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Alan E Willner

Explore the profile of Alan E Willner including associated specialties, affiliations and a list of published articles. Areas
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Articles 205
Citations 768
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Recent Articles
11.
Zhou H, Song H, Su X, Duan Y, Zou K, Zhang R, et al.
Opt Lett . 2024 Mar; 49(5):1209-1212. PMID: 38426975
In this Letter, we demonstrate turbulence mitigation of four mode-division-multiplexing (MDM) quadrature-phase-shift-keying (QPSK) channels in a pilot-assisted self-coherent free-space optical (FSO) link using a photodetector (PD) array and digital signal...
12.
Su X, Jiang Z, Duan Y, Zhou H, Song H, Pang K, et al.
Opt Lett . 2024 Jan; 49(2):346. PMID: 38194564
This publisher's note contains a correction to Opt. Lett.48, 6452 (2023)10.1364/OL.506270.
13.
Su X, Jiang Z, Duan Y, Zhou H, Song H, Pang K, et al.
Opt Lett . 2023 Dec; 48(24):6452-6455. PMID: 38099771
In general, atmospheric turbulence can degrade the performance of free-space optical (FSO) communication systems by coupling light from one spatial mode to other modes. In this Letter, we experimentally demonstrate...
14.
Zou K, Pang K, Song H, Karpov M, Su X, Zhang R, et al.
Opt Lett . 2023 Nov; 48(21):5695-5698. PMID: 37910736
Previously, space-time wave packets (STWPs) have been generated in free space with reduced diffraction and a tunable group velocity by combining multiple frequency comb lines each carrying a single Bessel...
15.
Minoofar A, Karapetyan N, Almaiman A, Zhou H, Song H, Zou K, et al.
Opt Lett . 2023 Sep; 48(17):4617-4620. PMID: 37656569
Networks can play a key role in high-speed and reconfigurable arithmetic computing. However, two performance bottlenecks may arise when: (i) relying solely on electronics to handle computation for multiple data...
16.
Zhou H, Su X, Duan Y, Song H, Zou K, Zhang R, et al.
Nat Commun . 2023 Aug; 14(1):4701. PMID: 37543595
Atmospheric turbulence can cause critical problems in many applications. To effectively avoid or mitigate turbulence, knowledge of turbulence strength at various distances could be of immense value. Due to light-matter...
17.
Song H, Zou K, Zhou H, Karapetyan N, Minoofar A, Su X, et al.
Opt Lett . 2023 Jun; 48(13):3475-3478. PMID: 37390159
We experimentally demonstrate an optics-based half-adder of two 4-phase-shift-keying (4-PSK) data channels using nonlinear wave mixing. The optics-based half-adder has two 4-ary phase-encoded inputs (i.e., S and S) and two...
18.
Zou K, Su X, Yessenov M, Pang K, Karapetyan N, Karpov M, et al.
Opt Lett . 2023 May; 47(21):5751-5754. PMID: 37219320
Space-time (ST) wave packets have gained much interest due to their dynamic optical properties. Such wave packets can be generated by synthesizing frequency comb lines, each having multiple complex-weighted spatial...
19.
Song H, Zhang R, Zhou H, Su X, Zou K, Duan Y, et al.
Opt Lett . 2023 May; 47(21):5723-5726. PMID: 37219313
We experimentally demonstrate a 4-Gbit/s 16-QAM pilot-assisted, self-coherent, and turbulence-resilient free-space optical link using a photodetector (PD) array. The turbulence resilience is enabled by the efficient optoelectronic mixing of the...
20.
Zhou H, Duan Y, Song H, Su X, Zhao Z, Zou K, et al.
Opt Lett . 2023 Apr; 48(8):2194-2197. PMID: 37058675
There are various performance advantages when using temporal phase-based data encoding and coherent detection with a local oscillator (LO) in free-space optical (FSO) links. However, atmospheric turbulence can cause power...