Search Results - "Ren, Zhengqi"

Super-broadband on-chip continuous spectral translation unlocking coherent optical communications beyond conventional telecom bands by Kong, Deming, Liu, Yong, Ren, Zhengqi, Jung, Yongmin, Kim, Chanju, Chen, Yong, Wheeler, Natalie V., Petrovich, Marco N., Pu, Minhao, Yvind, Kresten, Galili, Michael, Oxenløwe, Leif K., Richardson, David J., Hu, Hao

“…Today’s optical communication systems are fast approaching their capacity limits in the conventional telecom bands. Opening up new wavelength bands is becoming…”
Get full text

The generation of femtosecond optical vortex beams with megawatt powers directly from a fiber based Mamyshev oscillator by Lin, Di, Feng, Yutong, Ren, Zhengqi, Richardson, David J.

“…Numerous approaches have been developed to generate optical vortex beams carrying orbital angular momentum (OAM) over the past decades, but the direct…”
Get full text

The Generation of 1.2 μJ Pulses From a Mamyshev Oscillator Based on a High Concentration, Large-Mode-Area Yb-Doped Fiber by Lin, Di, Xu, Duanyang, He, Jing, Feng, Yutong, Ren, Zhengqi, Sidharthan, Raghuraman, Jung, Yongmin, Yoo, Seongwoo, Richardson, David J.

“…We demonstrate a high-energy and high-average power Mamyshev oscillator based on a high performance large-mode-area step-index germanosilicate-cladding…”
Get full text

Compact, high repetition rate, 4.2 MW peak power, 1925 nm, thulium-doped fiber chirped-pulse amplification system with dissipative soliton seed laser by Ren, Zhengqi, Fu, Qiang, Xu, Lin, Price, Jonathan H V, Alam, Shaif-Ul, Richardson, David J

“…We report the demonstration of a high average- and peak-power, 1925 nm, thulium-fiber based chirped pulse amplification (CPA) system. A compact, dissipative…”
Get full text

High-speed silicon Michelson interferometer modulator and streamlined IMDD PAM-4 transmission of Mach-Zehnder modulators for the 2 μm wavelength band by Cao, Wei, Liu, Shenghao, Littlejohns, Callum G, Thomson, David J, Nedeljkovic, Milos, Zhang, Weiwei, Li, Ke, Banakar, Mehdi, Tran, Ying, Yan, Xingzhao, Du, Han, Ren, Zhengqi, Gardes, Frederic, Reed, Graham T, Mashanovich, Goran Z

“…We demonstrate high-speed silicon modulators optimized for operating at the wavelength of 2 μm. The Mach-Zehnder interferometer (MZI) carrier-depletion…”
Get full text

Generation of ~625nJ Pulses from a Mamyshev Oscillator with a few-mode LMA Yb-doped Fiber by Lin, Di, Xu, Duanyang, He, Jing, Feng, Yutong, Ren, Zhengqi, Richardson, David J.

“…Mamyshev oscillators (MOs) have recently attracted considerable interest due to their outstanding performance allowing, for example, the generation of ~190 nJ…”
Get full text

100 Gbit/s PAM-16 Transmission in the 2-µm Band over a 1.15-km Hollow-Core Fiber by Kong, Deming, Ren, Zhengqi, Jung, Yongmin, Chen, Yong, Wheeler, Natalie, Galili, Michael, Oxenlowe, Leif K, Richardson, David J, Hu, Hao

“…We demonstrate the first low-latency 2-µm-band PAM signal transmission using a hollow-core fiber (HCF). PAM-8 and PAM-16 signals are successfully transmitted…”
Get full text

2-µm-band Coherent Transmission of Nyquist-WDM 16-QAM Signal by On-chip Spectral Translation by Kong, Deming, Liu, Yong, Ren, Zhengqi, Jung, Yongmin, Kim, Chanju, Chen, Yong, Wheeler, Natalie, Pu, Minhao, Yvind, Kresten, Galili, Michael, Oxenlowe, Leif K, Richardson, David J, Hu, Hao

“…We propose and demonstrate the first low-latency 2-µm-band coherent N-WDM transmission by on-chip spectral translation of 4×32-Gbaud 16-QAM signals with 33-GHz…”
Get full text

25 Gbit/S Silicon Based Modulators for the 2 μm Wavelength Band by Cao, Wei, Nedeljkovic, Milos, Liu, Shenghao, Littlejohns, Callum G., Thomson, David J., Gardes, Frederic, Ren, Zhengqi, Li, Ke, Reed, Graham T., Mashanovich, Goran Z.

“…We demonstrate high-speed silicon modulators optimized for operating at the wavelength of 2 μm. The Mach-Zehnder interferometer carrier-depletion modulator has…”
Get full text

Generation and Heterodyne Detection of a 2-μm-Band 16-QAM Signal Based on Inter-Band Wavelength Conversion by Liu, Yong, Kong, Deming, Ren, Zhengqi, Jung, Yongmin, Pu, Minhao, Yvind, Kresten, Galili, Michael, Oxenlowe, Leif K., Richardson, David J., Hu, Hao

“…We demonstrate the generation and self-heterodyne detection of a 2-μm-band 32-Gbit/s line-rate 16-QAM signal based on inter-band wavelength conversion in an…”
Get full text

Generation and Coherent Detection of 2-µm-Band WDM-QPSK Signals by On-Chip Spectral Translation by Kong, Deming, Liu, Yong, Ren, Zhengqi, Jung, Yongmin, Pu, Minhao, Yvind, Kresten, Galili, Michael, Oxenlewe, Leif K., Richardson, David J., Hu, Hao

“…We have proposed and demonstrated the generation and coherent detection of 2 µm-band I/Q modulated signals for the first time using on-chip spectral…”
Get full text

Robust, High Peak Power, Thulium-Doped Fiber Chirped-Pulse Amplification System Using a Dissipative Soliton Seed Laser by Ren, Zhengqi, Price, Jonathan H. V., Alam, Shaif-Ul, Richardson, David J.

“…We report a dissipative soliton seeded, thulium-doped fiber chirped pulse amplification system at 1950 nm. The amplified pulses are compressed to 545 fs and…”
Get full text