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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8422–8427

InP photonic wire waveguide using InAlAs oxide cladding layer

M. Takenaka and Y. Nakano  »View Author Affiliations

Optics Express, Vol. 15, Issue 13, pp. 8422-8427 (2007)

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We proposed a novel InP based photonic wire waveguide with an InAlAs oxide cladding. The InGaAsP/InAlAs-oxide structure in the vertical direction provides an ultrahigh index contrast waveguide, and it allows a bend radius of a few μm with no vertical leakage loss. The InP photonic wire waveguide with a 500×300-nm rectangular channel core (refractive index n ~ 3.36) and an InAlAs oxide cladding (n ~ 2.4) was numerically analyzed using the three-dimensional time-domain beam propagation method (3D TD-BPM). We predicted that the U-bend waveguide with a 3-μm bend radius can be realized with the propagation loss of < 0.5 dB.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(230.3120) Optical devices : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

Original Manuscript: May 21, 2007
Revised Manuscript: June 18, 2007
Manuscript Accepted: June 19, 2007
Published: June 20, 2007

Mitsuru Takenaka and Yoshiaki Nakano, "InP photonic wire waveguide using InAlAs oxide cladding layer," Opt. Express 15, 8422-8427 (2007)

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