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Lange Zhao

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Recent Articles
1.
Zhao L, Wang S, Qin C, Liu Z, Liu C, Hu X, et al.
Opt Lett . 2024 Dec; 49(24):7028-7031. PMID: 39671632
Here we experimentally demonstrate the dynamics of Bloch-Zener oscillations (BZOs) in a synthetic temporal lattice formed by the optical pulses in coupled fiber loops. By periodically modulating the phases imposed...
2.
Qin C, Wang S, Wang B, Hu X, Liu C, Li Y, et al.
Phys Rev Lett . 2024 Sep; 133(8):083802. PMID: 39241724
Experimental demonstration of tunable temporal Goos-Hänchen shift (GHS) in synthetic discrete-time heterolattices with scalar and vector gauge potentials is reported. By using Heaviside-function modulation in two fiber loops, we create...
3.
Qin C, Ye H, Wang S, Zhao L, Liu M, Li Y, et al.
Nat Commun . 2024 Jun; 15(1):5444. PMID: 38937459
Refraction is a basic beam bending effect at two media's interface. While traditional studies focus on stationary boundaries, moving boundaries or potentials could enable new laws of refractions. Meanwhile, media's...
4.
Zheng L, Wang B, Qin C, Zhao L, Chen S, Liu W, et al.
Opt Lett . 2024 Mar; 49(6):1603-1606. PMID: 38489461
Bloch oscillations (BOs) in a parity-time (PT)-symmetric Su-Schrieffer-Heeger (SSH) waveguide array are theoretically investigated. We show that the BOs are amplified or damped even for the systems to exhibit entirely...
5.
Chen S, Zheng L, Zhao L, Ke S, Wang B, Lu P
Opt Lett . 2023 Nov; 48(21):5763-5766. PMID: 37910753
We investigate the non-Hermitian Hofstadter-Harper model composed of microring resonators, in which the non-Hermitian skin effect (NHSE) is particularly analyzed. The effect is achieved through the interaction between well-designed gain-loss...
6.
Ye H, Qin C, Wang S, Zhao L, Liu W, Wang B, et al.
Proc Natl Acad Sci U S A . 2023 May; 120(20):e2300860120. PMID: 37155855
Photonic gauge potentials, including scalar and vector ones, play fundamental roles in emulating photonic topological effects and for enabling intriguing light transport dynamics. While previous studies mainly focus on manipulating...
7.
Wang S, Qin C, Zhao L, Ye H, Longhi S, Lu P, et al.
Sci Adv . 2023 May; 9(18):eadh0415. PMID: 37134159
Landau-Zener tunneling (LZT), i.e., the nonadiabatic transition under strong parameter driving in multilevel systems, is ubiquitous in physics, providing a powerful tool for coherent wave control both in quantum and...
8.
Huang H, Li Y, Qin C, Li W, Zhao L, Liu C, et al.
Opt Lett . 2023 Mar; 48(6):1522-1525. PMID: 36946968
Here we use a four-wave mixing time lens to demonstrate the spectral self-imaging effect for a frequency comb. The time lens is built by imposing a temporal quadratic phase modulation...
9.
Wang S, Qin C, Liu W, Wang B, Zhou F, Ye H, et al.
Nat Commun . 2022 Dec; 13(1):7653. PMID: 36496493
Dynamic localization (DL) of photons, i.e., the light-motion cancellation effect arising from lattice's quasi-energy band collapse under a synthetic ac-electric-field, provides a powerful and alternative mechanism to Anderson localization for...
10.
Zheng L, Wang B, Qin C, Zhao L, Chen S, Liu W, et al.
Opt Lett . 2022 Sep; 47(18):4644-4647. PMID: 36107053
A waveguide coupler under both phase and intensity modulation is proposed to generate a non-Hermitian Su-Schrieffer-Heeger lattice in frequency dimension. By varying the modulation period and phase, we can manipulate...