Technical Papers

• Building Agile Optical Networks [867 KB]
  Serge Melle
  Paper presented at 2008 Optical Fiber Communications conference/National Fiber Optic Engineer's Conference, Anaheim, CA, Feb. 24-28, 2008

  Digital Optical Networks enabled by photonic integration provide service, hardware and operational agility in optical networks. We present how this enables bandwidth virtualization, unconstrained digital ROADM reconfigurability, and OpEx savings demonstrated in a case study.

• Digital Virtual Concatenation Protocol Enables Super-Wavelength 40G Service Transmission over Trans-Oceanic and High PMD Networks [224 KB]
  Steve Armstrong, Steve Grubb, Ilya Lyubomirsky, Serge Melle, Pierre Mertz, Duc Nygen, Mike VanLeeuwen and Vijay Vusirikala
  Paper presented at 2008 Optical Fiber Communications conference/National Fiber Optic Engineer's Conference, Anaheim, CA, Feb. 24-28, 2008

  Digital Virtual Concatenation allows service transmission of high-bandwidth services over existing WDM infrastructures. Results are presented showing 40Gb/s service transmission over a 2000km link with 65ps peak PMD, and over a 8,477km trans-oceanic network.

• Network Cost Savings from Router Bypass in IP over WDM Core Networks [569 KB]
  Serge Melle, Drew Perkins and Curtis Villamizar
  Paper presented at 2008 Optical Fiber Communications conference/National Fiber Optic Engineer's Conference, Anaheim, CA, Feb. 24-28, 2008

  Optimization of IP and WDM network architecture using IP router link bypass provides cost savings in both layers. Results indicate that optimal level of router bypass varies with total traffic volume and router interface speed.

• Monolithic, 10 and 40 Channel InP Receiver Photonic Integrated Circuits with On-Chip Amplification [270 KB]
  R. Nagarajan, M. Kato, et al.
  Post-deadline paper presented at OFC/NFOEC 2007

  We demonstrate a high speed, high channel count, dense wavelength division multiplexed (DWDM) InP receiver photonic integrated circuit with on-chip amplification.

• Network Planning and Architecture Analysis of Wavelength Blocking in Optical and Digital ROADM Networks [0.98 MB]
  Serge Melle and Vijay Vusirikala
  Presented at OFC/NFOEC2007, Anaheim, CA, March 25-29, 2007

  Detailed network planning analysis indicates wavelength blocking in all-optical ROADM networks incurs additional OEO for wavelength conversion, and constrains service reconfiguration. Analyses show that digital ROADM systems mitigate these problems and may provide greater service flexibility.

• Digital Protection for Ethernet and Video Transport Oriented Metro Optical Networks [187 KB]
  Vijay Vusirikala and Serge Melle
  Presented at OFC/NFOEC2007, Anaheim, CA, March 25-29, 2007

  We describe a digital protection scheme based on integrated sub-wavelength switching that is optimized for Ethernet and video-transport oriented metro optical networks. Results from a quantitative analysis illustrate the significant benefits over traditional protection methods.

• Single-chip 40-channel InP transmitter photonic integrated circuit capable of aggregate data rate of 1.6Tbit/s [526 KB]
  R. Nagarajan, M. Kato, et al.
  Electronics Letters, Vol. 42 No. 13, (22nd June 2006)

  A single-chip 40-channel dense wavelength division multiplexed, monolithic, InP transmitter photonic integrated circuit capable of operating at per channel data rate of 40 Gbit/s for a combined data rate of 1.6 Tb/sec.

• Wide temperature (25-85ºC)/coolerless operation of 100Gbit/s DWDM photonic integrated circuit [102 KB]
  R. Nagarajan, M. Kato, et al.
  Electronics Letters Vol. 41 No. 10 (May 12, 2005)

  A 10-channel dense wavelength division multiplexed (DWDM) photonic integrated circuit is demonstrated that is capable of transmitting data at 10 Gbit/s per channel for an aggregate data transmission rate of 100 Gbit/s, operating without temperature stabilisation between 25 and 85ºC.

• Network Planning and Economic Analysis of an Innovative New Optical Transport Architecture: The Digital Optical Network [386 KB]
  Serge Melle, Rick Dodd, et al.
  OFC/NFOEC2005, Anaheim, CA, March 5-9, 2005

  This paper describes the attributes and network implications of a new network architecture, termed the Digital Optical Network, based on the use of recently developed large-scale photonic integrated circuits to implement frequent, affordable OEO conversion within an optical transport network.

• 400 Gbit/s (10 channel x 40 Gbit/s) DWDM photonic integrated circuits [146 KB]
  R. Nagarajan, M. Kato, et al.
  Electronics Letters, Vol. 41 No. 6 (17th March 2005)

  A 10 channel transmitter and receiver DWDM Photonic Integrated Circuit pair capability demonstration with transmition and receipt of data at 40Gbit/s per channel for an aggregate data communication rate of 400Gbit/s.

• Large-Scale Photonic Integrated Circuits [1.56 MB]
  R. Nagarajan, C. Joyner, et al.
  IEEE Journal of Selected Topics in Quantum Electronics, Vol. 11, No. 1 (Jan/Feb 2005)

  In this paper, 100Gb/s dense wavelength division multiplexed (DWDM) transmitter and receiver photonic integrated circuits (PICs) are demonstrated. The transmitter is realized through the integration of over 50 discrete functions onto a single monolithic InP chip. The resultant DWDM PICs are capable of simultaneously transmitting and receiving ten wavelengths at 10Gb/s on a DWDM wavelength grid. Optical system performance results across a representative DWDMlong-haul link are presented for a next-generation optical transport system using these large-scale PICs. The large-scale PIC enables significant reductions in cost, packaging complexity, size, fiber coupling, and power consumption.

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