English
Related papers

Related papers: Theoretical study on memory-based optical converte…

200 papers

Future optical quantum technologies, such as quantum networks, distributed quantum computing and sensing, demand efficient, broadband quantum memories. However, achieving high efficiency without introducing noise, reducing bandwidth, or…

The temporal evolutions of coherent resonances corresponding to electromagnetically induced transparency (EIT) and absorption (EIA) were observed in a Hanle absorption experiment carried on the $D_{2}$ lines of $% ^{87}$Rb vapor by suddenly…

Quantum Physics · Physics 2007-05-23 P. Valente , H. Failache , A. Lezama

With the recent advances in optical phase change material (PCM), photonic in-memory neurocomputing has demonstrated its superiority in optical neural network (ONN) designs with near-zero static power consumption, time-of-light latency, and…

Emerging Technologies · Computer Science 2021-12-17 Hanqing Zhu , Jiaqi Gu , Chenghao Feng , Mingjie Liu , Zixuan Jiang , Ray T. Chen , David Z. Pan

We analyze the fidelity of a deterministic quantum phase gate for two photons counterpropagating as polaritons through a cloud of Rydberg atoms under the condition of electromagnetically induced transparency (EIT). We provide analytical…

Quantum Gases · Physics 2020-04-22 Przemyslaw Bienias , Hans Peter Buechler

We extend the theory to describe the quantum light memory in type atoms with considering (lower levels coherency decay rate) and detuning for the probe and the control fields. We obtain that with considering these parameters, group velocity…

Quantum Physics · Physics 2009-11-10 H. Kaatuzian , A. Rostami , A. A. Oskouei

Quantum memories for light, which allow the reversible transfer of quantum states between light and matter, are central to the development of quantum repeaters, quantum networks, and linear optics quantum computing. Significant progress has…

We introduce and demonstrate double-bright electromagnetically induced transparency (D-EIT) cooling as a novel approach to EIT cooling. By involving an additional ground state, two bright states can be shifted individually into resonance…

Quantum memory is the core device for the construction of large-scale quantum networks. For scalable and convenient practical applications, integrated optical memories, especially on-chip optical memories, are crucial requirements because…

Quantum Physics · Physics 2020-12-07 Tian-Xiang Zhu , Chao Liu , Liang Zheng , Zong-Quan Zhou , Chuan-Feng Li , Guang-Can Guo

Electromagnetically induced transparency (EIT) is a phenomenon that can provide strong and robust interfacing between optical signals and quantum coherence of electronic spins. In its archetypical form, mainly explored with atomic media, it…

High-performance quantum memory for quantized states of light is a prerequisite building block of quantum information technology. Despite great progresses of optical quantum memories based on interactions of light and atoms, physical…

Quantum Physics · Physics 2022-06-20 Lixia Ma , Xing Lei , Jieli Yan , Ruiyang Li , Ting Chai , Zhihui Yan , Xiaojun Jia , Changde Xie , Kunchi Peng

Reversible entanglement transfer between light and matter is a crucial requisite for the ongoing developments of quantum information technologies. Quantum networks and their envisioned applications, e.g., secure communications beyond direct…

Quantum Physics · Physics 2021-04-15 M. Cao , F. Hoffet , S. Qiu , A. S. Sheremet , J. Laurat

The electromagnetically induced transparency (EIT) phenomenon has been investigated in a $\Lambda$-system of the $^{87}$Rb D$_1$ line in an external transverse magnetic field. Two spectroscopic cells having strongly different values of the…

We theoretically investigate the optical energy absorption of crystalline silicon subject to dual-color femtosecond laser pulses, using the time-dependent density functional theory (TDDFT). We employ the modified Becke-Johnson (mBJ)…

Plasma Physics · Physics 2022-11-30 Mizuki Tani , Kakeru Sasaki , Yasushi Shinohara , Kenichi L. Ishikawa

We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements of the probe field and find no…

Quantum Physics · Physics 2009-11-13 G. Hétet , B. C. Buchler , O. Glöckl , M. T. L. Hsu , A. M. Akulshin , H. -A. Bachor , P. K. Lam

We report complete characterization of an optical memory based on electromagnetically induced transparency. We recover the superoperator associated with the memory, under two different working conditions, by means of a quantum process…

Quantum Physics · Physics 2015-05-13 M. Lobino , C. Kupchak , E. Figueroa , A. I. Lvovsky

We propose a scheme to exchange optical vortices of slow light using the phenomenon of electromagnetically induced transparency (EIT) in a four-level double-$\Lambda$ atom-light coupling scheme illuminated by a pair of probe fields as well…

Optics · Physics 2018-08-01 Hamid Reza Hamedi , Julius Ruseckas , Gediminas Juzeliūnas

The nonlinear frequency conversion of low-temporal-coherent light holds a variety of applications and has attracted considerable interest. However, its physical mechanism remains relatively unexplored, and the conversion efficiency and…

The electromagnetically induced transparency (EIT) phenomenon in earlier universe is considered. We evaluated the elementary processes of the single scattering of photon on the hydrogen atom with the purpose of their use in the tasks of the…

Atomic Physics · Physics 2022-02-10 D. Solovyev , V. K. Dubrovich

We present a convenient and efficient way to exchange and distribute multipartite entangled state via atomic coherence induced by electromagnetically induced transparency (EIT) in an atomic ensemble. By using the EIT-based nondegenerate…

Quantum Physics · Physics 2014-07-25 Xihua Yang , Bolin Xue , Junxiang Zhang , Shiyao Zhu

We study electromagnetically induced transparency (EIT) in a heated potassium vapor cell, using a simple optical setup with a single free-running diode laser and an acousto-optic modulator. Despite the fact that the Doppler width is…

Optics · Physics 2016-07-01 Andreas Lampis , Robert Culver , Balázs Megyeri , Jon Goldwin
‹ Prev 1 8 9 10 Next ›