搜索结果: 1-15 共查到“工学 Q-switch”相关记录74条 . 查询时间(0.095 秒)
By bringing together the right materials duking it out, a Cornell-led collaboration has for the first time used voltage to turn on and off a material’s crystal symmetry, thereby controlling its electr...
When you save an image to your smartphone, those data are written onto tiny transistors that are electrically switched on or off in a pattern of “bits” to represent and encode that image. Most transis...
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch for Access Networks
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch Access Networks
2014/11/6
Operation of an optically controlled 1x4 remote node, based on membrane InP switches and SOI waveguide circuits, is shown. Extinction ratio >25dB and penalty-free operation for 10Gb/s 231-1 PRBS data ...
Ozone levels drop 20 percent with switch from ethanol to gasoline
Ozone levels drop 20 percent with switch from ethanol to gasoline
2014/5/13
Choice at the pump. When residents of São Paulo chose gasoline over ethanol to fuel their vehicles, levels of ozone actually decreased, according to a Northwestern study.
ITHACA, N.Y. – Researchers from Cornell University and Brookhaven National Laboratory have shown how to switch a particular transition metal oxide, a lanthanum nickelate (LaNiO3), from a metal to an i...
Deep subwavelength plasmonic waveguide switch in double graphene layer structure
Deep subwavelength plasmonic waveguide switch double graphene layer structure
2015/8/7
Graphene provides excellent prospects of the dynamic tunability, low propagation loss, and extreme mode confinement for plasmonic excitations in the infra-red and terahertz frequencies.We show t...
Nonvolatile bistable all-optical switch from mechanical buckling
Nonvolatile bistable all-optical switch mechanical buckling
2015/8/10
We propose a nonvolatile all-optical bistable optomechanical switch comprising two parallel buckling waveguides. The bistability comes from mechanical buckling so the operation of the switch does not ...
High-speed and broadband electro-optic silicon switch with submilliwatt switching power
High-speed broadband electro-optic silicon switch submilliwatt switching power
2015/5/26
We present a 2x2 silicon electro-optic switch with a submilliwatt switching power (0.6 mW), a broad bandwidth (60 nm), and ultrafast speed (6 ns). Free-carrier injection Mach-Zehnder interferometers a...
Fast Barrier Synchronization with AWGR-based Optical Switch in High-performance and Parallel Computing
Networks Optical communications
2015/5/25
We demonstrate speedup of barrier synchronization for parallel computing via wavelength parallelism of the optical switch using a k-ary tree to collect updates without incurring contention, and optica...
OSNR monitoring of a 1.28 Tbit/s signal using a reconfigurable Wavelength Selective Switch
OSNR monitoring reconfigurable Wavelength Selective Switch
2015/5/25
We demonstrate in-band optical signal to noise monitoring of an 1.28 Tbit/s signal by implementing an interferometer inside a reconfigurable wavelength selective switch based on liquid crystal on sili...
LCOS-Based 4x4 Wavelength Cross-Connect Switch For Flexible Channel Management in ROADMs
Fiber optics communications Fiber optics links subsystems
2015/5/25
We propose an integrated 4x4 wavelength cross-connect switch utilizing an LCOS-based 12 port counts wavelength blocker array, which enables flexible control of optical power level, channel bandwidth a...
Flexible and Grid-less Wavelength Selective Switch using LCOS Technology
Flexible Grid-less Wavelength Selective Switch LCOS Technology
2015/5/25
The increasing spectral efficiency of Optical Transmission systems is constrained by the limitations of wavelength switching and is driving a requirement for significantly more flexible approaches to ...
Wavelength selective switching with one-chip silicon photonic circuit including 8 x 8 matrix switch
Optical switching devices Integrated optics devices
2015/5/25
Polarization-independent wavelength path switching is demonstrated with one-chip silicon photonic circuit including 64 thermo-optical switch elements within 12mm x 3mm. Owing to uniformity, any path c...
Fast Remotely Reconfigurable Wavelength Selective Switch
Photonic integrated circuits Switching Wavelength filtering
2015/5/25
A remotely reconfigurable wavelength selective switch is proposed which implements label detection and signal gating in the same SOA array. A proof of principle monolithic circuit is presented showing...