Optical Network Research at USC/ISI

Optical Network research at USC/ISI:

Current areas of focus :

• Optical computatation for in-network processing

Developing optical computing using the same symbols as are needed for long-distance communication.

Projects - Optical Turing Machine (OTM)

Overview

• J. Touch, “An Optical Turing Machine for Native Computing of Modulated Nework Data,” IEEE Computer Communications Workshop (CCW), Sedona, AZ, Nov. 2012.

Key technologies:

• Requirements for optical computation (in development)

• Optical Packet Switching

Developing optical aggregation using optical packet switches and supporting digital optical design elements.

Projects: DARPA Packets over Wavelengths (POW), NSF CIAN ERC

Key technologies:

• Optical packet switch architecture
  • J. Touch, J. Bannister, S. Suryaputra, “Packet Switch with Separate Look Ahead, Computation, and Shift Phases,” U.S. Patent  #8,306,047, Univ. of Southern California, Nov. 2012.
  • J. Touch, “Components developed for all-optical Internet router,” SPIE Newsroom article (PDF also available), Sept. 24, 2008.
  • S. Suryaputra, J. Touch, J. Bannister, “The Case of a Precognition Optical Packet Switch,” Proc. IEEE High-Speed Networks Workshop, Apr. 2009.
  • J. Touch, S. Suryaputra, J. Bannister, A. Willner, “Optical Packet Switch Using Forward-Shift SDLs,” (submitted), Oct. 2012.<
• Optical Internet checksum implementation
  • (under development)
• All-optical packet hopcount decrementer
  • J. McGeehan, S. Kumar, A. Willner, J. Bannister, J. Touch, “Optical Time-to-Live Decrementing and Subsequent Dropping of an Optical Packet ,” Proc. Optical Fiber Communication Conference (OFC), Atlanta, Mar. 23-28, 2003, pp. 8-10.
• All-optical packet header classifier
  • M. Hauer, J. McGeehan, J. Touch, P. Kamath, J. Bannister, E. Lyons, C. Lin, A. Au, H. Lee, D. Starodubov, and A. Willner, “Dynamically Reconfigurable All-Optical Correlators to Support Ultra-fast Internet Routing,” Proc. Optical Fiber Communications Conference (OFC), March 2002.
  • M. Hauer, J. McGeehan, S. Kumar, J, Touch, J. Bannister, E. Lyons, C. Lin, A. Lau, H. Lee, D. Starodubov, & A. Willner, “Optically-Assisted Internet Routing Using Arrays of Novel Dynamically Reconfigurable FBG-Based Correlators,”IEEE/OSA Journal of Lightwave Technology, Special Issue on Optical Networks, V21 N11, Dec. 2003, pp. 2765-2778.
• Hybrid optical-electrical packet switch architecture
  • J. Bannister, J. Touch, P. Kamath, A. Patel, J. McGeehan, A. Willner, “A Method to Forward Internet Packets Without Conversion from an Optical to an Electronic Format,” U.S. Patent #7,369,766, University of Southern California, Sept. 2001 (granted May 6, 2008).
  • J. Bannister, J. Touch, P. Kamath, A. Patel, “An Optical Booster for Internet Routers,” Invited Paper, Proc. Eighth International Conference on High Performance Computing, Hyderabad, India, Dec. 2001, pp. 339-413.

• LAN Architecture

Examining network-wide architectures and protocols to support shared use of network resources

Projects - DARPA OCDMA, DARPA Packets over Wavelengths (POW)

Key technologies:

