搜索结果: 1-14 共查到“光学仪器及技术 Digital”相关记录14条 . 查询时间(0.134 秒)
Design of illumination and projection optics for projectors with single digital micromirror devices
2011/11/29
We present a new optical system design for a projector with a single digital micromirror device ~Texas Instruments Digital Micromirror Device! that improves on previous designs in terms of optical eff...
Optical digital filters that employ optical delay lines are proposed. Properly locating the zeros in the transfer function is shown to enable interleaver pairs to be designed with the same amplitude r...
Long-Distance Standard Single-Mode Fiber Transmission of 40-Gbit/s 16QAM Signal with Optical Delay-Detection and Digital Pre-Distortion of Chromatic Dispersion
Long-Distance Standard Single-Mode Fiber Transmission Optical Delay-Detection and Digital Pre-Distortion Chromatic Dispersion
2015/5/21
Dispersion pre-distorted 40-Gbit/s 16QAM transmissions over 800-km standard-single mode fiber(~13300 ps/nm) using delay detection is demonstrated with large tolerance to laser phase noise (1-MHz linew...
Characterization of Semiconductor-Laser Phase Noise with Digital Coherent Receivers
Characterization Semiconductor-Laser Phase Noise Digital Coherent Receivers
2015/5/20
We develop a method of characterizing semiconductor-laser phase noise using a digital coherent receiver. The field spectrum, FM-noise spectrum, and phase-error variance can completely describe phase-n...
Digital multi-rate receiver for 10GE-PON and GE-PON coexistence
GE-PON multi-rate receiver
2015/5/18
We demonstrate an NRZ multi-rate digital receiver capable of receiving upstream TDM traffic line-rates from GE-PON to 10GE-PON, that utilizes a simple optical front end and polyphase DSP at 2 samples ...
Efficient Digital Coherent Detection of A 1.2-Tb/s 24- Carrier No-Guard-Interval CO-OFDM Signal by Simultaneously Detecting Multiple Carriers Per Sampling
Coherent communications Phase modulation
2015/6/10
We experimentally demonstrate efficient detection of a 1.2-Tb/s 24-carrier NGI-CO-OFDM signal with 12.5-Gbaud PDM-QPSK carrier-modulation by simultaneously recovering 2 or 3 carriers per 50-GSamples/s...
Inter-Wavelength Transfer of Digital Lightpath Labels Induced by Stimulated Raman Scattering
Fiber optics links and subsystems All-optical networks Fiber optics communications Nonlinear optics fibers
2015/6/4
WDM systems using digital lightpath labels can experience modulation transfer among wavelengths due to stimulated Raman scattering (SRS), creating label replicas. We present pump-probe measurements of...
240-Gb/s Polarization-Multiplexed 64-QAM Modulation and Blind Detection Using PLC-LN Hybrid Integrated Modulator and Digital Coherent Receiver
Polarization-Multiplexed 64-QAM Modulation Blind Detection PLC-LN Hybrid Integrated Modulator Digital Coherent Receiver
2015/7/20
We demonstrate 240-Gb/s 64-QAM signal modulation and detection. 20-Gbaud 64-QAM signals are generated employing hybrid integration of silica PLCs and LiNbO 3 phase modulators, and demodulated with a d...
Analysis and Dimensioning of Fully Digital Clock Recovery for 112 Gb/s Coherent Polmux QPSK Systems
Fully Digital Clock Recovery Coherent Polmux QPSK Systems
2015/7/16
Combined effect of polarization mixing and Differential Group Delay (DGD) on sinusoidal and random jitter tolerance is investigated. Requirements for tolerable DGD, loop bandwidth and loop delay are e...
A Simple Digital Skew Compensator for Coherent Receiver
Simple Digital Skew Compensator Coherent Receiver
2015/7/16
A skew compensator is proposed and experimentally demonstrated for coherent front-end, which improved tolerance from ± 3 to ± 21ps at 0.2dB Q-penalty even with 21,000ps/nm CD and 90ps DGD on 112Gb/s...
40Gbps,3-bit Operation of a Semiconductor Optical Digital-to-Analog Converter
Semiconductor Optical Digital-to-Analog Converter
2015/7/14
We demonstrate 40Gbps, 3-bit-operation of a semiconductor optical digital-to-analog converter consisting of MMI couplers and delay lines. We achieved output with 7-level amplitude with fixed phase suc...
20× ×112Gbit/s, 50GHz spaced, PolMux-RZ-QPSK straight-line transmission over 1540km of SSMF employing digital coherent detection and pure EDFA amplification
PolMux-RZ-QPSK SSM digital coherent detection EDFA amplification
2015/8/3
By using PolMux-RZ-QPSK modulation format and digital coherent detection, we have demonstrated 20×112Gbit/s DWDM transmission over 1540km of SSMF without using Raman amplification or optical dispersio...
Optical dispersion-compensation free incoherent multilevel signal transmission over single-mode fiber with digital pre-distortion and phase pre-integration techniques
Optical dispersion-compensation incoherent multilevel signal transmission single-mode fiber
2015/7/31
Incoherent 30-Gbit/s 8-level 400-km and 35.8-Gbit/s 12-level 240-km standard-SMF transmissions are demonstrated without optical dispersion compensation for the first time.
Compensation of fibre impairments in digital coherent systems
Compensation fibre impairments digital coherent systems
2015/7/30
Coherent detection combined with digital signal processing (DSP) is a symbiotic relationship. Not only does DSP relax the requirements on the coherent receiver but it permits digital compensation of f...