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Researchers report progress on molecular data storage system（图）
Researchers report progress molecular data storage system
2020/2/20
A team of National Science Foundation-funded researchers has made substantial progress in creating a new type of data storage system.As the data universe continues to expand, much work is being done t...
Highly Tm-doped silicate glasses and fibers were developed, which exhibit a high slope efficiency of 68.3% and a gain per unit length of greater than 2dB/cm. Single frequency fiber lasers with laser l...
Progress in high-responsivity vertical-illumination type Ge-on-Si photodetecor operating at λ ~1.55 μm
silicon detectors Optoelectronics Photodetectors
2015/5/26
We present a vertical-illumination-type 100% Ge-on-Si photodetector with the responsivity up to 0.93 A/W at λ~1.55 μm. The 10Gbps photoreceiver with a fabricated 60 μm-diameter device exhibits high se...
Recent Progress on Real-Time DSP for Direct Detection Optical OFDM Transceivers
Recent Progress Real-Time DSP Direct Detection Optical OFDM Transceivers
2015/5/20
We describe recent developments in real-time digital signal processing for direct detection optical OFDM transceivers, including the optimization of high throughput FFT algorithms and receiver synchro...
Recent Progress in Optical Fiber Refractive Index Profiling
Optical Fiber Refractive Index
2015/5/18
Recent optical fiber refractive index profile measurement advances include quantitative phase measurement, multi-wavelength spectroscopy, and computerized tomography. These new techniques, and their a...
Progress in Soft-Decision FEC
Soft-Decision FEC
2015/5/18
We discuss the practical implementation of LDPC codes in soft-decision FEC for 100 Gb/s digital coherent systems. The question of the definition of net coding gain for differential QPSK used to avoid ...
Recent Progress on Nonlinear Compensation Technique in Digital Coherent Receiver
Fiber optics communications Coherent communications
2015/6/9
Enhanced digital signal processing algorithms are proposed and evaluated experimentally in order to improve the tolerances to intra-channel and inter-channel nonlinear effects of intradyne receiver an...
This article introduces "visible light communication" using visible light sources as transmitters and discusses its applications and standardization activities.
Recent Progress in Tellurite Fibers
Fiber design and fabrication Nonlinear optics Supercontinuum generation
2015/6/5
We shows new potential of tellurite fibers with high nonlinearity as optical signal processing and coherent light generation media by demonstrating applications of stimulated Raman and Brillouin scatt...
Recent Progress in Three-Dimensional Microstereolithography
Two-photon microstereolithography Photopolymer Optically driven micromachines
2009/6/9
In recent years, microstereolithography techniques have been used to fabricate various types of three-dimensional micro/nano devices such as microelectromechanical systems, micro total analysis system...
This paper briefly overview recent progress on ultra high capacity optical transmission systems and relevant technologies which make these cutting-edge results happen. Steadily increase of the number ...
Progress on All Solid State Deep-ultraviolet Laser with KBe2BO3F2 Crystal
DUV KBBF Solid state laser
2009/6/1
General review for the progress on all solid state deep ultraviolet (DUV) laser with a KBe2BO3F2 (KBBF) crystal was given in the paper. The frequency-conversion characteristics of KBBF crystal and the...
A way to the engineering of the quantum states of trapped ions – report of work in progress
Paul trap nonlinear resonances
2011/5/3
We studied the influence of geometry on the interaction of ions in a Paul trap with microwave radiation and the spatial velocity distribution from the Doppler shift. Non-linear resonances in a Paul tr...