Abstract：
:We fabricate a nonlinear optical device based on a fiber pigtail cross-section coated with a single-layer graphene grown by chemical vapor deposition (CVD) method. Using the fabricated graphene-assisted nonlinear optical device and employing Nyquist 16-ary quadrature amplitude modulation (16-QAM) signal, we experimentally demonstrate phase conjugated wavelength conversion by degenerate four-wave mixing (FWM) and transparent wavelength conversion by non-degenerate FWM in graphene. We study the conversion efficiency as functions of the pump power and pump wavelength and evaluate the bit-error rate (BER) performance. We also compare the time-varying symbol sequence for graphene-assisted phase conjugated and transparent wavelength conversions of Nyquist 16-QAM signal.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Hu X,Zeng M,Long Y,Liu J,Zhu Y,Zou K,Zhang F,Fu L,Wang Jdoi
10.1038/srep22379subject
Has Abstractpub_date
2016-03-02 00:00:00pages
22379issn
2045-2322pii
srep22379journal_volume
6pub_type
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