Mode-division multiplexing phase-sensitive amplification for mode selective and mode equalized phase regenerative amplifications

Baining Ye; Jiangbing Du; Zhaonian Wang; Weihong Shen; Xinyi Chen; Xiaojie Guo; Zuyuan He

doi:10.1364/JOSAB.438222

Journal of the Optical Society of America B
Vol. 38,
Issue 12,
pp. F69-F80
(2021)
•https://doi.org/10.1364/JOSAB.438222

Mode-division multiplexing phase-sensitive amplification for mode selective and mode equalized phase regenerative amplifications

Baining Ye, Jiangbing Du, Zhaonian Wang, Weihong Shen, Xinyi Chen, Xiaojie Guo, and Zuyuan He

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Baining Ye, Jiangbing Du, Zhaonian Wang, Weihong Shen, Xinyi Chen, Xiaojie Guo, and Zuyuan He, "Mode-division multiplexing phase-sensitive amplification for mode selective and mode equalized phase regenerative amplifications," J. Opt. Soc. Am. B 38, F69-F80 (2021)

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- Light Sources and Amplifiers
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About this Article
History
- Original Manuscript: July 21, 2021
- Revised Manuscript: September 22, 2021
- Manuscript Accepted: September 23, 2021
- Published: October 18, 2021
Virtual Issues
JOSA B Feature Issue: Specialty Optical Fiber Modeling, Fabrication, and Characterization (2021)

Abstract

In this work, mode-division multiplexing (MDM) phase-sensitive amplification (PSA) for all-optical mode selective and mode equalized phase regeneration is presented and investigated. MDM PSA relies on reasonable phase-matching conditions, which makes intramode four-wave mixing in the fiber much stronger than that of cross-mode. It enables multimode signals to interact mainly with the same spatial mode pumps and idlers. Thus, MDM signals can obtain synchronous phase regeneration and avoid cross talk with different mode signals. To achieve this, we designed an appropriate few-mode fiber by an inverse design method based on a neural network for obtaining the desired phase mismatch and low modal dispersion. The results show that effective phase regeneration can be achieved for the degraded 40 Gbit/s binary phase shift keying (BPSK) and quadrature phase shift keying (QPSK) signals. For BPSK signals, error vector magnitudes (EVMs) of the regenerated signal on two modes are reduced from $-{8.013}\;{\rm dB}$ and $-{8.068}\;{\rm dB}$ to $-{24.867}\;{\rm dB}$, and $-{26.090}\;{\rm dB}$, respectively. For QPSK signals, the EVMs are reduced from $-{16.767}\;{\rm dB}$ and $-{16.583}\;{\rm dB}$ to $-{24.867}\;{\rm dB}$ and $-{24.822}\;{\rm dB}$, respectively.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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(µm)	min	max		min	max
$r_{1}$	1.3	1.	$Δ n_{1}$	0.022	0.024
$r_{2}$	2	2.2	$Δ n_{2}$	0.01	0.013
$r_{3}$	2.2	2.4	$Δ n_{3}$	0.019	0.021
$r_{4}$	4.1	4.9	$Δ n_{4}$	0.017	0.019

plmn	1111	1112	1121	1122	1211	1212
$γ (/ W / m)$	$2.97 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.43 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.43 \times 10^{- 3}$
$Δ β (/ m)$	$- 0.32 \times 10^{- 2}$	$2.99 \times 10^{4}$	$2.98 \times 10^{4}$	$- 1.23 \times 10^{2}$	$2.99 \times 10^{4}$	$- 1.22 \times 10^{2}$
plmn	1221	1222	2111	2112	2121	2122
$γ (/ W / m)$	$1.43 \times 10^{- 3}$	$1.64 \times 10^{- 3}$	$1.45 \times 10^{- 3}$	$1.21 \times 10^{- 3}$	$1.21 \times 10^{- 3}$	$1.36 \times 10^{- 3}$
$Δ β (/ m)$	$5.98 \times 10^{4}$	$2.99 \times 10^{4}$	$- 3.01 \times 10^{4}$	$- 6.01 \times 10^{4}$	$- 1.23 \times 10^{2}$	$- 3.01 \times 10^{4}$
plmn	2211	2212	2221	2222
$γ (/ W / m)$	$1.21 \times 10^{- 3}$	$1.36 \times 10^{- 3}$	$1.36 \times 10^{- 3}$	$1.87 \times 10^{- 3}$
$Δ β (/ m)$	$- 1.27 \times 10^{2}$	$- 3.01 \times 10^{4}$	$2.99 \times 10^{4}$	$- 0.27 \times 10 - 2$

(µm)	min	max		min	max
$r_{1}$	1.3	1.	$Δ n_{1}$	0.022	0.024
$r_{2}$	2	2.2	$Δ n_{2}$	0.01	0.013
$r_{3}$	2.2	2.4	$Δ n_{3}$	0.019	0.021
$r_{4}$	4.1	4.9	$Δ n_{4}$	0.017	0.019

plmn	1111	1112	1121	1122	1211	1212
$γ (/ W / m)$	$2.97 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.43 \times 10^{- 3}$	$1.62 \times 10^{- 3}$	$1.43 \times 10^{- 3}$
$Δ β (/ m)$	$- 0.32 \times 10^{- 2}$	$2.99 \times 10^{4}$	$2.98 \times 10^{4}$	$- 1.23 \times 10^{2}$	$2.99 \times 10^{4}$	$- 1.22 \times 10^{2}$
plmn	1221	1222	2111	2112	2121	2122
$γ (/ W / m)$	$1.43 \times 10^{- 3}$	$1.64 \times 10^{- 3}$	$1.45 \times 10^{- 3}$	$1.21 \times 10^{- 3}$	$1.21 \times 10^{- 3}$	$1.36 \times 10^{- 3}$
$Δ β (/ m)$	$5.98 \times 10^{4}$	$2.99 \times 10^{4}$	$- 3.01 \times 10^{4}$	$- 6.01 \times 10^{4}$	$- 1.23 \times 10^{2}$	$- 3.01 \times 10^{4}$
plmn	2211	2212	2221	2222
$γ (/ W / m)$	$1.21 \times 10^{- 3}$	$1.36 \times 10^{- 3}$	$1.36 \times 10^{- 3}$	$1.87 \times 10^{- 3}$
$Δ β (/ m)$	$- 1.27 \times 10^{2}$	$- 3.01 \times 10^{4}$	$2.99 \times 10^{4}$	$- 0.27 \times 10 - 2$

Abstract

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Figures (15)

Tables (2)

Equations (2)

Journal of the Optical Society of America B