Effects of erbium-doped fiber amplifier induced pump noise on soliton Kerr frequency combs for 64-quadrature amplitude modulation transmission | Zendy

Peicheng Liao | Zendy; Changjing Bao | Zendy; Arne Kordts | Zendy; Maxim Karpov | Zendy; Martin H. P. Pfeiffer | Zendy; Lin Zhang | Zendy; Yinwen Cao | Zendy; Ahmed Almaiman | Zendy; A. Mohajerin-Ariaei | Zendy; Fatemeh Alishahi | Zendy; Ahmad Fallahpour | Zendy; Kaiheng Zou | Zendy; Moshe Tur | Zendy; Tobias J. Kippenberg | Zendy; Alan E. Willner | Zendy

Open Access

Effects of erbium-doped fiber amplifier induced pump noise on soliton Kerr frequency combs for 64-quadrature amplitude modulation transmission

Author(s) -

Peicheng Liao,

Changjing Bao,

Arne Kordts,

Maxim Karpov,

Martin H. P. Pfeiffer,

Lin Zhang,

Yinwen Cao,

Ahmed Almaiman,

A. Mohajerin-Ariaei,

Fatemeh Alishahi,

Ahmad Fallahpour,

Kaiheng Zou,

Moshe Tur,

Tobias J. Kippenberg,

Alan E. Willner

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.43.002495

Subject(s) - physics , quadrature amplitude modulation , optics , frequency comb , amplitude modulation , soliton , amplifier , phase noise , qam , optoelectronics , bit error rate , frequency modulation , telecommunications , laser , quantum mechanics , bandwidth (computing) , channel (broadcasting) , engineering , nonlinear system , cmos

We experimentally investigate the effects of erbium-doped fiber amplifier induced pump noise on soliton Kerr frequency combs for 64-quadrature amplitude modulation (QAM) transmission. We find that the optical carrier-to-noise ratios (OCNRs) of the comb lines across the C-band almost linearly depend on the pump OCNR and are similar for a constant input pump power and noise. For a specific three-soliton state, despite higher comb line power, there is no noticeable OCNR improvement compared to the single-soliton comb. When the ASE noise on the pump is varied by 10 dB in the stable single-soliton state, the comb linewidths remain relatively unchanged and similar to the pump linewidth. Furthermore, four lines of the single-soliton Kerr comb produced by a pump light at an OCNR larger than 52 dB are used as coherent light sources to transmit 20-Gbaud 64-QAM signals over a 25-km fiber with bit error rate below the forward-error correction threshold.

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