Title

Selective excitation of the TE01 mode in hollow-glass waveguide using a subwavelength grating

Authors

Authors

W. S. Mohammed; A. Mehta; M. Pitchumani;E. G. Johnson

Comments

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Abbreviated Journal Title

IEEE Photonics Technol. Lett.

Keywords

circular waveguides; gratings; multimode waveguides; optical fiber; coupling; optical fiber polarization; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

In this work we demonstrate, for the first time to our knowledge, a novel subwavelength optical element for the elective excitation of the TEO1 mode inside a 300-mu m bore diameter hollow-glass waveguide (HGW) in order to reduce the transmission loss. The device consists of form birefringent gratings, where each section is oriented in a different direction so as to convert a linearly polarized input light to a rotating polarized one matching the TEO1 mode. Using this polarization converting element, we measured a 1.65-dB decrease in the transmission loss in the HGW at a wavelength of 1.55 mu m.

Journal Title

Ieee Photonics Technology Letters

Volume

17

Issue/Number

7

Publication Date

1-1-2005

Document Type

Article

Language

English

First Page

1441

Last Page

1443

WOS Identifier

WOS:000230052900027

ISSN

1041-1135

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