Simultaneous all-optical transparent phase multiplexing/de-multiplexing based on FWM in a HNLF

Wen, Yu-Hsiang; Ho, Jia-Wei; Feng, Kai-Ming

doi:10.1364/ofc.2016.w4d.1

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…For example, the conventional on-off-keying (OOK) signal could be converted to binary phase-shift keying (BPSK), quadrature PSK (QPSK), or 8PSK signal by using the cross-phase modulation (XPM) effect [5]. Conversion from two BPSK signals to a QPSK signal has been demonstrated by employing four-wave mixing (FWM) in highly nonlinear fiber (HNLF) [6]. A QPSK and an OOK signal can convert to an 8-ary quadrature amplitude modulation (8QAM) signal by using XPM and cross gain modulation (XGM) in a semiconductor optical amplifier (SOA) [7].…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, inverse conversions from a higher-order signal into multiple lower-order signals have also been studied. Numerous conversions from one QPSK to two BPSK signals using FWM [6] or phase sensitive amplification (PSA) [8]- [12] have been performed. Similarly, considerable research on the format of the 16-ary quadrature amplitude modulation (16QAM) into two 4 amplitude-phase-shift keying (4-APSK) signals [13]- [17] or two QPSK signals [18] have also been demonstrated.…”

Section: Introductionmentioning

confidence: 99%

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Design of All-Optical Modulation Format Converter From One 8PSK to Two QPSK Signals Based on Phase Sensitive Amplification in Elastic Optical Network

et al. 2019

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Flexible conversion between modulation formats enables intelligent grooming techniques for an elastic optical network (EON) aimed at dynamical spectral efficiency allocation in optical fiber transmission. In this paper, we propose and demonstrate an all-optical modulation format conversion scheme between an 8-ary phase shift keying (8PSK) signal and two quadrature phase shift keying (QPSK) signals based on phase-sensitive amplification in highly nonlinear fiber. Benefiting from two simultaneous but different phase-squeezing processes, the two QPSK signals can be obtained simultaneously to avoid the loss of original information. The system transfer functions show the feasibility of the proposed scheme, and the system performance is evaluated by input-output constellations, calculated error vector magnitude (EVM), and bit error rate (BER) in numerical simulation. At BER of 3.8 × 10 −3 , about 5-dB optical signal-tonoise-ratio (OSNR) improvement between the input 8PSK signal and output QPSK signals can be observed. Furthermore, several potential applications in optical fiber transmission can also be found based on the converter. INDEX TERMS Elastic optical network, 8-ary phase shift keying, modulation format converter, phase sensitive amplification, quadrature phase shift keying.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design of All-Optical Modulation Format Converter From One 8PSK to Two QPSK Signals Based on Phase Sensitive Amplification in Elastic Optical Network

et al. 2019

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Multifunctional all-optical signal processing scheme for wavelength-division-multiplexing multicast, wavelength conversion, format conversion, and all-optical encryption using hybrid modulation format exclusive-OR gates based on four-wave mixing in highly nonlinear fiber

Wang

Zhang

et al. 2018

Appl. Opt.

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A multifunctional optical signal processing scheme for 10-Gbaud quadrature phase shift keying (QPSK) and binary phase shift keying (BPSK) signals based on four-wave mixing (FWM) in highly nonlinear fiber (HNLF) is proposed. Wavelength-division-multiplexing (WDM) multicast, wavelength conversion, modulation format conversion, and hybrid modulation format exclusive-OR (HMF-XOR) logic gates are realized simultaneously by simulation. One-to-three WDM multicast of 20-Gbps QPSK signals are achieved paying the optical signal-to-noise ratio (OSNR) penalties <0.8 dB at the bit error rate (BER) of 10. The converted BPSK signals with high performance are obtained; they are generated from wavelength conversion of 10-Gbps BPSK and format conversion from 20-Gpbs QPSK. In the case of HFM-XOR logic gates, we discuss the extension application in all-optical encryption. Therefore, both theoretical analysis and simulation results are conducted to analyze the feasibility of the dual-channel all-optical encryption for QPSK and BPSK signals. The OSNR penalties of decrypted QPSK and BPSK signals at the BER of 10 are 1 dB and 0.7 dB, respectively. The concentrated constellations and clear eye diagrams indicate the high performance of decrypted signals.

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Simultaneous all-optical transparent phase multiplexing/de-multiplexing based on FWM in a HNLF

Cited by 2 publications

References 6 publications

Design of All-Optical Modulation Format Converter From One 8PSK to Two QPSK Signals Based on Phase Sensitive Amplification in Elastic Optical Network

Design of All-Optical Modulation Format Converter From One 8PSK to Two QPSK Signals Based on Phase Sensitive Amplification in Elastic Optical Network

Multifunctional all-optical signal processing scheme for wavelength-division-multiplexing multicast, wavelength conversion, format conversion, and all-optical encryption using hybrid modulation format exclusive-OR gates based on four-wave mixing in highly nonlinear fiber

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