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Year Number of Results
2011 2
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2016 3
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Optical format interconversion nodes between OOK and QPSK enabled by a reconfigurable two-dimensional vector mover.
Cui J, Ji Y, Lu GW, Wen H, Zhai K, Wang X, Zhu N. Cui J, et al. Opt Express. 2022 Aug 29;30(18):32577-32589. doi: 10.1364/OE.465560. Opt Express. 2022. PMID: 36242315 Free article.
An optical format interconversion scheme between on-off keying (OOK) and quadrature phase shift keying (QPSK) is proposed and verified in this paper. ...
An optical format interconversion scheme between on-off keying (OOK) and quadrature phase shift keying (QPSK) is proposed and …
100 Gb/s NRZ OOK signal regeneration using four-wave mixing in a silicon waveguide with reverse-biased p-i-n junction.
Wen HS, Cui JB, Zhou H, Chen YF, Jin Y, Xu BR, Zhai KP, Sun JZ, Guo YY, Wu YR, Chen W, Chen W, Wang X, Zhu NH, Lu GW, Ji GJ, Zhou DC, Cheng YK, Yang DQ, Li M. Wen HS, et al. Opt Express. 2022 Oct 10;30(21):38077-38094. doi: 10.1364/OE.471162. Opt Express. 2022. PMID: 36258380 Free article.
A silicon waveguide with reverse-biased p-i-n junction is used to experimentally demonstrate all-optical regeneration of non-return-to-zero (NRZ) on-off keying (OOK) signal based on four-wave mixing. The silicon waveguide allows a high conversion efficiency of -12 dB. ...
A silicon waveguide with reverse-biased p-i-n junction is used to experimentally demonstrate all-optical regeneration of non-return-to-zero …
Spatial Modulation for Molecular Communication.
Huang Y, Wen M, Yang LL, Chae CB, Ji F. Huang Y, et al. IEEE Trans Nanobioscience. 2019 Jul;18(3):381-395. doi: 10.1109/TNB.2019.2905254. Epub 2019 Mar 15. IEEE Trans Nanobioscience. 2019. PMID: 30892218
The concentration symbol is drawn according to the conventional concentration shift keying (CSK) constellation. Benefiting from a single active transmitter during each symbol period, SM-MC can avoid the inter-link interference problem existing in the current multiple-input …
The concentration symbol is drawn according to the conventional concentration shift keying (CSK) constellation. Benefiting from a sin …
2D-to-1D constellation reforming using phase-sensitive amplifier-based constellation squeezing and shifting.
Cui J, Ji Y, Lu GW, Wang H, Zhang M. Cui J, et al. Opt Express. 2021 Feb 1;29(3):3724-3737. doi: 10.1364/OE.417353. Opt Express. 2021. PMID: 33770966 Free article.
The proposed system theoretically realizes seven kinds of 10 GBaud quadrature amplitude modulation (QAM)-to-pulse amplitude modulation (PAM) conversions, including quadrature phase shift keying-to-PAM4 and 8QAM-to-PAM8 conversions. The constellation reforming system consis …
The proposed system theoretically realizes seven kinds of 10 GBaud quadrature amplitude modulation (QAM)-to-pulse amplitude modulation (PAM) …
Graphene-silicon microring resonator enhanced all-optical up and down wavelength conversion of QPSK signal.
Hu X, Long Y, Ji M, Wang A, Zhu L, Ruan Z, Wang Y, Wang J. Hu X, et al. Opt Express. 2016 Apr 4;24(7):7168-77. doi: 10.1364/OE.24.007168. Opt Express. 2016. PMID: 27137009 Free article.
Using such graphene-assisted nonlinear optical device, we experimentally demonstrate up and down wavelength conversion of a 10-Gbaud quadrature phase-shift keying (QPSK) signal by exploiting degenerate four-wave mixing (FWM) progress in the fabricated GSMR. ...
