Phase-sensitive QPSK channel phase quantization by amplifying the fourth-harmonic idler using counter-propagating Brillouin amplification

被引：12

作者：

Almaiman, Ahmed ^{[1
]}

Cao, Yinwen ^{[1
]}

Mohajerin-Ariaei, Amirhossein ^{[1
]}

Ziyadi, Morteza ^{[1
]}

Liao, Peicheng ^{[1
]}

Bao, Changjing ^{[1
]}

Alishahi, Fatemeh ^{[1
]}

Fallahpour, Ahmad ^{[1
]}

Shamee, Bishara ^{[1
]}

Akasaka, Youichi ^{[2
]}

Ikeuchi, Tadashi ^{[2
]}

Wilkinson, Steven ^{[3
]}

Touch, Joseph D.

Tur, Moshe ^{[4
]}

Willner, Alan E. ^{[1
]}

机构：

[1] Univ Southern Calif, Dept Elect Engn, Los Angeles, CA 90089 USA

[2] Fujitsu Labs Amer, 2801 Telecom Pkwy, Richardson, TX 75082 USA

[3] Raytheon Co, El Segundo, CA 90245 USA

[4] Tel Aviv Univ, Sch Elect Engn, IL-69978 Ramat Aviv, Israel

来源：

OPTICS COMMUNICATIONS | 2018年 / 423卷

基金：

美国国家科学基金会;

关键词：

All-optical phase regeneration; Phase-sensitive amplification; Wavelength conversion; Four-wave mixing; LOCKED LOOP; REGENERATION; SIGNAL; SCATTERING;

D O I：

10.1016/j.optcom.2018.04.003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally demonstrate all-optical phase-sensitive quantization of a 10-20 Gbaud quadrature phase-shift keying (QPSK) signal's phase without an active phase-locked loop (PLL) by utilizing Brillouin amplification (BA) to amplify the fourth-harmonic idler without path separation, allowing the pump, signal, third-harmonic idler and amplified fourth-harmonic idler to remain synchronized in the phase. We observe up to 65% reduction in phase noise and 4.6 dB gain at a bit-error rate (BER) of 10(-4) over 36 min of continues operation.

引用

页码：48 / 52

页数：5

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