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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 21, Iss. 5 — May. 1, 2004
  • pp: 903–907

Flattop tunable dense-wavelength division-multiplexing filter–modulator

Luc Gilles and Phuc Tran  »View Author Affiliations

JOSA B, Vol. 21, Issue 5, pp. 903-907 (2004)

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For spectral filters with subnanometer bandwidth, precise control of the device components’ dimensions (error<λ/1000, where λ is the center wavelength) is critical. Theoretical results from the transfer-matrix method show that an electro-optic thin-film filter can have a subnanometer bandwidth and still tolerate a root-mean-square error in the thickness of each layer up to λ/100. Illustrative examples of an electro-optic thin-film spectral filter with 0.05-nm (6-GHz), -3-dB bandwidth are presented.

© 2004 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4510) Fiber optics and optical communications : Optical communications

Luc Gilles and Phuc Tran, "Flattop tunable dense-wavelength division-multiplexing filter-modulator," J. Opt. Soc. Am. B 21, 903-907 (2004)

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