Spectral efficiency optimization in flexi-grid long-haul optical systems
Flexible grid optical networks allow a better exploitation of fiber capacity, by enabling a
denser frequency allocation. A tighter channel spacing, however, requires narrower filters …
denser frequency allocation. A tighter channel spacing, however, requires narrower filters …
Overcoming filtering penalties in flexi-grid long-haul optical systems
Flexible grid optical networks allow a better exploitation of fiber capacity, by enabling a
denser frequency allocation. A tighter channel spacing, however, requires narrower filters …
denser frequency allocation. A tighter channel spacing, however, requires narrower filters …
Maximizing fiber capacity in flex-grid coherent systems through symbol rate optimization
A Lorences-Riesgo, D Le Gac… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
We demonstrate that, in an actual network, maximizing the transmission spectral efficiency
requires not only to take into account transceiver impairments, but also to consider WSS …
requires not only to take into account transceiver impairments, but also to consider WSS …
Link design and legacy amplifier limitation in flex-grid optical networks
D Amar, N Brochier, E Le Rouzic, JL Auge… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
Flex-grid technology is an effective means to improve the spectral efficiency of optical
communication. For a given amplifier spectral bandwidth, it gives rise to the increase in the …
communication. For a given amplifier spectral bandwidth, it gives rise to the increase in the …
Flex-grid optical networks: spectrum allocation and nonlinear dynamics of super-channels
Flex-grid optical networks have evolved as a near-future deployment option to facilitate
dynamic and bandwidth intense traffic demands. These networks enable capacity gains by …
dynamic and bandwidth intense traffic demands. These networks enable capacity gains by …
Evolution from wavelength-switched to flex-grid optical networks
This chapter reviews the basics of Dense Wavelength Division Multiplexing (DWDM) and
shows how this will be superseded by a more flexible use of the optical fibre spectrum …
shows how this will be superseded by a more flexible use of the optical fibre spectrum …
Effect of link margin and frequency granularity on the performance of a flexgrid optical network
We show how dynamically adjustable modulation formats can be used to reduce link
margins in flexgrid networks, reverting to lower order QAM due to reduced OSNR, if ageing …
margins in flexgrid networks, reverting to lower order QAM due to reduced OSNR, if ageing …
Spectrum efficient super-channels in dynamic flexible grid networks–A blocking analysis
S Thiagarajan, M Frankel, D Boertjes - Optical Fiber Communication …, 2011 - opg.optica.org
Conference title, upper and lower case, bolded, 18 point type, centered Page 1 Spectrum
Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis …
Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis …
Designing transparent flexible-grid optical networks for maximum spectral efficiency
J Pedro - Journal of Optical Communications and Networking, 2017 - opg.optica.org
Higher-order modulation formats and spectral super-channels are key to maximizing
spectral efficiency (SE) in next-generation optical transport networks, thereby …
spectral efficiency (SE) in next-generation optical transport networks, thereby …
Full flex-grid asynchronous multiplexing demonstrated with Nyquist pulse-shaping
We demonstrate full flex-grid operation with Nyquist frequency division multiplexing. The
technique supports high spectral efficiency, asynchronous operation of channels, variable …
technique supports high spectral efficiency, asynchronous operation of channels, variable …