Monolithically integrated widely tunable laser source operating at 2 μm

Journal article (2016)

Authors

S. Latkowski Eindhoven University of Technology
A. Hänsel ImPhys/Optics - AS
E.A.J.M. Bente Eindhoven University of Technology
Petrus J. Van Veldhoven Eindhoven University of Technology
D. D'Agostino Eindhoven University of Technology
H. Rabbani-Haghighi Eindhoven University of Technology
B. Docter EFFECT Photonics B.V.
N. Bhattacharya ImPhys/Optics - AS
P. J A Thijs Eindhoven University of Technology
H. P M M Ambrosius Eindhoven University of Technology
M Smit Eindhoven University of Technology
Research Group
ImPhys/Optics (AS) (TU Delft)
Copyright: © 2016 S Latkowski, A. Hänsel, P. J. Van Veldhoven, D. D’Agostino, H. Rabbani-Haghighi, B. Docter, N. Bhattacharya, P. J A Thijs, H. P M M Ambrosius, M Smit, E.A.J.M. Bente
DOI: https://doi.org/10.1364/OPTICA.3.001412
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Published Date

20-12-2016

Language

English

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Faculty

Applied Sciences

Department

ImPhys/Imaging Physics

Research Group

ImPhys/Optics

Abstract

We present a widely tunable extended cavity ring laser operating at 2 μm that is monolithically integrated on an indium phosphide substrate. The photonic integrated circuit is designed and fabricated within a multiproject wafer run using a generic integration technology platform. The laser features an intracavity tuning mechanism based on nested asymmetric Mach-Zehnder interferometers with voltage controlled electro-refractive modulators. The laser operates in a single-mode regime and is tunable over the recorded wavelength range of 31 nm, spanning from 2011 to 2042 nm. Its capability for high-resolution scanning is demonstrated in a single-line spectroscopy experiment using a carbon dioxide reference cell.

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