceConference on Lasers and Electro-Optics Europe 2003
Country/TerritoryGermany
CityMunich
Period22/06/200327/06/2003

Bibliographical note

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