Using such graphene-assisted nonlinear optical device, we experimentally demonstrate up and down wavelength conversion of a 10-Gbaud quadrat …
Gradient-descent noise whitening techniques for short-reach IM-DD optical interconnects with severe bandwidth limitation.
Wu Q, Xu Z, Zhu Y, Ji H, Yang Y, Qiao G, Liu L, Wang S, Liang J, Wei J, He Z, Zhuge Q, Hu W. Wu Q, et al. Opt Express. 2024 Jan 15;32(2):1715-1727. doi: 10.1364/OE.509262. Opt Express. 2024. PMID: 38297717 Free article.
As a proof-of-concept experiment, we validate the principles of the proposed algorithms by successfully transmitting 360-GBd on-off-keying (OOK) and 180-GBd 4-level pulse-amplitude-modulation (PAM-4) signals in the back-to-back case under a 62-GHz brick-wall bandwidth limi …
As a proof-of-concept experiment, we validate the principles of the proposed algorithms by successfully transmitting 360-GBd on-off-keyin …
Ultra-high-speed wavelength conversion in a silicon photonic chip.
Hu H, Ji H, Galili M, Pu M, Peucheret C, Christian H Mulvad H, Yvind K, Hvam JM, Jeppesen P, Oxenløwe LK. Hu H, et al. Opt Express. 2011 Oct 10;19(21):19886-94. doi: 10.1364/OE.19.019886. Opt Express. 2011. PMID: 21996996 Free article.
We have successfully demonstrated all-optical wavelength conversion of a 640-Gbit/s line-rate return-to-zero differential phase-shift keying (RZ-DPSK) signal based on low-power four wave mixing (FWM) in a silicon photonic chip with a switching energy of only ~110 fJ/bit. . …
We have successfully demonstrated all-optical wavelength conversion of a 640-Gbit/s line-rate return-to-zero differential phase-shift key …
Physical-layer encryption and authentication scheme based on SKGD and 4D hyper-chaos.
Wang D, Wang H, Xu H, Ji Y. Wang D, et al. Opt Express. 2023 Mar 27;31(7):11829-11845. doi: 10.1364/OE.482317. Opt Express. 2023. PMID: 37155810 Free article.
The local laser, erbium doped fiber amplifier (EDFA), and public channel provide the entropy source of uniqueness and randomness to extract symmetric key sequences for legitimate partners. The simulation conducted in a quadrature phase shift keying (QPSK) PPOL system over …
The local laser, erbium doped fiber amplifier (EDFA), and public channel provide the entropy source of uniqueness and randomness to extract …
All-optical aggregation and de-aggregation between 3 × BPSK and 8QAM in HNLF with wavelength preserved.
Zhong Z, Wang H, Ji Y. Zhong Z, et al. Appl Opt. 2020 Feb 1;59(4):1092-1098. doi: 10.1364/AO.379130. Appl Opt. 2020. PMID: 32225247
In this paper, we proposed an aggregation and de-aggregation setup between three binary phase shift keying signals and 8-ary quadrature amplitude modulation signal using the nonlinear effect in high nonlinear optical fiber. ...
In this paper, we proposed an aggregation and de-aggregation setup between three binary phase shift keying signals and 8-ary quadratu …
Optical modulation format conversion from one QPSK to one BPSK with information-integrity-employing phase-sensitive amplifier.
Cui J, Wang H, Ji Y. Cui J, et al. Appl Opt. 2017 Jun 20;56(18):5307-5312. doi: 10.1364/AO.56.005307. Appl Opt. 2017. PMID: 29047585
In this paper, a scheme for optical modulation format conversion from one 20 Gbps quadrature phase-shift keying (QPSK) signal to one 20 Gbps binary phase-shift keying (BPSK) signal with information integrity is proposed and verified by simulation. ...
In this paper, a scheme for optical modulation format conversion from one 20 Gbps quadrature phase-shift keying (QPSK) signal to one …
17 results