Experimental demonstration of EON node supporting reconfigurable optical superchannel multicasting

Area of Science:

• Optical networking
• Telecommunications engineering

Background:

• Elastic optical networks (EON) offer enhanced spectral flexibility through optical superchannels.
• Network nodes require advanced all-optical functionalities to manage dynamic bandwidth traffic.

Purpose of the Study:

• To propose and demonstrate a novel EON node structure enabling reconfigurable optical superchannel multicasting.
• To address the need for efficient manipulation of bandwidth-variable data traffic in optical networks.

Main Methods:

• Design of an EON node incorporating a shared multicasting module with nonlinear devices.
• Utilization of an optical comb for managing pump resources in multicasting.
• Experimental demonstration of polarization division multiplexing (PDM) superchannel multicasting scenarios.

Main Results:

• Successful demonstration of reconfigurable optical superchannel multicasting.
• Achieved less than 0.7 dB optical signal-to-noise ratio (OSNR) penalties across various multicasting configurations.
• Efficient management of pump resources using an optical comb, potentially reducing costs and inhibiting phase noise.

Conclusions:

• The proposed EON node structure effectively supports reconfigurable optical superchannel multicasting.
• The demonstrated node design minimizes signal degradation, crucial for advanced optical communication systems.
• The integration of an optical comb offers a cost-effective and performance-enhancing solution for multicasting in EONs.