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2013 1
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2022 5
2023 3
2024 2

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Page 1
High-order orbital angular momentum mode-based phase shift-keying communication using phase difference modulation.
Chen J, Huang Z, Wang P, Ye H, Chen S, Fan D, Liu J. Chen J, et al. Opt Express. 2023 Dec 18;31(26):44353-44363. doi: 10.1364/OE.506843. Opt Express. 2023. PMID: 38178508 Free article.
Orbital angular momentum (OAM) mode offers a promising modulation dimension for high-order shift-keying (SK) communication due to its mode orthogonality. However, the expansion of modulation order through superposing OAM modes is constrained by the mode-field mismatch resu …
Orbital angular momentum (OAM) mode offers a promising modulation dimension for high-order shift-keying (SK) communication due to its …
High-capacity free-space optical communications using wavelength- and mode-division-multiplexing in the mid-infrared region.
Zou K, Pang K, Song H, Fan J, Zhao Z, Song H, Zhang R, Zhou H, Minoofar A, Liu C, Su X, Hu N, McClung A, Torfeh M, Arbabi A, Tur M, Willner AE. Zou K, et al. Nat Commun. 2022 Dec 10;13(1):7662. doi: 10.1038/s41467-022-35327-w. Nat Commun. 2022. PMID: 36496483 Free PMC article.
We multiplex three ~3.4 mum wavelengths (3.396 mum, 3.397 mum, and 3.398 mum) on a single polarization, with each wavelength carrying two orbital-angular-momentum (OAM) beams. As each beam carries 50-Gbit/s quadrature-phase-shift-keying data, a total capacity of 300 Gbit/s …
We multiplex three ~3.4 mum wavelengths (3.396 mum, 3.397 mum, and 3.398 mum) on a single polarization, with each wavelength carrying two or …
Asymmetric point-to-multipoint coherent architecture with a frequency aliasing recovery algorithm for cost-constraint short-reach access networks.
Fan Y, Liu X, Fu M, Xu Y, Liu Q, Zeng X, Yi L, Hu W, Zhuge Q. Fan Y, et al. Opt Express. 2022 Aug 29;30(18):33124-33135. doi: 10.1364/OE.463944. Opt Express. 2022. PMID: 36242359 Free article.
In this architecture, the uplink transmitters are simplified significantly with the uplink dual-polarization four-level pulse amplitude modulation (DP-PAM4) and downlink DP quadrature phase shift keying (DP-QPSK) asymmetric transmission design. Digital to analog converters …
In this architecture, the uplink transmitters are simplified significantly with the uplink dual-polarization four-level pulse amplitude modu …
Full-duplex cylindrical vector beam multiplexing communication using spin-dependent phase modulation metasurfaces.
Zeng Q, Wang J, Huang H, Wu H, Ren J, Nong L, Xie Z, Liu J, Ye H, Fan D, Chen S. Zeng Q, et al. Opt Express. 2023 Dec 4;31(25):42299-42309. doi: 10.1364/OE.501577. Opt Express. 2023. PMID: 38087606 Free article.
To demonstrate this concept, we constructed a 16-channel (including 4 CVB modes and 4 wavelengths) full-duplex CVB multiplexing communication system and achieved the bidirectional transmission of 800 Gbit/s quadrature-phase shift-keying (QPSK) signals over a 5 km few-mode …
To demonstrate this concept, we constructed a 16-channel (including 4 CVB modes and 4 wavelengths) full-duplex CVB multiplexing communicatio …
Blind frequency offset estimation using the optimal decision threshold-assisted QPSK-partition method for probabilistically shaped MQAM systems.
Tang X, Xu H, Bai C, Fan Y, Zhang Y, Yang L, Cao L, Sun W, Cui N. Tang X, et al. Opt Express. 2022 Sep 26;30(20):37175-37192. doi: 10.1364/OE.472802. Opt Express. 2022. PMID: 36258633 Free article.
To solve this issue, we have proposed an optimal decision threshold assisted quadrature phase shift keying (QPSK)-partition blind FOE scheme. Firstly, the proposed scheme utilizes an optimal decision threshold assisted method for the symbol decision of received symbols, th …
To solve this issue, we have proposed an optimal decision threshold assisted quadrature phase shift keying (QPSK)-partition blind FOE …
Adding/dropping polarization multiplexed cylindrical vector beams with local polarization-matched plasmonic metasurface.
He Y, Huang Z, Li C, Yang B, Xie Z, Wu H, Wang P, Li Y, Yang Y, Fan D, Chen S. He Y, et al. Opt Lett. 2022 Dec 15;47(24):6341-6344. doi: 10.1364/OL.477849. Opt Lett. 2022. PMID: 36538433
As a proof of concept, the polarization multiplexed CVBs, carrying 150-Gbit/s quadrature phase shift keying signals, are successfully added and dropped, and the bit error rates approach 1 10(-6). ...
As a proof of concept, the polarization multiplexed CVBs, carrying 150-Gbit/s quadrature phase shift keying signals, are successfully …
Simultaneous modulation format identification and OSNR monitoring based on optoelectronic reservoir computing.
Han M, Wang M, Fan Y, Cai S, Guo Y, Zhang N, Schatz R, Popov S, Ozolins O, Pang X. Han M, et al. Opt Express. 2022 Dec 19;30(26):47515-47527. doi: 10.1364/OE.474207. Opt Express. 2022. PMID: 36558679 Free article.
The lowest achievable OSNR estimation mean absolute errors for the dual-polarization (DP)-quadrature phase-shift keying signal, the DP-16-ary quadrature amplitude modulation (16QAM) signal, and the DP-64QAM signal are 0.2 dB, 0.32 dB and 0.53 dB, respectively. ...
The lowest achievable OSNR estimation mean absolute errors for the dual-polarization (DP)-quadrature phase-shift keying signal, the D …
On-chip four-mode (de-)multiplexer on thin film lithium niobate-silicon rich nitride hybrid platform.
Liu Y, Huang X, Li Z, Guan H, Yu Z, Wei Q, Fan Z, Han W, Li Z. Liu Y, et al. Opt Lett. 2021 Jul 1;46(13):3179-3182. doi: 10.1364/OL.430515. Opt Lett. 2021. PMID: 34197410
All channels have cross talk <-16dB from 1480 nm to 1580 nm. The transmission of 450 Gbps on-off keying signals is experimentally achieved on the proposed (de-)multiplexer. ...
All channels have cross talk <-16dB from 1480 nm to 1580 nm. The transmission of 450 Gbps on-off keying signals is experimentally …
High-capacity bi-directional full-duplex transmission based on fiber-eigenmode multiplexing over a FMF with 2×2 MIMO.
Zhang J, Wu X, Fan Q, Yi X, Tan Z, Li J, Li Z, Lu C. Zhang J, et al. Opt Express. 2021 Sep 13;29(19):30473-30482. doi: 10.1364/OE.433972. Opt Express. 2021. PMID: 34614770 Free article.
Firstly, 4 vector modes (VMs) of 2 mode groups (MGs), l = 0 (HE(11o) and HE(11e) modes) and l = +2 (EH(11o) and EH(11e) modes), each carrying a 14 GBaud quadrature phase-shift keying (QPSK) signal, are utilized in the up and down links and a 224 Gb/s same-mode bi-direction …
Firstly, 4 vector modes (VMs) of 2 mode groups (MGs), l = 0 (HE(11o) and HE(11e) modes) and l = +2 (EH(11o) and EH(11e) modes), each carryin …
18 results