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This paper introduces the concept of code selection in RSA for EONs. Simulations show that code-adaptive time frequency packing reduces blocking probability by one order of magnitude with respect to format-adaptive Nyquist WDM.
A flexible optical carrier source for bandwidth variable transponders (BV-Ts) managing a variable number of carriers at continuously variable free spectral range (FSR) up to 100 GHz is experimentally demonstrated. The photonic radio frequency (RF) synthesis allows achieving larger carrier spacing and simplified tuning without need of multiple RF clock sources. The cost and complexity of the scheme...
The path computation element (PCE) architecture was originally proposed with a stateless condition, i.e., considering only network reserved resources during constraint-based path computations. More recently, a stateful architecture was introduced to additionally maintain the state of computed and established label switch paths (LSPs). Furthermore, the PCE architecture evolved to active functionality,...
We propose an SBVT based on programmable multi-wavelength source with asymmetric channel spacing. SBVT, controlled by extended SDN, supporting 480 Gb/s super-channel and up to three sliceable optical flows is demonstrated in a network testbed.
Multiformat wavelength swapping is demonstrated. The operation is achieved at packet level through second order nonlinearities in PPLN waveguide. The experimental validation is provided by BER measurements using 40Gb/s DQPSK and 10Gb/s OOK signals.
Two impairment-aware PCE architectures suitable for multi bit-rate WSONs are presented. Experimental demonstration is provided on a real testbed including detrimental XPM effects among 10Gb/s OOK and 100Gb/s DP-QPSK.
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