Wavelength-flattened directional couplers

A geometrical approach

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

A new approach to design a wavelength-insensitive optical power splitter is presented. First, a coupled-mode theory is cast in operatorial form. This allows us to solve the equivalent of coupled differential equations as simple limits. The operators are then represented on a generalized Poincaré sphere, and the resulting graphical tool is applied to different structures, giving a clear interpretation of previous results in literature as well as hints on how to find improved solutions.
Original languageEnglish
Pages (from-to)7141-7148
JournalApplied Optics
Volume42
Issue number36
DOIs
Publication statusPublished - 20 Dec 2003
MoE publication typeA1 Journal article-refereed

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directional couplers
coupled modes
casts
differential equations
operators
wavelengths

Cite this

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title = "Wavelength-flattened directional couplers: A geometrical approach",
abstract = "A new approach to design a wavelength-insensitive optical power splitter is presented. First, a coupled-mode theory is cast in operatorial form. This allows us to solve the equivalent of coupled differential equations as simple limits. The operators are then represented on a generalized Poincar{\'e} sphere, and the resulting graphical tool is applied to different structures, giving a clear interpretation of previous results in literature as well as hints on how to find improved solutions.",
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Wavelength-flattened directional couplers : A geometrical approach. / Cherchi, Matteo.

In: Applied Optics, Vol. 42, No. 36, 20.12.2003, p. 7141-7148.

Research output: Contribution to journalArticleScientificpeer-review

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AB - A new approach to design a wavelength-insensitive optical power splitter is presented. First, a coupled-mode theory is cast in operatorial form. This allows us to solve the equivalent of coupled differential equations as simple limits. The operators are then represented on a generalized Poincaré sphere, and the resulting graphical tool is applied to different structures, giving a clear interpretation of previous results in literature as well as hints on how to find improved solutions.

UR - http://www.mendeley.com/research/wavelengthflattened-directional-couplers-geometrical-approach

UR - http://www.ncbi.nlm.nih.gov/pubmed/14717290

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