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This paper reports a 3-dimensional (3D) micro-optical coupling system for improving coupling efficiency in the Littrow configured micro-electro-mechanical system (MEMS) tunable lasers. In the coupling system, an optical fiber acts as a rod lens for light convergence in the vertical plane, while a deep-etched silicon parabolic mirror confines the light in the horizontal plane. Compared with previous...
This paper reports a miniature MEMS tunable dual-wavelength laser by integrating a gain chip, a beam splitter, and a pair of Bragg reflectors which has different periods. In the experiment, simultaneous two wavelengths emissions are observed with a thermo-optic tuning range of 1574.7 nm to 1578.6 nm and 1576.1 nm to 1582.6 nm, respectively.
This paper reports an integrated injection-locked laser constructed using microelectromechanical systems (MEMS) technology, which achieves a large wide locking range of 43 nm with an average SMSR of 32 dB.
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