| Authors: | M. Galarza, K. De Mesel, R. Baets, A. Martinez, C. Aramburu, M. Lopez-Amo | | Title: | Compact spot-size converters with fiber-matched antiresonant reflecting optical waveguides | | Format: | International Journal | | Publication date: | 8/2003 | | Journal/Conference/Book: | Applied optics
| | Volume(Issue): | 42(24) p.4841-4846 | | DOI: | 10.1364/ao.42.004841 | | Citations: | 7 (Dimensions.ai - last update: 14/4/2024)
7 (OpenCitations - last update: 3/5/2024)
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Abstract
We propose a concept for InGaAsP-InP 1.55 um 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 enmission patterns (10 x20) and reduce the coupling loss to standard single-mode fibers from 8 to 2.6 dB over lengths approximately 200 um shorter than the adiabatic concept. A tolerant design to fabrication variations is also proposed, which could be realized by standard processing techniques. |
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