3 citations · 7 across the 4 of their papers we have counts for
7 papers
On Digital Subcarrier Multiplexing under A Bandwidth Limitation and ASE Noise
Junho Cho, Xi Chen, Greg Raybon +1
We show that digital subcarrier multiplexing (DSM) systems require much greater complexity for Nyquist pulse shaping than single-carrier (SC) systems, and it is a misconception tha…
Full C-Band WDM Transmission of Nonlinearity-Tolerant Probabilistically Shaped QAM over 2824-km Dispersion-Managed Fiber
Junho Cho, Xi Chen, Greg Raybon +3
By tailoring probabilistic constellation shaping (PCS) for nonlinearity tolerance, we experimentally demonstrate up to 1.1 dB increase in signal-to-noise ratio (SNR) and 6.4% incre…
Supply-Power-Constrained Cable Capacity Maximization Using Multi-Layer Neural Networks
Junho Cho, Sethumadhavan Chandrasekhar, Erixhen Sula +9
We experimentally solve the problem of maximizing capacity under a total supply power constraint in a massively parallel submarine cable context, i.e., for a spatially uncoupled sy…
Dual Polarization Full-Field Signal Waveform Reconstruction Using Intensity Only Measurements for Coherent Communications
Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gene +3
Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable contin…
Supply-Power-Constrained Cable Capacity Maximization Using Deep Neural Networks
Junho Cho, Sethumadhavan Chandrasekhar, Erixhen Sula +9
We experimentally achieve a 19% capacity gain per Watt of electrical supply power in a 12-span link by eliminating gain flattening filters and optimizing launch powers using machin…
Multi-wavelength arbitrary waveform generation through spectro-temporal unitary transformations
Mikael Mazur, Nicolas K. Fontaine, Haoshuo Chen +6
Temporal waveform manipulation is a fundamental functionality in optics and crucial for applications like optical communications, microwave photonics and quantum optics. Traditiona…