Widely tunable torsional optical filter

TitleWidely tunable torsional optical filter
Publication TypeJournal Article
Year of Publication2002
AuthorsMateus, C. F. R., C. - H. Chang, L. Chrostowski, S. Yang, D. Sun, R. Pathak, and C. J. Chang-Hasnain
JournalPhotonics Technology Letters, IEEE
Pagination819 -821
Date Publishedjun.
Keywords1500 to 1600 nm, 1550 nm, 2.5 Gbit/s, Al0.1Ga0.9As-Al0.85Ga0.15 As, continuous tuning range, directly modulated vertical-cavity surface-emitting laser transmission, distributed Bragg reflectors, DWDM optical networks, electro-optical filters, Fabry-Perot cavity, Fabry-Perot resonators, micro-optics, optical communication equipment, optical tuning, photonic MEM devices, torsion, torsional micromechanical structure, wavelength division multiplexing, widely tunable torsional optical filter

A broad range tunable optical filter using a torsional micromechanical structure is presented. The device has a continuous tuning range over 100 nm, from 1500 to 1600 nm, and the structure eliminates the potential catastrophic discharge problem associated with electrostatic micromachines. Transmission of a 2.5-Gb/s directly modulated 1550-nm vertical-cavity surface-emitting laser through the tunable filter shows no power penalty


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