Search Results - "Jung, Kwangyun"

Ultralow Phase Noise Microwave Generation From Mode-Locked Er-Fiber Lasers With Subfemtosecond Integrated Timing Jitter by Kwangyun Jung, Junho Shin, Jungwon Kim

“…We demonstrate ultralow phase noise 10-GHz microwave signal generation from a free-running mode-locked Er-fiber laser with -142- and -157-dBc/Hz…”
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Sub-20-Attosecond Timing Jitter Mode-Locked Fiber Lasers by Kim, Hyoji, Qin, Peng, Song, Youjian, Yang, Heewon, Shin, Junho, Kim, Chur, Jung, Kwangyun, Wang, Chingyue, Kim, Jungwon

“…We demonstrate 14.3-attosecond timing jitter [integrated from 10 kHz to 94 MHz offset frequency] optical pulse trains from 188-MHz repetition-rate mode-locked…”
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Femtosecond Laser-Based Microwave Signal Generation and Distribution by Kim, Jungwon, Jung, Kwangyun, Shin, Junho, Jeon, Chan-Gi, Kwon, Dohyeon

“…We review our most recent progress in microwave photonic applications of ultralow timing jitter femtosecond mode-locked fiber lasers. Sub-femtosecond timing…”
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Remote Laser-Microwave Synchronization Over Kilometer-Scale Fiber Link With Few-Femtosecond Drift by Kwangyun Jung, Jiseok Lim, Junho Shin, Heewon Yang, Li-Jin Chen, Kartner, Franz X., Heung-Sik Kang, Chang-Ki Min, Jungwon Kim

“…We show the remote synchronization between a mode-locked laser and a microwave source, separated by a hundreds meter- to kilometer-scale fiber link, with…”
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Attosecond-resolution timing jitter spectrum measurement of free-running mode-locked lasers over 10 decades of fourier frequency by Kwangyun Jung, Jungwon Kim

“…We show timing jitter spectrum measurement of free-running mode-locked lasers from 1-mHz to 40-MHz Fourier frequency. The demonstrated method can resolve…”
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All-fibre photonic signal generator for attosecond timing and ultralow-noise microwave by Jung, Kwangyun, Kim, Jungwon

“…High-impact frequency comb applications that are critically dependent on precise pulse timing (i.e., repetition rate) have recently emerged and include the…”
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Few-femtosecond synchronization between a few-MHz Ti:Sapphire laser and a multi-GHz microwave signal by Jungwon Kim, Walbran, Matthew, Gliserin, Alexander, Kwangyun Jung, Baum, Peter

“…We show 3.7-fs (rms) synchronization between a 5-MHz, 0.5-μJ Ti:sapphire laser and a 6.2-GHz microwave signal [integration bandwidth: 1 Hz-2.5 MHz]. This…”
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Attosecond-resolution time-of-flight stabilization of optical pulse train in 76-m indoor atmospheric link by Jinho Kang, Junho Shin, Chur Kim, Kwangyun Jung, Jungwon Kim

“…We demonstrate sub-100-attosecond-resolution time-of-flight stabilization method for optical pulse trains in atmospheric links. The rms excess fluctuation in…”
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Microwave signal synchronized with a mode-locked Er-fiber laser with ultralow residual phase noise and drift by Kwangyun Jung, Jungwon Kim

“…An 8.06 GHz microwave signal is synchronized with a 77.5-MHz mode-locked Er-fiber laser with residual phase noise of -152 dBc/Hz (-120 dBc/Hz) at 10 kHz (1 Hz)…”
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Timing jitter of normal-dispersion mode-locked Er- and Yb-fiber lasers by Junho Shin, Peng Qin, Kwangyun Jung, Youjian Song, Minglie Hu, Chingyue Wang, Jungwon Kim

“…We experimentally identify that narrow bandpass-filtering can significantly reduce the timing jitter in normal-dispersion fiber lasers. Both the split-step…”
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Few-femtosecond jitter microwave signal generation from free-running mode-locked Er-fiber lasers by Kwangyun Jung, Junho Shin, Jungwon Kim

“…We demonstrate 10-GHz microwave signal generation from a free-running mode-locked Er-fiber laser with 3.7 fs (2.6 fs) absolute rms timing jitter integrated…”
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Frequency modes filtering of spectral peaks in optical frequency combs through molecular gas absorption and nonlinear polarization rotation by Jung, Kwangyun, Kitajima, Shotaro, Nishizawa, Norihiko

“…Spectral peak generation is a recently reported phenomenon that narrow spectral dips of the optical spectrum turn into sharp peaks as they propagate through…”
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Reduction of timing jitter to the sub-20-attosecond regime in free-running femtosecond mode-locked fiber lasers by Hyoji Kim, Peng Qin, Junho Shin, Youjian Song, Chur Kim, Kwangyun Jung, Chingyue Wang, Jungwon Kim

“…We demonstrate 18-attosecond timing jitter [10 kHz-94 MHz] pulse trains from 188MHz mode-locked Yb-fiber lasers. This is the lowest timing jitter from…”
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Attosecond-resolution timing jitter characterization of Yb-fiber lasers in stretched-pulse and self-similar regimes by Youjian Song, Kwangyun Jung, Hyoji Kim, Jungwon Kim

“…The timing jitter characterization of 80-MHz mode-locked Yb-fiber lasers in stretched pulse and self-similar regimes shows the rms integrated jitter of 0.86 fs…”
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Timing jitter optimization of mode-locked Yb-fiber lasers toward the attosecond regime by Song, Youjian, Kim, Chur, Jung, Kwangyun, Kim, Hyoji, Kim, Jungwon

“…We demonstrate ultra-low timing jitter optical pulse trains from free-running, 80 MHz repetition rate, mode-locked Yb-fiber lasers. Timing jitter of various…”
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Sub-femtosecond timing jitter optical pulse trains from mode-locked Er-fiber lasers by Tae Keun Kim, Youjian Song, Kwangyun Jung, Chang Hee Nam, Jungwon Kim

“…We demonstrate sub-femtosecond timing jitter optical pulse trains generated from passively mode-locked Er-doped fiber lasers. The measured rms timing jitter is…”
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Attosecond-level timing jitter mode-locked fiber lasers by Chur Kim, Kwangyun Jung, Tae Keun Kim, Youjian Song, Jungwon Kim

“…We demonstrate optical pulse trains with sub-100-attosecond high-frequency timing jitter from passively mode-locked, stretched-pulse fiber lasers by operating…”
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Characterization and analysis of timing jitter in normal-dispersion mode-locked Er-fiber lasers with intra-cavity filtering by Shin, Junho, Jung, Kwangyun, Song, Youjian, Kim, Jungwon

“…We characterize and analyze the timing jitter of normal-dispersion mode-locked Er-fiber lasers with intra-cavity filtering. The timing jitter of Er-fiber…”
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Few-femtosecond timing jitter from a picosecond all-polarization-maintaining Yb-fiber laser by Chen, Wei, Song, Youjian, Jung, Kwangyun, Hu, Minglie, Wang, Chingyue, Kim, Jungwon

“…We characterize the timing jitter of a picosecond all-polarization-maintaining (all-PM) Yb-fiber laser using the optical cross-correlation method. For the 10…”
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Low timing jitter and intensity noise from a soliton Er-fiber laser mode-locked by a fiber taper carbon nanotube saturable absorber by Kim, Chur, Jung, Kwangyun, Kieu, Khanh, Kim, Jungwon

“…We characterize the timing jitter and intensity noise of an 80-MHz soliton Er-fiber laser mode-locked by a fiber taper carbon nanotube saturable absorber…”
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