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Presented is an experimental investigation on phase recovery time in semiconductor optical amplifiers (SOAs). The experiment is carried out using an integrated SOA-based Mach-Zehnder interferometer switch, under the injection of 2 ps optical pump pulses at 10 GHz. The phase recovery is derived from the measured output of the interferometer. An ultrafast component in the phase recovery is observed,...
The details of a monolithically integrated, five-channel, dual carrier/wavelength per channel, polarisation multiplexed, coherent QPSK receiver on InP operating at 114 Gbit/s per channel are discussed.
A 10-wavelength, polarization-multiplexed, monolithically integrated InP transmitter PIC is demonstrated for the first time to operate at 112 Gb/s per wavelength with a coherent receiver PIC.
By leveraging on the wealth of Si-CMOS technology know-how and the largely available infrastructures, the fundamental photonic device building blocks and circuit integration platform, essential for the realization of the electronic-photonic integrated circuit (EPIC), have been successfully developed. This presentation gives an overview on the current status of this critical technology and provides...
Traditional backbone optical networks can take months to provision a wavelength connection. Future optical networking aims at reducing the provisioning time to a few minutes. In conjunction, new services that allow the customers to dynamically set up and take down their connections is emerging. In this paper, we introduce the problem of optimizing network resources on a reconfigurable optical backbone...
This paper reports a novel silicon platform with integrated MEMS actuators, which is used for fine-positioning and locking of a ball-lens, to address the optical coupling issues in silicon photonics packaging. The fine-positioning and locking function of the ball-lens have been successfully demonstrated by the developed prototype silicon platform. The main adjusting actuator delivered a large force...
A silicon waveguide based splitter is a key device for polarization diversity circuit. A bilayer waveguide structure was proposed by MIT to split the input light into its orthogonal components. It is challenging to fabricate a bilayer silicon waveguide by the conventional two-step-etching process due to precise alignment and accurate etch thickness required. In addition, the partial etched waveguide...
Research into the limits of electrical interconnects indicates that metal wire is unlikely to be the ultimate solution to support the growing functionalities of next generation microprocessor. Severe information latency and power consumption are key technological challenges facing the traditional copper interconnects which impose tremendous constraints to keep up with the performance roadmap known...
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