• Code-cycle modulation
  • P. V. Kumar, R. Omrani, J. Touch, A. Willner, P. Saghari, “Code cycle modulation in optical code division multiple access systems,” U.S. Patent #7,616,618, Univ. of Southern California, Nov. 2005 (granted Nov. 10, 2009).
  • P. Kumar, R. Omrani, J. Touch, A. Willner, P. Saghari, “Three-Fold Increase in Number of Active Users in an O-CDMA System Using Novel Code-Cycle Modulation,” Proc. OFC 2005, Mar. 2005.
  • P. Kumar, R. Omrani, J. Touch, A. Willner, P. Saghari, “A Novel Optical CDMA Modulation Scheme: Code Cycle Modulation,” Proc. IEEE Globecom, Nov. 2006.
• MAC protocol, revising interference sensing and interference avoidance for OCDMA
  • P. Kamath, J. Touch, J. Bannister, “The Need for Media Access Control in Optical CDMA Networks,” Proc. Infocom 2004.
  • P. Kamath, J. D. Touch, J. A. Bannister, “Algorithms for Interference Sensing in Optical CDMA Networks,” Proc. IEEE International Conference on Communications (ICC), Paris, June 2004, pp. 1720-1724.
  • P. Kamath, J. D. Touch, and J. A. Bannister, "Interference Avoidance in Optical CDMA Networks,'' in IEEE Infocom Student Workshop, March 2005. [ .pdf ]
  • P. Kumar, R. Omrani, J. Touch, A. Willner, P. Saghari, “Three-Fold Increase in Number of Active Users in an O-CDMA System Using Novel Code-Cycle Modulation,” Proc. OFC 2005, Mar. 2005.
  • P. Saghari, P. Kamath, V. Arbab, M. Haghi, A. Willner, J. Bannister, J. Touch, “Experimental Demonstration of Interference Avoidance Protocol (Transmission Scheduling) for O-CDMA Networks,” Optics Express Journal, V15 N25, pp. 16442-16447, Dec. 2007. Previously: P. Saghari, P. Kamath, V. Arbab, M. Haghi, A. Willner, J. Bannister, J. Touch, “Experimental Demonstration of an Interference-Avoidance-Based Protocol for O-CDMA Networks,” Proc. OFC 2006, Mar. 2006.
• OCDMA code converter
  • D. Gurkan, S. Kumar, A. Sahin, A.Willner, K. Parameswaran, M. Fejer, D. Starodubov, J. Bannister, P. Kamath, and J. Touch, "All-Optical Wavelength and Time 2-D Code Converter for Dynamically-Reconfigurable OCDMA Networks Using a PPLN Waveguide,'' in Optical Fiber Communication Conference (OFC), Mar 2003, pp. 9-11. [ bib | .pdf ]
• Network architecture for OCDMA LANs
  • P. Kamath, J. D. Touch, and J. A. Bannister, "Optical CDMA Local Area Network Design Specification,'' in ISI Technical Report ISI-TR-, April 2004. [ .pdf ]
  • P. Kamath, J. D. Touch, and J. A. Bannister "Optical CDMA Wide Area Network Design,'' White paper,ISI Technical Report, April 2005 [ .pdf ]
• Network traffic aggregation protocol for LANs
  • S. Suryaputra, J. Touch, J. Bannister, “Simple Wavelength Assignment Protocol,” in Terabit Optical Networking: Architecture, Control, and Management Issues, John M. Senior, Sudhir Dixit, Chunming Qiao, Editors, Proceeding of SPIE Vol. 4213, pp. 220-233 (2000) (Proc. Photonics East). A previous version appeared as an ISI Technical report, TR-99-473, October 1999.
  • J. Bannister, J. Touch, A. Willner, S. Suryaputra, “How Many Wavelengths Do We Really Need in an Internet Optical Backbone?” in Protocols for High-Speed Networks VI, eds. J. Touch and J. Sterbenz, Kluwer, 1999.
  • K. Merchant, J. McGeehan, A. Willner, S. Ovadia, P. Kamath, J. Touch, J., Bannister, “Analysis of an Optical Burst Switching Router with Tunable Multiwavelength Recirculating Buffers,” IEEE/OSA Journal of Lightwave Technology, V23, N10, Oct. 2005, pp. 3302-3312. Previously: K. Merchant, J. McGeehan, A. Willner, S. Ovadia, P. Kamath, J. Touch, J. Bannister, “Performance Evaluation of a Router with Tunable Recirculating Buffers in an Optical Burst Switching Environment,” Proc. Broadnets 2004, San Jose, CA, Oct. 2004.