Search Results - "Myoung-Sun Heo"

Reference-free, high-resolution measurement method of timing jitter spectra of optical frequency combs by Kwon, Dohyeon, Jeon, Chan-Gi, Shin, Junho, Heo, Myoung-Sun, Park, Sang Eon, Song, Youjian, Kim, Jungwon

“…Timing jitter is one of the most important properties of femtosecond mode-locked lasers and optical frequency combs. Accurate measurement of timing jitter…”
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A compact cold-atom clock based on a loop-gap cavity by Lee, Sangmin, Choi, Gyeong Won, Hong, Hyun-Gue, Kwon, Taeg Yong, Lee, Sang-Bum, Heo, Myoung-Sun, Park, Sang Eon

“…We introduce a compact atomic clock based on laser-cooled atoms trapped inside a loop-gap microwave cavity. The cavity occupies a volume eight times smaller…”
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Chip-Scale Ultra-Low Field Atomic Magnetometer Based on Coherent Population Trapping by Hong, Hyun-Gue, Park, Sang Eon, Lee, Sang-Bum, Heo, Myoung-Sun, Park, Jongcheol, Kim, Tae Hyun, Kim, Hee Yeon, Kwon, Taeg Yong

“…We report a chip-scale atomic magnetometer based on coherent population trapping, which can operate near zero magnetic field. By exploiting the asymmetric…”
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Generation of multiple ultrastable optical frequency combs from an all-fiber photonic platform by Kwon, Dohyeon, Jeon, Igju, Lee, Won-Kyu, Heo, Myoung-Sun, Kim, Jungwon

“…Frequency-stabilized optical frequency combs have created many high-precision applications. Accurate timing, ultralow phase noise, and narrow linewidth are…”
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Inverse problem approach to evaluate quadratic Zeeman effect for an atomic fountain frequency standard KRISS-F1 by Park, Young-Ho, Eon Park, Sang, Lee, Sangmin, Heo, Myoung-Sun, Yong Kwon, Taeg, Hong, Hyun-Gue, Lee, Sang-Bum

“…Abstract The evaluation of the quadratic Zeeman shift in atomic fountain frequency standards requires information on the magnetic field distribution along the…”
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Operating Atomic Fountain Clock Using Robust DBR Laser: Short-Term Stability Analysis by Sangmin Lee, Myoung-Sun Heo, Taeg Yong Kwon, Hyun-Gue Hong, Sang-Bum Lee, Hilton, Ashby Paul, Luiten, Andre Nicholas, Hartnett, John Gideon, Sang Eon Park

“…We report on a robust distributed Bragg reflector (DBR) laser system for an atomic fountain clock. To confirm the performance of a DBR laser, the short-term…”
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Drift-Compensated Low-Noise Frequency Synthesis Based on a cryoCSO for the KRISS-F1 by Myoung-Sun Heo, Sang Eon Park, Won-Kyu Lee, Sang-Bum Lee, Hyun-Gue Hong, Taeg Yong Kwon, Chang Yong Park, Dai-Hyuk Yu, Santarelli, Giorgio, Hilton, Ashby Paul, Luiten, Andre Nicholas, Hartnett, John Gideon

“…In this paper, we report on the implementation and stability analysis of a drift-compensated frequency synthesizer from a cryogenic sapphire oscillator (CSO)…”
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Kinetic phase transition with global coupling in the resonantly driven atomic trap by Moon, Geol, Kim, Yonghee, Heo, Myoung-Sun, Ahn, Daegun, Park, Jina, Shin, Soyoung, Noh, Heung-Ryoul, Jhe, Wonho

“…We present an experimental observation and comprehensive theory that address the effect of interaction on the phase transition in a many-body system, which is…”
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Formation of ultracold fermionic NaLi Feshbach molecules by Heo, Myoung-Sun, Wang, Tout T., Christensen, Caleb A., Rvachov, Timur M., Cotta, Dylan A., Choi, Jae-Hoon, Lee, Ye-Ryoung, Ketterle, Wolfgang

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Nonlinear, nonequilibrium and collective dynamics in a periodically modulated cold atom system by Moon, Geol, Heo, Myoung-Sun, Kim, Yonghee, Noh, Heung-Ryoul, Jhe, Wonho

