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Engineers working to miniaturize optical systems for modern electronics have seen great success when it comes to the most familiar components, the lenses and optical sensors. It’s been more challengin...
Ultimate Limits of Effective Area and Attenuation for High Data Rate Fibers
Fiber design fabrication Fiber characterization
2015/5/25
High data rate telecommunication networks operating at 100 Gb/s require low loss fibers with very large effective areas to mitigate nonlinearities. The state of the art fiber technologies needed to ac...
Based on traffic models the energy consumption of adaptive networks is compared to networks with constant power consumption. The results show that adaptive network resource allocation serves to reduce...
OFDM Spectral Efficiency Limits from Fiber and System Non-Linearities
Fiber optic communication Modulation
2015/6/8
Coherent optical OFDM systems offer a straight-forward approach to address high spectral effi-ciency. Non-linear impairments set limits to the maximum spectral efficiency. The limiting effects are ex-...
Investigating the Limits of Optical Packet Transmission Through Cascaded Transient-Suppressed EDFAs Without Regeneration or Active Gain Control
Erbium Fibers Packet-Switched Networks
2015/6/8
Using a transmission loop, we show the maximum number of cascaded conventional-EDFAs is gain-transient limited for packet transmission and demonstrate error-free, noise limited packet transmission acr...
The fundamental power scaling limits for diffraction limited fiber lasers are reviewed.Relationships between the limits show there is an upper bound for single aperture power of conventional fiber las...
Non-Linear Propagation Limits and Optimal Dispersion Map for 222 Gbit/s WDM Coherent PM-16QAM transmission
Propagation Limits Optimal Dispersion WDM Coherent transmission
2015/7/17
We investigate through simulation the impact of non-linear propagation on 222Gbit/s WDM coherent PM-16QAM. We show that the best performance is achieved using full electronic dispersion compensation, ...
Optical Comb and Filter Bank (De)Mux Enabling 1 Tb/s Orthogonal Sub-band Multiplexed CO-OFDM Free of ADC/DAC Limits
Optical Comb Filter Bank (De)Mux Enabling Multiplexed CO-OFDM ADC/DAC Limits
2015/7/17
Realizations of 100-1000Gb/s CO-OFDM are hindered by electronic ADC/DAC rates. By(de)multiplexing the OFDM sub-bands by means of optical-comb generators with repetition rate matched to sub-band separa...
Exploring capacity limits of fibre-optic communication systems
Exploring capacity limits fibre-optic communication systems
2015/7/30
The problem of evaluating the maximum rate of transmission of information, or capacity, of fibre-optic communication systems is discussed. We will describe a procedure we developed to derive a lower b...
MLSE receivers:Application Scenarios,Fundamental Limits and Experimental Validations
MLSE receivers Application Scenarios Fundamental Limits
2015/7/30
Electronic post-processing techniques based on MLSE (Maximum Likelihood Sequence Detection) for the mitigation/compensation of fiber linear (CD, PMD) and non-linear (SPM and other intra-channel) propa...