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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 24 — Aug. 20, 2003
  • pp: 4841–4846

Compact Spot-Size Converters with Fiber-Matched Antiresonant Reflecting Optical Waveguides

Marko Galarza, Kurt De Mesel, Roel Baets, Alfredo Martínez, Cándido Aramburu, and Manuel López-Amo  »View Author Affiliations


Applied Optics, Vol. 42, Issue 24, pp. 4841-4846 (2003)
http://dx.doi.org/10.1364/AO.42.004841


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Abstract

We propose a concept for InGaAsP-InP 1.55-μm lasers integrated with spot-size converters based on modal interference between the modes of the structure formed by an active waveguide and an underlying fiber-matched antiresonant reflecting optical waveguide. Simulation results show that the spot-size converters exhibit low transformation loss, and narrowed far-field emission patterns (10° × 20°) and reduce the coupling loss to standard single-mode fibers from 8 to 2.6 dB over lengths approximately 200 μm shorter than the adiabatic concept. A tolerant design to fabrication variations is also proposed, which could be realized by standard processing techniques.

© 2003 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.7390) Optical devices : Waveguides, planar

Citation
Marko Galarza, Kurt De Mesel, Roel Baets, Alfredo Martínez, Cándido Aramburu, and Manuel López-Amo, "Compact Spot-Size Converters with Fiber-Matched Antiresonant Reflecting Optical Waveguides," Appl. Opt. 42, 4841-4846 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-24-4841


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