“…The physics of critical phenomena in a many-body system far from thermal equilibrium is an interesting and important issue to be addressed both experimentally…”
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Compact modulation transfer spectroscopy module for highly stable laser frequency by Lee, Sanglok, Lee, Sang-Bum, Park, Sang Eon, Hong, Hyun-Gue, Heo, Myoung-Sun, Seo, Sangwon, Jeong, Jeongyoun, Kwon, Taeg Yong, Moon, Geol

“…•Compact modulation transfer spectroscopy for a transportable atomic quantum gravimeter laser system.•The best laser frequency stability performance for MTS in…”
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Operating atomic fountain clock using robust DBR laser system by Sangmin Lee, Myoung-Sun Heo, Taeg Yong Kwon, Hyun-Gue Hong, Sang-Bum Lee, Hartnett, John G., Sang Eon Park

“…We operate an atomic fountain clock KRISS-F1 using a laser system based on a DBR (Distributed Bragg Reflector) laser. We have found that there is no major…”
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Progress of an atomic gravimeter at KRISS by Lee, Sang-Bum, Kwon, Taeg Yong, Park, Sang Eon, Heo, Myoung-Sun, Hong, Hyun-Gue, Park, Chang Yong, Lee, Won-Kyu, Yu, Dai-Hyuk

“…This paper introduces an atomic gravimeter under development at KRISS for precise measurement of gravitational acceleration. The gravimeter based on atom…”
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Drift-compensated low-noise frequency synthesis based on a CryoCSO for the KRISS-F1(Cs) by Myoung-Sun Heo, Sang Eon Park, Sang-Bum Lee, Hyun-Gue Hong, Taeg Yong Kwon, Chang Yong Park, Won-kyu Lee, Dai-Hyuk Yu, Hartnett, John G.

“…This paper reports implementation and operation of a frequency synthesizer based on a cryocooled cryogenic Sapphire oscillator (cryoCSO) for the Cesium atomic…”
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Mie resonance-enhanced pumping and detection efficiency for shallow nitrogen-vacancy centers in diamond by Hong, Hyun-Gue, Lee, Sang-Bum, Heo, Myoung-Sun, Park, Sang Eon, Kwon, Taeg Yong

“…We investigate Mie resonances of a diamond nano-resonator as a means to enhance the pumping and detection efficiency of shallow nitrogen-vacancy color centers…”
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Advanced Satellite-Based Frequency Transfer at the 10−16 Level by Fujieda, Miho, Sung-Hoon Yang, Gotoh, Tadahiro, Sang-Wook Hwang, Hachisu, Hidekazu, Huidong Kim, Young Kyu Lee, Tabuchi, Ryo, Ido, Tetsuya, Won-Kyu Lee, Myoung-Sun Heo, Chang Yong Park, Dai-Hyuk Yu, Petit, Gerard

“…Advanced satellite-based frequency transfers by two-way carrier-phase (TWCP) and integer precise point positioning have been performed between the National…”
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Time-symmetry breaking in a modulated cold atom system: An ideal mean-field transition by Heo, Myoung-Sun, Jhe, Wonho

“…We realize an ideal mean-field transition of time-translation symmetry in a periodically-driven atomic system. The symmetry in steady-state oscillatory atomic…”
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Spontaneous symmetry breaking of population in a nonadiabatically driven atomic trap: an Ising-class phase transition by Kim, Kihwan, Heo, Myoung-Sun, Lee, Ki-Hwan, Jang, Kiyoub, Noh, Heung-Ryoul, Kim, Doochul, Jhe, Wonho

“…We have observed spontaneous symmetry breaking of the population of Brownian particles between two moving potentials in the spatiotemporally symmetric system…”
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Observation of resonant symmetry lifting by an effective bias field in a parametrically modulated atomic trap by Kim, Yonghee, Heo, Myoung-Sun, Moon, Geol, Kim, Ji-Hyoun, Noh, Heung-Ryoul, Jhe, Wonho

“…We experimentally demonstrate resonant symmetry lifting in a parametrically modulated magneto-optical trap of cold {sup 85}Rb atoms. This is achieved by…”
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Increasement of effective number of detected atoms in KRISS-F1(Cs) fountain clock by optical pumping by Sangmin Lee, Myoung-Sun Heo, Taeg Youg Kwon, Hyun-Gue Hong, Sang-Bum Lee, Sang Eon Park

“…We have performed optical pumping (OP) technique to increase the effective number of detected atoms in the KRISS-F1 (Cs) fountain clock using two laser…”
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