Zobrazeno 1 - 10
of 385
pro vyhledávání: '"Fiber□optics□systems"'
Autor:
Chenyang Gao, Yang Gui, Yandang Wang, Xianming Zhang, Gengji Zhou, Meng Pang, Jianwu Ding, Yuxin Leng
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 4, Pp 1-5 (2023)
In this submission, we report a maximum 638-W fiberized chirped-pulse-amplification (CPA) laser system with a bulk reflection grating compressor. The system is able to emit 338-W compressed pulses of 624 fs centered at 1 µm, corresponding to a pulse
Externí odkaz:
https://doaj.org/article/3d144e78c47149a1a36e2c1ae5aef4ff
Autor:
Junfeng Zhu, Xinhai Zou, Ying Xu, Yutong He, Yali Zhang, Zhiyao Zhang, Shangjian Zhang, Yong Liu
Publikováno v:
Photonic Sensors, Vol 13, Iss 2, Pp 1-7 (2023)
Abstract A bias-independent inter-modulation method is proposed and demonstrated for measuring low-frequency modulation and bias half-wave voltages of Mach-Zehnder modulators (MZMs). The method consists of simultaneous sinusoidal modulation on the mo
Externí odkaz:
https://doaj.org/article/a30a3ef526fd4e43aa6a8e48e3e55354
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
A fiber-optic accelerometer based on extrinsic Fabry-Perot interferometer (EFPI) is reported. The sensor adopts flywheel diaphragm structure as a sensitive element, where the mass block is bonded in the center, while the beam of the flywheel acts as
Externí odkaz:
https://doaj.org/article/ddb94cd49d7b47308253d081a4f92e55
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-8 (2022)
Recently, data-driven fiber channel modeling methods based on deep learning have been proposed in optical communication system simulations. We investigate a new data-driven method based on the deep neural network (DNN) to model the nonlinear fiber ch
Externí odkaz:
https://doaj.org/article/7c166163d1324921bd50d3dad0284827
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 3, Pp 1-9 (2022)
We present a method to simultaneously measure the temperature and electric current, which can be applied for the all-fiber optic current sensor (AFOCS) temperature compensation. The Faraday rotation mirror is introduced as the temperature sensing uni
Externí odkaz:
https://doaj.org/article/e49eb83e388649b28fb50ea8eaa27d98
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 1, Pp 1-8 (2021)
In this paper, a microfiber knot resonator (MKR) was encapsulated in polydimethylsiloxane (PDMS), and its capability to sense temperature was experimentally evaluated. A very high sensitivity of -12 nm/°C was recorded for the MKR device, with a micr
Externí odkaz:
https://doaj.org/article/fe72edac397a4783aad40d8216e727cb
Autor:
Guoqing Wang, Dongrui Xiao, Li-Yang Shao, Fang Zhao, Jie Hu, Shuaiqi Liu, Huanhuan Liu, Chao Wang, Rui Min, Zhijun Yan
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 6, Pp 1-7 (2021)
An undersampling free-space optical (FSO) communication system based on compressive sensing (CS) and in-fiber grating is proposed. Our proposal drastically mitigates the data scale unfavorable issue and reduces the great amount of required data. Also
Externí odkaz:
https://doaj.org/article/e012119aab174e12a45baa6126d04831
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-8 (2020)
A D-band vector millimeter wave (mm-wave) signal generation and propagation scheme employing cascaded intensity modulator (IM) and in-phase/quadrature (I/Q) modulator is proposed and implemented. In experiment, both the IM and I/Q modulator are opera
Externí odkaz:
https://doaj.org/article/a0579ce80f59460bb5cae5dfe345fb8a
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 6, Pp 1-13 (2020)
In this paper, we study the thermal dissipation of Raman fiber laser and amplifier utilizing pure passive fiber as gain medium for the first time. Take into account the convective and conductive heat transferring process in the fiber, we consider the
Externí odkaz:
https://doaj.org/article/9be567de63df4b9993f89fff2de02b03
Dyadic Probabilistic Shaping of PAM-4 and PAM-8 for Cost-Effective VCSEL-MMF Optical Interconnection
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 2, Pp 1-11 (2019)
In this paper, dyadic probabilistic shaping (PS) for pulse amplitude modulation (PAM) has been investigated and experimentally demonstrated for intensity-modulation and direct-detection optical interconnection systems. Improved achievable information
Externí odkaz:
https://doaj.org/article/9d748db01cc048bdb5cdeecf52418de4