Chirping of an MMI-PHASAR demultiplexer for application in multiwavelength lasers

C.G.P. Herben, C.G.M. Vreeburg, X.J.M. Leijtens, H. Blok, F.H. Groen, I. Moerman, J.W. Pedersen, M.K. Smit

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Abstract

We report the first chirped multimode interference-based phased-array (MMI-PHASAR) for application in multi-wavelength lasers (MWLs). To avoid wavelength ambiguity in MWLs, undesired orders are suppressed by chirping the array of arms in the demultiplexer. Simulations show that a suppression of adjacent orders of more than 2 dB can be achieved. A 1*5 MMI-PHASAR has been realized in which the effect of the chirping is clearly visible according to the simulations
Original languageEnglish
Pages (from-to)1116-1118
JournalIEEE Photonics Technology Letters
Volume9
Issue number8
Publication statusPublished - 1997

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