Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Qianshu Zhang"'
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 36:556-568
Accurate dielectric properties are of great importance for the design and fabrication of the input and output windows in vacuum electronic devices. A reflection-type hemispherical open resonator (RTHOR) was designed through theoretical analysis and n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9eb061f7467358760cc99ca80781c155
https://doi.org/10.1007/s10762-015-0160-x
https://doi.org/10.1007/s10762-015-0160-x
Autor:
Yongzhi Liu, Heping Li, Lin Huang, Qianshu Zhang, Rongguo Lu, Xionggui Tang, Yong Liu, Jinkun Liao
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 30:959-968
An electro-optical tunable filter comprised of two paralleled identical long-period waveguide gratings is proposed in this paper. The filter has one input port and two separate output ports, outputting band-pass and band-rejection light respectively.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daed7a2e68338d1f03e1bf1998271502
https://doi.org/10.1007/s10762-009-9527-1
https://doi.org/10.1007/s10762-009-9527-1
Publikováno v:
Frontiers of Optoelectronics in China. 1:215-218
A high Er3+-doped narrow linewidth fiber laser based on fiber Bragg grating Fabry-Perot cavity was demonstrated. The spatial hole burning effect was restrained by a fiber Faraday rotator. Two short fiber Bragg grating Fabry-Perot cavities as narrow b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::918045e9127aad0882be22bd732fa4e4
https://doi.org/10.1007/s12200-008-0012-6
https://doi.org/10.1007/s12200-008-0012-6
Publikováno v:
2010 Symposium on Photonics and Optoelectronics.
We present a novel optical wavelength sampling and quantizing method that can be used for photonic analog-to-digital converters. The wavelength sampling is realized by using a high-speed optical tunable filter. The tunable filter has long-period-wave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::214de8a9f24214694b42a71da9bec6bd
https://doi.org/10.1109/sopo.2010.5504399
https://doi.org/10.1109/sopo.2010.5504399
Publikováno v:
2009 15th Asia-Pacific Conference on Communications.
We propose a photonic analog-to-digital conversion scheme based on wavelength sampling and wavelength quantizing. The wavelength sampling is realized by using a high-speed electro-optical tunable filter that is controlled by analog electronic signal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd212a591157dff23d307170baebd88a
https://doi.org/10.1109/apcc.2009.5375584
https://doi.org/10.1109/apcc.2009.5375584
Publikováno v:
2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics.
A tunable optical filter comprised of two paralleled identical long-period waveguide gratings is design and simulated. The simulation results show that the tuning range from 1530nm to 1560nm, and the FWHM can reach 0.8 nm.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7038e5d54ef40f45a164e7cbaf9038bf
https://doi.org/10.1109/cleopr.2009.5292418
https://doi.org/10.1109/cleopr.2009.5292418
Publikováno v:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies.
The cooperation of Rayleigh scattering (RS) in fiber interference loop and stimulated Brillouin scattering (SBS) in fiber can change Q factor in resonant cavity, based on which a all-fiber Er-doped Q-switched fiber laser with interference loop is des
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9c4c62572e7aefa399f62c08436365c
https://doi.org/10.1117/12.830906
https://doi.org/10.1117/12.830906
Publikováno v:
Optoelectronic Devices and Integration II.
A novel all-optical high speed sampling method using nonlinear polarization rotation (NPR) in a semiconductor optical amplifier (SOA) is proposed in this paper. Using the carrier rate equation in a SOA for the propagation of an optical pulse, a model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37fd7413c67a30cf1dd0e60e8b8df899
https://doi.org/10.1117/12.755206
https://doi.org/10.1117/12.755206
Publikováno v:
SPIE Proceedings.
To obtain higher pulse energy and pulse peak power of Q-switched fiber lasers, the length of amplifying fiber should be optimized properly. In this paper, the optimum length of fiber for maximum pulse energy or maximum pulse peak power is investigate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff67e3bafdfadc130ccc0dbe9bf3e43e
https://doi.org/10.1117/12.756189
https://doi.org/10.1117/12.756189
Publikováno v:
Optoelectronic Devices and Integration II.
Single mode propagation is an important requirement for optical waveguide devices for use with single-mode fiber, it can reduce the coupling loss. In this paper, a technique is used for calculating the field distribution of the polymeric Y-junction r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a07ad44264e842cfdb3ebcf555e2bb6
https://doi.org/10.1117/12.755736
https://doi.org/10.1117/12.755736