Extremely small AWG demultiplexer fabricated on InP by using a double-etch process

Y. Barbarin, X.J.M. Leijtens, E.A.J.M. Bente, C.M. Louzao, J. Kooiman, M.K. Smit

Research output: Contribution to journalArticleAcademicpeer-review

99 Citations (Scopus)
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Abstract

A compact low-loss 4×4 arrayed waveguide grating (AWG) demultiplexer with a channel spacing of 400 GHz is presented. By employing a double-etch process, a low-loss device is made with deeply etched waveguides that have a bending radius down to 30 µm. This small radius and a reduction of the number of array arms, reduces the device size to only 230×330 µm2. Measured insertion losses are less than 5 dB and the crosstalk is below -12 dB. To our knowledge, this is the smallest AWG reported to date
Original languageEnglish
Pages (from-to)2478-2480
Number of pages3
JournalIEEE Photonics Technology Letters
Volume16
Issue number11
DOIs
Publication statusPublished - 2004

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