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Design of a novel circular wavelength division multiplexing laser chip (CWDLC) using an open loop laser design algorithm

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2 Author(s)
McGovern, M.S. ; Dept. of Electr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USA ; Rothwarf, A.

This paper examines the major issues in the design and fabrication of a circular wavelength division multiplexing laser chip (CWDLC) which is composed of 8 buried heterostructure, InGaAs multiple quantum well distributed feedback lasers (BH-MQW-DFB). The CWDLC has the advantage of being quite small-820 μm in diameter-which is a factor of ten times smaller than other integrated WDM laser chips reported in the literature. Only 5% of the surface area is utilized; the unused area could be used to fabricate monitor and drive circuitry for the individual lasers

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Quantum Electronics, IEEE Journal of  (Volume:32 ,  Issue: 2 )