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IEICE Electronics Express
Vol. 5 (2008) No. 12 P 451-456

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http://doi.org/10.1587/elex.5.451

LETTER

A tapered hollow waveguide multiplexer is proposed to combine the output of a GaInAs/GaAs multi-wavelength VCSEL array for coupling into a multi-mode fiber. The design of the proposed hollow waveguide is presented based on ray optics. We demonstrate multiplexing of 4-channel output of a GaInAs/GaAs VCSEL array formed on a patterned substrate for coupling into a multi-mode fiber. The proposed hollow waveguide multiplexer is useful for realizing compact and low-cost WDM transceiver with a multi-wavelength VCSEL array for high capacity short reach optical networks.

Copyright © 2008 by The Institute of Electronics, Information and Communication Engineers

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