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Simple to fabricate and highly efficient spot-size converters

Research Area: III-V Semiconductor Photonic ICs

Main Researcher: Wouter D

There are two rationales for the use of integrated spot-size converters (SSC): 1) fiber coupling and pigtailing of photonic integrated circuits (PIC), and 2) hybrid integration of lasers, semiconductor optical amplifiers and other PICís with low-loss silica on silicon planar circuits. We investigate SSCís that are based on a tapered active region and an underlying passive guide. Simple to fabricate and highly efficient SSCís have been developed.

SEM photograph of two SSC
SEM photograph of two SSC

Other people involved:

PhD thesises

Publications

    International Journals

  1. B. Moeyersoon, G. Morthier, R. Bockstaele, R. Baets, Improvement of the Wavelength Switching Behaviour of Semiconductor Tunable Lasers through Optical Feedback from a Periodic Reference Filter based on a Novel Prism-Based Implementation of a Fox-Smith Resonator, Photonics Technology Letters, 17(10), p.2032-2034 (2005)  Download this Publication (146KB).
  2. M. Galarza, K. De Mesel, R. Baets, A. Martinez, C. Aramburu, M. Lopez-Amo, Compact spot-size converters using fiber-matched antiresonant reflecting optical waveguides , Applied Optics, p.4841-4846 (2003).
  3. M. Galarza, K. De Mesel, S. Verstuyft, D. Fuentes, C. Aramburu, M. Lopez-Arno, I. Moerman, P. Van Daele, R. Baets, Mode-expanded 1.55-um InP-InGaAsP Fabry-Perot lasers using ARROW waveguides for efficient fiber coupling, IEEE Journal on Selected Topics in Quantum Electronics, 8(6), p.1389-1398 (2002)  Download this Publication (646KB).

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