搜索结果: 1-15 共查到“光学工程 improvement”相关记录26条 . 查询时间(0.015 秒)
Kinect Fusion improvement using depth camera calibration
Calibration Depth Map Kinect 3D modelling Fusion Libraries
2014/7/30
Scene's 3D modelling, gesture recognition and motion tracking are fields in rapid and continuous development which have caused growing demand on interactivity in video-game and e-entertainment market....
The Improvement of Bulk-Heterojunction Order in Polymer Photovoltaic Device
Polymer photovoltaic device Bulk-heterojunction Annealing method
2012/4/12
The blend morphology and vertical arrangement are critical to the performance of organic bulk-heterojunction photovoltaic devices. In the present paper, the authors proposed a new annealing method tha...
This investigation experimentally demonstrates a 40 GHz phase shifter based on a semiconductor laser. The phase shift is achieved by adjusting the bias current and wavelength detuning. The device has ...
Performance Improvement by Fibre Nonlinearity Compensation in 112 Gb/s PM M-ary QAM
Coherent communications Nonlinear optics fibers
2015/5/26
We demonstrate that digital back-propagation offers up to six-fold enhancement in transmission reach when nonlinear fibre impairments are compensated in coherently-detected 112 Gb/s PM m-ary QAM, with...
Performance evaluation and improvement methods for low-driving voltage transmitters in long reach PONs
Fiber Optics Communications Networks network optimization
2015/5/26
The performance of two common low-driving voltage (low-ER) sources is experimentally evaluated for long reach PON applications, considering also partial optical dispersion compensation and electronic ...
A Dispersion Compensating Fiber with a Factor 5 Improvement in Figure of Merit and a Factor 4.5 Improvement in Effective Area
Fiber design fabrication Fiber optics links subsystems
2015/5/25
A Dispersion compensating fiber working in the LP 02 mode with a figure of merit of 2200 ps/(nm·dB), an effective area of 90 μm 2 , and MPI of -37 dB is reported.
Improvement of All Optical ADC based on Phase-Shifted Optical Quantization by Using a Polarization Modulator
Phase-Shifted Optical Quantization Optical ADC Improvement
2015/5/15
A novel scheme of OADC using PolM is proposed in this paper and ENOB of 3.18 bits under a sampling rate of 10Gs/s is obtained in the experiment.
Improvement of Chromatic Dispersion and Differential Group Delay Tolerance of Incoherent Multilevel Signaling with Receiver-side Digital Signal Processing
Fiber optics communications Modulation
2015/6/10
Chromatic dispersion and differential group delay tolerance of 30-Gbit/s 8DPSK and 8QAM signaling is investigated experimentally, and we show 1.7 and 1.25 times enhancement of them in 8QAM signaling b...
Novel Passive Launch Scheme for Ultimate Bandwidth Improvement of Graded-Index Multimode Fibers
Fiber optics communications Optical engineering
2015/6/9
We propose a new practical multimode fiber optical launch scheme, providing near single mode group excitation for >5 times transmission bandwidth improvement. Equalization-free transmission of a 10-Gb...
BER Improvement for RZ-DPSK Receivers Using Saturated Asymmetric Filtering
Semiconductor optical amplifiers input BER demonstrated Phase modulation
2015/6/9
We present a new enhanced receiver for noise degraded RZ-DPSK signals. A highly saturated SOA and a detuned filter are used. An error free detection for an 8 × 10 -6 input BER is demonstrated.
Quantum Dot SOA Dynamic Range Improvement for Phase Modulated Signals
Quantum dot devices Phase modulation
2015/6/8
A 10 dB input power dynamic range advantage is found for amplification of phase-encoded signals with quantum dot SOA compared to low confinement bulk SOA. The effect is attributed to differences in th...
Improvement of Phase Noise Compensation for Coherent Optical OFDM via Data-Aided Phase Equalizer
Modulation Coherent communications
2015/6/4
We report a novel data-aided phase equalizer for coherent optical OFDM systems with RF-pilot enabled phase noise compensation. Simulation results corroborate the superior performance for different RF-...
Experimental Verification of the Dispersion Tolerance Improvement of Partial DPSK with Optimised Filtering
Dispersion Tolerance Improvement Partial DPSK Optimised Filtering
2015/7/17
We experimentally confirm the optimum combination of modulator delay and filter bandwidth to maximize the dispersion tolerance of partial DPSK.
Improvement of Wavelength Switch Performance Consisting of a SSG- DBR-LD and a SOA-DISC with BPF Detuning
Wavelength Switch Performance SSG- DBR-LD SOA-DISC BPF Detuning
2015/7/17
We demonstrate dynamic wavelength switch operation using a SSG-DBR-LD and a SOA-DISC-type wavelength converter. Error free performance was achieved with precise adjustment of signal wavelength to peri...
Improvement of tolerance to fibre non-linearity of incoherent multilevel signalling for WDM transmission with 10-Gbit/s OOK channels
non-linearity incoherent multilevel signalling WDM transmission 10-Gbit/s OOK channels
2015/7/16
Fibre nonlinear effect on incoherent multilevel signalling with co-propagating 10-G OOK channels is investigated by experiments and numerical simulations, and QAM signals with non-Euclidean decision b...