Zobrazeno 1 - 10
of 27
pro vyhledávání: '"HUASHUN WEN"'
Autor:
Qiankun Li, Xiongwei Yang, Huashun Wen, Yameng Li, Qi Xu, Jiali Yang, Pengfei Xu, Huajun Yang
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-9 (2024)
An all-optical format conversion (AOFC) scheme for the input 30 Gbit/s rectangular 8-ary quadrature amplitude modulation (8QAM) signal is proposed and numerically investigated based on phase-sensitive amplification (PSA) and nonlinear Mach-Zehnder in
Externí odkaz:
https://doaj.org/article/70b86c31b50b4583b06211632687061c
Publikováno v:
Micromachines, Vol 15, Iss 10, p 1214 (2024)
We propose and demonstrate a photonic-assisted approach for generating arbitrary microwave waveforms based on a dual-polarization dual-parallel Mach–Zehnder modulator, offering significant advantages in terms of tunability of repetition rates and a
Externí odkaz:
https://doaj.org/article/ebf4b364cf554e98b608e18fac29f863
Optical Frequency Comb Generation Based on Optoelectronic Oscillator and Fabry-Perot Phase Modulator
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-5 (2023)
We propose and demonstrate an optical pulse generator using optoelectronic oscillator (OEO) and Fabry-Perot phase modulator (FP-PM). A complete theoretical analysis is developed, and the advantages of the proposed system are also discussed. The optic
Externí odkaz:
https://doaj.org/article/b7d8da38f4cb4d5e95563d607b3568e6
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-9 (2023)
An all-optical format conversion and regeneration scheme about 4-ary amplitude and phase shift keying (4APSK) signals is proposed and numerically simulated based on nonlinear effects in the high nonlinear fiber (HNLF). The input 4APSK signal is first
Externí odkaz:
https://doaj.org/article/795e9e4e1d1149a0bcc53fd5421f263f
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
Numerous studies have shown that the use of PAM-4 modulation format for DFB lasers with integrated passive regions (DFB IPE lasers) can greatly improve information transmission capabilities. In this paper, it is found by theoretical analysis that a p
Externí odkaz:
https://doaj.org/article/7af9c54715ca4e9b92120f660eccf4e4
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
In this paper, we report a novel optical data fragmentation multipath (ODFM) scheme for coherent optical communication based on electrical signal processing in simulation. Under the control of a pseudo-random sequence (PRBS), we randomly disperse the
Externí odkaz:
https://doaj.org/article/1271b0ca37ff462cb1d01a739e97e4c1
Autor:
Ya Jin, Shaokang Chen, Zhuang Xie, Kunpeng Zhai, Changda Xu, Jian Wang, Yinfang Chen, Huashun Wen, Yu Liu, Wei Chen, Ninghua Zhu
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-6 (2022)
A novel optical frequency-hopping (OFH) scheme using dual-drive Mach-Zehnder modulator (DD-MZM) is proposed and demonstrated for secure transmission in fiber-optic networks. In the proposed scheme, by adjusting the phase difference between the radio
Externí odkaz:
https://doaj.org/article/d80fc36cb29c438bb207e70019081dc2
Autor:
Kunpeng Zhai, Xuhua Cao, Sha Zhu, Huashun Wen, Yinfang Chen, Ya Jin, Xinyan Zhang, Wei Chen, Jiabin Cui, Ninghua Zhu
Publikováno v:
Photonics, Vol 10, Iss 2, p 138 (2023)
Based on a dual-polarization dual-parallel Mach–Zehnder modulator (DP-DPMZM), an all-optical frequency divider is proposed and experimentally demonstrated. Two radio frequency (RF) signals are modulated on an optical carrier to work as a dual-beam
Externí odkaz:
https://doaj.org/article/6bc71d110250434f9d257f70de21f35c
Publikováno v:
IEEE Photonics Journal, Vol 8, Iss 2, Pp 1-9 (2016)
Separation by IMplantation of OXygen (SIMOX) 3-D sculpting is considered as a new method for 3-D strain engineering in buried silicon waveguides. A model capable of analyzing the stress distribution and strain gradient of buried silicon waveguides is
Externí odkaz:
https://doaj.org/article/713dc85dc25c417f93cb4b3ade6e74f2
Publikováno v:
IEEE Photonics Journal, Vol 8, Iss 5, Pp 1-12 (2016)
Strain in silicon plays a significant role in exploring electro-optical material, boosting transistor performance, tuning birefringence of optical silicon waveguides, and so on. In this paper, we measured, for the first time, the nanoscale strain in
Externí odkaz:
https://doaj.org/article/d19bb0af93ee4780b7422267cf97c4d5