Demonstration of Cascaded In-Line Single-Pump Fiber Optical Parametric Amplifiers in Recirculating Loop Transmission

Lali-Dastjerdi, Zohreh; Ozoliņš, Oskars; An, Yulong; Cristofori, Valentina; Ros, Francesco Da; Kang, Ning; Hu, Hao; Mulvad, Hans Christian Hansen; Rottwitt, Karsten; Galili, Michael; Peucheret, Christophe

doi:10.1364/eceoc.2012.mo.2.c.5

Cited by 10 publications

(6 citation statements)

References 7 publications

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“…In [10] it has been experimentally shown that an OSNR penalty of less than 1 dB after amplification with PI-FOPA is achievable for 16-QAM signals provided that the output pump power is at least 17 dB larger than the overall output signal power. The experimental use of PI-FOPA as an inline amplifier for WDM systems has been demonstrated in [2,11].…”

Section: Ultimate Performance Of Pi-fopasmentioning

confidence: 99%

Perspectives of long-haul WDM transmission systems based on phase-insensitive fiber-optic parametric amplifiers

Jazayerifar

Sackey

Elschner

et al. 2015

2015 IEEE Summer Topicals Meeting Series (SUM)

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Section: Ultimate Performance Of Pi-fopasmentioning

confidence: 99%

Perspectives of long-haul WDM transmission systems based on phase-insensitive fiber-optic parametric amplifiers

Jazayerifar

Sackey

Elschner

et al. 2015

2015 IEEE Summer Topicals Meeting Series (SUM)

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“…Some studies have demonstrated inline-amplified transmission with an HNLF-based OPA. With a single-channel signal, 4×80-km dispersion-managed transmission using a single-polarization 40-Gbps on-off keying modulated signal with the OPA compensating for the span-loss compensation of 20 dB has been reported [18]. With a WDM signal, inlineamplified transmission over 25.2-km single-mode-fiber (SMF) spans using a 20-ch 50-GHz-spaced WDM signal with 100-Gbps polarization-division-multiplexed (PDM)-quadrature phase shift keying (QPSK) signals has been reported [19]; its amplification bandwidth is 1 THz.…”

Section: Introductionmentioning

confidence: 99%

Wide-Band Inline-Amplified WDM Transmission Using PPLN-Based Optical Parametric Amplifier

Kobayashi

Shimizu

Nakamura

et al. 2021

J. Lightwave Technol.

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This paper proposes an optical parametric amplifier (OPA), as an inline-repeater, using a periodically-poled-LiNbO3 (PPLN) waveguide with over-10-THz amplification bandwidth, and also presents wide-band wavelength-division-multiplexing (WDM) inline-amplified transmission with the OPA. Our PPLNbased OPA is polarization-independent and has a spectrally efficient configuration by filtering phase-conjugated signals (idlers). We implemented our PPLN-based OPA with half its ideal configuration with an over-10-THz amplification bandwidth because of the limited number of PPLN waveguides. The implemented OPA had 5.125-THz amplification bandwidth, gain of beyond 15 dB, and noise figure of less than 5.1-dB. The gain excludes the 5.6-dB loss of an idler rejection filter employed in the transmission experiment so that the implemented OPA can compensate 9.5-dB link loss of transmission fibers and optical components. A 3 × 30.8-km inline-amplified transmission with 41channel 800-Gbps WDM signal in 125-GHz spacing was successfully demonstrated using our PPLN-based OPA as an inline-repeater. The results also indicate that the OPA's amplification bandwidth can potentially be extended to 10.25 THz.

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“…However, due to the OSNR degradation from the FOPA loss, as well as other added noise, overall system performance would have been improved by bypassing this FOPA completely. In another paper, multiple FOPA amplifications were performed for a single 40Gb/s DPSK signal transmitted within a recirculating loop containing 80km of SSMF [19]. This is the only previous demonstration of cascaded in-line FOPA amplification, but it was a non-PI architecture, and thus the pump and signal required manual polarization alignment and this would not be scalable to DWDM operation.…”

Section: Introductionmentioning

confidence: 99%

In-line and cascaded DWDM transmission using a 15dB net-gain polarization-insensitive fiber optical parametric amplifier

Stephens¹,

Tan²,

Gordienko³

et al. 2017

Opt. Express

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We demonstrate and characterize polarization-division multiplexed (PDM) DWDM data transmission for the first time in a range of systems incorporating a net-gain polarization-insensitive fiber optical parametric amplifier (PI-FOPA) for loss compensation. The PI-FOPA comprises a modified diversity-loop architecture to achieve 15dB net-gain, and up to 2.3THz (~18nm) bandwidth. Three representative systems are characterized using a 100Gb/s PDM-QPSK signal in conjunction with emulated DWDM neighbouring channels: (a) a 4x75km in-line fiber transmission system incorporating multiple EDFAs and a single PI-FOPA (b) N cascaded PI-FOPA amplification stages in an unlevelled Nx25km recirculating loop arrangement, with no EDFAs used within the loop signal path, and (c) M cascaded PI-FOPA amplification stages as part of an Mx75.6km gain-flattened recirculating loop system with the FOPA compensating for the transmission fiber loss, and EDFA compensation for loop switching and levelling loss. For the 4x75km in-line system (a), we transmit 45x50GHz-spaced signals ('equivalent' data-rate of 4.5Tb/s) with average OSNR penalty of 1.3dB over the band at 10 BER. For the unlevelled 'FOPA-only' 25.2km cascaded system (b), we report a maximum of eight recirculations for all 10x100GHz-spaced signals, and five recirculations for 20x50GHz-spaced signals. For the 75.6km levelled system

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Demonstration of Cascaded In-Line Single-Pump Fiber Optical Parametric Amplifiers in Recirculating Loop Transmission

Abstract: Abstract

Cited by 10 publications

References 7 publications

Perspectives of long-haul WDM transmission systems based on phase-insensitive fiber-optic parametric amplifiers

Perspectives of long-haul WDM transmission systems based on phase-insensitive fiber-optic parametric amplifiers

Wide-Band Inline-Amplified WDM Transmission Using PPLN-Based Optical Parametric Amplifier

In-line and cascaded DWDM transmission using a 15dB net-gain polarization-insensitive fiber optical parametric amplifier

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