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Design of fiber-matched uncladded rib waveguides on InP with polarization-independent mode matching loss of 1 dB | IEEE Journals & Magazine | IEEE Xplore

Design of fiber-matched uncladded rib waveguides on InP with polarization-independent mode matching loss of 1 dB


Abstract:

A waveguide taper design for uncladded rib or channel waveguides on InGaAsP-InP with polarization-independent coupling loss to the fiber is proposed. The spot size variat...Show More

Abstract:

A waveguide taper design for uncladded rib or channel waveguides on InGaAsP-InP with polarization-independent coupling loss to the fiber is proposed. The spot size variation of the guided mode along the taper is investigated numerically by a two-dimensional finite difference method. By introducing thin guiding layers below the waveguide it is shown that the taper structure can be designed to have relaxed fabrication tolerances and a mode matching loss to the fiber of 1 dB.
Published in: IEEE Photonics Technology Letters ( Volume: 8, Issue: 8, August 1996)
Page(s): 1049 - 1051
Date of Publication: 06 August 2002

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