Low-cost CD-ROADMs Based Elastic Optical Networks Employing Wavelength Defragmentation

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Takita, Yutaka; Tajima, Kazuyuki; Hashiguchi, Tomohiro; Katagiri, Toru (Fujitsu Limited, Kamikodanaka 4-1-1, Nakahara-ku, Kawasaki 211-8588, Japan)

We evaluate low-cost CD-ROADMs (L-CD-ROADMs) based elastic optical networks where wavelength defragmentation is applied. Through simulations, we confirm that such networks can save close to 50% of ROADM cost in the add/drop part with negligible impact on wavelength utilization efficiency.