Abstract

Optical data format de-aggregation enables the conversion from a single higher-order phase-encoded data channel coming from a high-bandwidth network into two amplitude-modulated signals that may be commonly used in lower-bandwidth local information systems. We experimentally demonstrate the optical de-aggregation of a 10-Gbit/s quadrature phase-shift keyed (QPSK) signal into two 5-Gbit/s on-off keyed (OOK) signals. Using wave mixing in a highly nonlinear fiber (HNLF), we apply two optical effects simultaneously to the input signal: (a) constellation squeezing, in which the 10-Gbit/s QPSK signal is de-aggregated into two different 5-Gbit/s binary phase-shift keying (BPSK) signals, and (b) constellation biasing, in which the coherent addition of a continuous-wave (CW) bias and the two BPSK signals shifts the data constellation points, resulting in only amplitude modulation and two different 5-Gbit/s OOK …

Metadata

publication

Optics Letters 50 (3), 788-791, 2025

year

2025

publication date

2025/1/21

authors

Narek Karapetyan, Amir Minoofar, Abdulrahman Alhaddad, Wing Ko, Hongkun Lian, Muralekrishnan Ramakrishnan, Huibin Zhou, Moshe Tur, Jonathan L Habif, Alan E Willner

link

https://opg.optica.org/abstract.cfm?uri=ol-50-3-788

resource_link

https://opg.optica.org/viewmedia.cfm?uri=ol-50-3-788&seq=0&html=true

journal

Optics Letters

volume

50

issue

3

pages

788-791

publisher

Optica Publishing Group