Abstract

An adaptive gridless OXC is implemented using a 3D-MEMS optical backplane plus optical modules (sub-systems) that provide elastic spectrum and time switching functionality. The OXC adapts its architecture on demand to fulfill the switching requirements of incoming traffic. The system is implemented in a seven-node network linked by installed fiber and is shown to provide suitable architectures on demand for three scenarios with increasing traffic and switching complexity. In the most complex scenario, signals of mixed bit-rates and modulation formats are successfully switched with flexible per-channel allocation of spectrum, time and space, achieving over 1000-fold bandwidth granularity and 1.5 Tb/s throughput with good end-to-end performance.

© 2011 OSA

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References

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  1. O. A. Gerstel, “Flexible Use of Spectrum and Photonic Grooming,” in Photonics in Switching, OSA Technical Digest (CD) (Optical Society of America, 2010), paper PMD3.
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    [CrossRef] [PubMed]
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2010

Opt. Express

Other

S. Thiagarajan, M. Frankel, and D. Boertjes, “Spectrum efficient super-channels in dynamic flexible grid networks - A blocking analysis,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

O. Moriwaki, K. Noguchi, H. Takahashi, T. Sakamoto, K. I. Sato, H. Hasegawa, M. Okuno, and Y. Ohmori, “Terabit-scale compact hierarchical optical cross-connect system employing PLC devices and optical backplane,” in National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper PDPC9.

H. Furukawa, T. Miyazawa, K. Fujikawa, N. Wada, and H. Harai, “First development of integrated optical packet and circuit switching node for new-generation networks,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

D. Chiaroni, R. Urata, J. Gripp, J. E. Simsarian, G. Austin, S. Etienne, T. Segawa, Y. Pointurier, C. Simonneau, Y. Suzaki, T. Nakahara, M. Thottan, A. Adamiecki, D. Neilson, J. C. Antona, S. Bigo, R. Takahashi, and V. Radoaca, “Demonstration of the interconnection of two optical packet rings with a hybrid optoelectronic packet router,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

N. Amaya, G. S. Zervas, and D. Simeonidou, “Architecture on demand for transparent optical networks,” Transparent Optical Networks (ICTON),201113th International Conference on, 26–30 June 2011.

“WaveShaper S-Series Product Brief,” http://www.finisar.com/optical_instrumentation , October 2010.

K. Nashimoto, D. Kudzuma, and H. Han, “High-speed switching and filtering using PLZT waveguide devices,” in 2010 15th OptoeElectronics and Communications Conference (OECC), 5–9 July 2010, pp. 540–542.

O. A. Gerstel, “Flexible Use of Spectrum and Photonic Grooming,” in Photonics in Switching, OSA Technical Digest (CD) (Optical Society of America, 2010), paper PMD3.

P. J. Winzer, A. H. Gnauck, S. Chandrasekhar, S. Draving, J. Evangelista, and B. Zhu, “Generation and 1,200-km transmission of 448-Gb/s ETDM 56-Gbaud PDM 16-QAM using a single I/Q modulator,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

S. Chandrasekhar and X. Liu, “Terabit superchannels for high spectral efficiency transmission,” in 2010 36th European Conference and Exhibition on Optical Communication (ECOC), 19–23 Sept. 2010.

J. Yu, Z. Dong and N. Chi, “Generation, Transmission and Coherent Detection of 11.2 Tb/s (112x100Gb/s) Single Source Optical OFDM Superchannel,” in Optical Fiber Communication Conference (OFC 2011), 6–10 March 2011, paper PDPA6.

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Figures (5)

Fig. 1
Fig. 1

a) Adaptive OXC, b) example architecture and c) architecture reconfiguration algorithm.

Fig. 2
Fig. 2

a) Experimental network configuration and b) field fiber connectivity.

Fig. 3
Fig. 3

Experimental Setup. Node D is the adaptive OXC.

Fig. 4
Fig. 4

Constructed architectures and spectrum plot results for three traffic scenarios.

Fig. 5
Fig. 5

a) Example frame showing flexible time allocation, b) time multiplexing of 40 Gb/s and 3x10 Gb/s and c) BER results for 10 Gb/s and 40 Gb/s continuous and sub-λ channels in Scenario 3.

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