All-optical networks with sparse wavelength conversion
IEEE/ACM Transactions on Networking (TON)
Strictly non-blocking WDM cross-connects
SODA '00 Proceedings of the eleventh annual ACM-SIAM symposium on Discrete algorithms
Nonblocking WDM Multicast Switching Networks
IEEE Transactions on Parallel and Distributed Systems
Optical networks: a practical perspective
Optical networks: a practical perspective
Switching and Traffic Theory for Integrated Broadband Networks
Switching and Traffic Theory for Integrated Broadband Networks
Multiwavelength Optical Networks: A Layered Approach
Multiwavelength Optical Networks: A Layered Approach
Wavelength exchange: a novel function for optical networks
Information Sciences—Informatics and Computer Science: An International Journal - Special issue: Photonics, networking & computing
Designing WDM Optical Interconnects with Full Connectivity by Using Limited Wavelength Conversion
IEEE Transactions on Computers
Cost-Effective Designs of WDM Optical Interconnects
IEEE Transactions on Parallel and Distributed Systems
Optimization of optical cross-connects with wave-mixing conversion
IEEE/ACM Transactions on Networking (TON)
IEEE/ACM Transactions on Networking (TON)
Digital MEMS for optical switching
IEEE Communications Magazine
Matching algorithms for three-stage bufferless Clos network switches
IEEE Communications Magazine
Optical switching technology comparison: optical MEMS vs. other technologies
IEEE Communications Magazine
A study of waveband switching with multilayer multigranular optical cross-connects
IEEE Journal on Selected Areas in Communications
PetaStar: a petabit photonic packet switch
IEEE Journal on Selected Areas in Communications
Minimizing network cost in all-optical networks
ANTS'09 Proceedings of the 3rd international conference on Advanced networks and telecommunication systems
A novel optical packet switch architecture with reduced wavelength conversion complexity
HONET'09 Proceedings of the 6th international conference on High capacity optical networks and enabling technologies
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In this paper, we develop a new design approach to wavelength division multiplexing (WDM) optical interconnects with the objective of designing cost-effective and scalable interconnects. Our design philosophy strikes a balance between switching and conversion costs, and requires wavelength conversion only between two fixed and predefined wavelengths. The proposed design approach exploits the potential of the wavelength exchange optical crossbar (WOC)--a device that can switch signals simultaneously and seamlessly both in space and wavelength domains. We propose a novel crossbar switch that minimizes hardware and control complexity and use it as a building block for developing a new class of three-stage Clos-like WDM optical interconnects. The design space of the proposed interconnect is characterized and its hardware complexity is analyzed. We also show that the proposed crossbar switch and the new class of WDM interconnects admit most existing routing algorithms with simple modifications. In addition, we show that our design approach can be generalized to develop a class of k-stage N×N interconnects, 3 k ≤ 2 log2N - 1.