Search Results - "Jagang Park"

Electrical control of terahertz frequency conversion from time-varying surfaces by Lee, Kanghee, Park, Jagang, Son, Jaehyeon, Kang, Bong Joo, Kim, Won Tae, Lee, Seong Cheol, Min, Bumki, Rotermund, Fabian

“…We investigate the electrical control of frequency conversion from a time-varying interdigitated photo-conductive antenna (IPCA) and time-varying metasurface…”
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Resonance-enhanced spectral funneling in Fabry–Perot resonators with a temporal boundary mirror by Lee, Kanghee, Park, Junho, Lee, Seojoo, Baek, Soojeong, Park, Jagang, Rotermund, Fabian, Min, Bumki

“…A temporal boundary refers to a specific time at which the properties of an optical medium are abruptly changed. When light interacts with the temporal…”
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Linear frequency conversion via sudden merging of meta-atoms in time-variant metasurfaces by Lee, Kanghee, Son, Jaehyeon, Park, Jagang, Kang, Byungsoo, Jeon, Wonju, Rotermund, Fabian, Min, Bumki

“…The energy of an electromagnetic wave is converted as the wave passes through a temporal boundary. Thus, effective temporal control of the medium is critical…”
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Interpretable inverse-designed cavity for on-chip nonlinear photon pair generation by Jia, Zhetao, Qarony, Wayesh, Park, Jagang, Hooten, Sean, Wen, Difan, Zhiyenbayev, Yertay, Seclì, Matteo, Redjem, Walid, Dhuey, Scott, Schwartzberg, Adam, Yablonovitch, Eli, Kanté, Boubacar

“…Inverse design is a powerful tool in wave physics for compact, high-performance devices. To date, applications in photonics have mostly been limited to linear…”
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Linear frequency conversion via sudden merging of resonances in time-variant terahertz metasurfaces by Kanghee Lee, Jaehyeon Son, Byungsoo Kang, Jagang Park, Rotermund, Fabian, Bumki Min

“…We experimentally demonstrate linear frequency conversion on time-variant terahertz (THz) metasurface. The proposed metasurface is originally designed to have…”
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Revealing non-Hermitian band structure of photonic Floquet media by Park, Jagang, Cho, Hyukjoon, Lee, Seojoo, Lee, Kyungmin, Lee, Kanghee, Park, Hee Chul, Ryu, Jung-Wan, Park, Namkyoo, Jeon, Sanggeun, Min, Bumki

“…Periodically driven systems are ubiquitously found in both classical and quantum regimes. In the field of photonics, these Floquet systems have begun to…”
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Complete asymmetric polarization conversion at zero-eigenvalue exceptional points of non-Hermitian metasurfaces by Oh, Donghak, Baek, Soojeong, Lee, Sangha, Lee, Kyungmin, Park, Jagang, Liu, Zhaowei, Kim, Teun-Teun, Min, Bumki

“…Non-Hermitian systems can be tuned to exhibit exceptional points, where both eigenvalues and eigenstates coalesce concurrently. The inherent adaptability of…”
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Electrically Controllable Terahertz Second‐Harmonic Generation in GaAs by Lee, Kanghee, Park, Jagang, Kang, Bong Joo, Kim, Won Tae, Kim, Hyeon‐Don, Baek, Soojeong, Ahn, Kwang Jun, Min, Bumki, Rotermund, Fabian

“…Terahertz radiation and its nonlinear optical manipulation may possess potential for a variety of applications in next‐generation electronics and optics…”
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A General Recipe for Nondispersive Optical Activity in Bilayer Chiral Metamaterials by Park, Hyun Sung, Park, Jagang, Son, Jaehyeon, Kim, Yushin, Cho, Hyukjoon, Shin, Jonghwa, Jeon, Wonju, Min, Bumki

“…By mimicking broken mirror symmetry of naturally existing chiral materials, and exploiting even stronger magnetoelectric coupling, large optical activity has…”
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Control of terahertz nonlinear transmission with electrically gated graphene metadevices by Choi, Hyun Joo, Baek, In Hyung, Kang, Bong Joo, Kim, Hyeon-Don, Oh, Sang Soon, Hamm, Joachim M., Pusch, Andreas, Park, Jagang, Lee, Kanghee, Son, Jaehyeon, Jeong, Young U. k., Hess, Ortwin, Rotermund, Fabian, Min, Bumki

