IEEE Montreal Section

Series of materials and devices based on metal oxide (hetero)nanostructures consisting of surface controlled quantum dots and rods building-blocks have been fabricated utilizing low-cost and large scale aqueous chemical growth. The electronic structure and basic structural, optical, and photoelectrochemical properties of such novel visible light-active oxide semiconductors based on vertically oriented quantum rod-arrays have been... Read more →

Series of materials and devices based on metal oxide (hetero)nanostructures consisting of surface controlled quantum dots and rods building-blocks have been fabricated utilizing low-cost and large scale aqueous chemical growth. The electronic structure and basic structural, optical, and photoelectrochemical properties of such novel visible light-active oxide semiconductors based on vertically oriented quantum rod-arrays have been... Read more →

Recent advances in 100 Gbit/s intensity modulation and directed detection systems are first reviewed. Then, the advantages of using digital-to-analog converters, analog-to-digital converters, and digital signal processors in the transmitter and receiver are presented by considering a specific implementation based on 16-ary quadrature-amplitude-modulation, half-cycle Nyquist-subcarrier-modulation. Based on directly modulated 56 Gbit/s passive feedback lasers, the... Read more →

Recent advances in 100 Gbit/s intensity modulation and directed detection systems are first reviewed. Then, the advantages of using digital-to-analog converters, analog-to-digital converters, and digital signal processors in the transmitter and receiver are presented by considering a specific implementation based on 16-ary quadrature-amplitude-modulation, half-cycle Nyquist-subcarrier-modulation. Based on directly modulated 56 Gbit/s passive feedback lasers, the... Read more →

The use of digital-to-analog and analog-to-digital converters (DACs and ADCs) and high-speed digital signal processing (DSP) in combination with powerful electro-optic subsystems has changed the landscape of high capacity optical communications. We review state-of-the-art DACs, ADCs, as well as DSP functions for software defined optical modems using rich modulation formats. These next generation optical transceivers... Read more →

The use of digital-to-analog and analog-to-digital converters (DACs and ADCs) and high-speed digital signal processing (DSP) in combination with powerful electro-optic subsystems has changed the landscape of high capacity optical communications. We review state-of-the-art DACs, ADCs, as well as DSP functions for software defined optical modems using rich modulation formats. These next generation optical transceivers... Read more →

Fiber Kerr nonlinearity imposes a limit on the achievable transmission performance and capacity of optical fiber communication link. In a recent Nature Photonics article (coauthored by X. Liu, A. R. Chraplyvy, P. J. Winzer, R. W. Tkach, and S. Chandrasekhar), we show that co-propagating a signal with its phase conjugated twin along a long-haul optical... Read more →

Fiber Kerr nonlinearity imposes a limit on the achievable transmission performance and capacity of optical fiber communication link. In a recent Nature Photonics article (coauthored by X. Liu, A. R. Chraplyvy, P. J. Winzer, R. W. Tkach, and S. Chandrasekhar), we show that co-propagating a signal with its phase conjugated twin along a long-haul optical... Read more →

In this era of smart computing, big data and deep analytics define the architecture of computers and the software that runs on these systems. The hardware technology is evolving to support the needs of the systems under the constraints of decreasing cost per performance, increasing bandwidth per unit area and constant power per unit volume... Read more →

In this era of smart computing, big data and deep analytics define the architecture of computers and the software that runs on these systems. The hardware technology is evolving to support the needs of the systems under the constraints of decreasing cost per performance, increasing bandwidth per unit area and constant power per unit volume... Read more →