“…Graphene, which is a two-dimensional crystal of carbon atoms arranged in a hexagonal lattice, has attracted a great amount of attention due to its outstanding…”
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Highly-Dispersive Time-Variant Metasurfaces for Frequency Conversion by Park, Jagang, Min, Bumki

“…We propose a new class of time-variant metasurfaces as an effective platform for the frequency conversion of light. The proposed metasurface exhibits extremely…”
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Microwave Time Quasicrystals by Lee, Kyungmin, Kyung, Minwook, Park, Jagang, Kim, Yung, Cho, Hyuckjoon, Choi, Joonhee, Min, Bumki

“…We experimentally observe the discrete time-quasicrystalline phase in microwave temporal crystals. In addition, it was confirmed that the microwave time…”
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Comment on "Amplified emission and lasing in photonic time crystals" by Park, Jagang, Park, Hee Chul, Lee, Kyungmin, Shin, Jonghwa, Ryu, Jung-Wan, Jeon, Wonju, Park, Namkyoo, Min, Bumki

“…Lyubarov et al. (Research Articles, 22 July 2022, p. 425) claim that the spontaneous emission rate of an atom vanishes at the momentum gap edges of photonic…”
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Resonance-enhanced spectral funneling in Fabry-Perot resonators with a temporal boundary mirror by Lee, Kanghee, Park, Junho, Lee, Seojoo, Baek, Soojeong, Park, Jagang, Rotermund, Fabian, Min, Bumki

“…A temporal boundary refers to a specific time at which the properties of an optical medium are abruptly changed. When light interacts with the temporal…”
Get full text

Interpretable inverse-designed cavity for on-chip nonlinear and quantum optics by Jia, Zhetao, Qarony, Wayesh, Park, Jagang, Hooten, Sean, Wen, Difan, Zhiyenbayev, Yertay, Seclì, Matteo, Redjem, Walid, Dhuey, Scott, Schwartzberg, Adam, Yablonovitch, Eli, Kanté, Boubacar

“…Inverse design is a powerful tool in wave-physics and in particular in photonics for compact, high-performance devices. To date, applications have mostly been…”
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Spontaneous emission decay and excitation in photonic temporal crystals by Park, Jagang, Lee, Kyungmin, Zhang, Ruo-Yang, Park, Hee-Chul, Ryu, Jung-Wan, Cho, Gil Young, Lee, Min Yeul, Zhang, Zhaoqing, Park, Namkyoo, Jeon, Wonju, Shin, Jonghwa, Chan, C. T, Min, Bumki

“…Over the last few decades, the prominent strategies for controlling spontaneous emission has been the use of resonant or space-periodic photonic structures…”
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Non-Hermitian Band Structure of Photonic Temporal Crystals by Park, Jagang, Cho, Hyukjoon, Lee, Seojoo, Lee, Kyungmin, Lee, Kanghee, Park, Hee Chul, Ryu, Jung-Wan, Park, Namkyoo, Jeon, Sanggeun, Min, Bumki

“…We experimentally confirm the non-Hermitian band structures of a photonic temporal crystal in the microwave. These non-Hermitian band structures are shown to…”
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Revealing non-Hermitian band structures of photonic Floquet media by Park, Jagang, Cho, Hyukjoon, Lee, Seojoo, Lee, Kyungmin, Lee, Kanghee, Park, Hee Chul, Ryu, Jung-Wan, Park, Namkyoo, Jeon, Sanggeun, Min, Bumki

“…Periodically driven systems, characterised by their inherent non-equilibrium dynamics, are ubiquitously found in both classical and quantum regimes. In the…”
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Linear frequency conversion via sudden merging of resonances in time-variant metasurfaces by Lee, Kanghee, Son, Jaehyeon, Park, Jagang, Kang, Byungsoo, Jeon, Wonju, Rotermund, Fabian, Min, Bumki

“…Energy conversion in a physical system requires time-translation invariance breaking according to Noether's theorem. Closely associated with this…”
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Electrical switching between terahertz second and third harmonic generation in photo-doped GaAs by Lee, Kanghee, Park, Jagang, Kang, Bong Joo, Kim, Won Tae, Kim, Hyeon-Don, Baek, Soo-Jeong, Ahn, Kwang Jun, Min, Bumki, Rotermund, Fabian

“…We investigate the competing terahertz (THz) nonlinear harmonic generations in photo-doped GaAs with variation of bias voltages. Due to the intrinsic…”
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