搜索结果: 1-15 共查到“光学工程 Upstream”相关记录22条 . 查询时间(0.078 秒)
Terabit+ (192 × 10 Gb/s) Nyquist Shaped UDWDM Coherent PON with Upstream and Downstream over a 12.8 nm Band
Terabit S Nyquist Shaped DWDM Coherent PON Upstream and Downstream 12.8 nm Band
2014/11/6
We experimentally demonstrate a bi-directional Terabit+ UDWDM coherent PON with Nyquist shaped 16QAM modulation, offering up to 10 Gb/s service capabilities per user/wavelength in a total spectrum of ...
Upstream Multi-Wavelength Shared PON with Wavelength-Tunable Self-seeding Fabry-Perot Laser Diode
Lasers fiber Lasers, injection-locked Optical communications
2011/5/21
We proposed a Upstream Multi-Wavelength Shared PON using a tunable self-seeding FP-LD at ONU. The fiber laser performances are experimentally investigated. The paper also for the first time studies th...
First Demonstration of Symmetric 10-Gb/s Access Networks Architecture based on Silicon Microring Single Sideband Modulation for Efficient Upstream Signal Re-modulation
Fiber optics communications Integrated optics devices
2011/5/21
We demonstrate an optical access network utilizing downstream silicon microring single-sideband modulation and upstream phase-remodulation of a centrally distributed carrier. Rayleigh-backscattering i...
SOA/REAM as Vector Modulator for QAM Upstream
Fiber optics communications Modulation Semiconductor optical amplifiers
2011/5/21
Simultaneous encoding of information in the optical phase and amplitude for upstream transmission is demonstrated with an integrated SOA/REAM of small form factor. The crosstalk penalties between the ...
10-Gbps Upstream Transmission for WDM-PON Using RSOA and Delay Interferometer
10-Gbps Upstream Transmissio WDM-PON RSOA Delay Interferometer
2011/5/20
We demonstrate the transmission of 10-Gbps NRZ signals over 20-km standard single-mode fiber using an RSOA in a loopback configured WDM-PON system. Significant performance improvement is achieved usin...
Fully DC-Coupled 10Gb/s Burst-Mode PON Prototypes and Upstream Experiments with 58ns Overhead
Fully DC-Coupled Burst-Mode PON Prototypes Upstream Experiments Overhead
2010/6/11
This paper presents a chain of four fully DC-coupled 10Gb/s burst-mode prototypes operating with 58ns overhead for the first time. 10Gb/s upstream burst-mode experiments are performed without a time-c...
44-Gb/s/ Upstream OFDMA-PON Transmission with Polarization- Insensitive Source-Free ONUs
Fiber optics communications Modulation
2010/6/9
For the first time, we demonstrate colorless 44-Gb/s/ upstream OFDMA-PON transmission with polarization-insensitive, source-free ONUs. Superior performance is reported over 20 km SSMF plus 1:3...
Bidirectional 3.125 Gbps Downstream / 2 Gbps Upstream Impulse Radio Ultrawide-band (UWB) over Combined Fiber and Wireless Link
Fiber optics communications Fiber optics links subsystems
2010/6/8
We demonstrate bidirectional fiber and wireless transmission of impulse radio ultra-wideband at 3.125Gbps downstream and 2Gbps upstream. After transmission over 50km fiber and 1.85m wireless link both...
24 channels colorless WDM-PON with L-band 10 Gb/s downstream and C-band 2.5 Gb/s upstream using multiple- wavelengths seeding sources based on mode-locked lasers
Fiber optics optical communications Optoelectronics Networks
2010/6/8
A novel WDM-PON delivering 10-Gb/s downstream based on L-band loss-less reflective-amplified-modulator and 2.5-Gb/s upstream based on C-band injection-locked Fabry-Perot laser is experimentally demons...
Deployment analysis of TDM/WDM Single Fiber PON with Colourless ONU Operating at 2.5 Gbps Subcarrier Multiplexed Downstream and 1.25 Gbps Upstream
Optical communications Optical networks
2010/6/5
A single-fiber full-duplex hybrid TDM/WDM-PON is demonstrated to operate at 2.5/1.25 Gbps rates, with RSOA ONU. It achieves high power budget (GPON compliant) at a distances higher than 20km, and serv...
Cost Efficient Directly Modulated DPSK Downstream Transmitter and Colourless Upstream Remodulation for Full-duplex WDM-PONs
Optical communications Phase modulation
2010/6/4
We implement a cost efficient 10.7Gb/s directly modulated DPSK transmitter in a bidirectional WDM-PON, which also remodulates the downstream phase encoded signal for 2.5Gb/s OOK upstream transmission.
Single-Wavelength 108 Gb/s Upstream OFDMA-PON Transmission
Single-Wavelength Upstream OFDMA-PON Transmission
2009/7/21
We experimentally demonstrate 108-Gb/s/ upstream OFDMA-PON transmission over 20km SSMF and a 1:32 split, enabled by ONU carrier suppression and OLT heterodyne coherent reception. This is the ...
Upstream burst-mode operation of a 100km reach, 16 x 512 split hybrid DWDM-TDM PON using tuneable external cavity lasers at the ONU-side
Upstream burst-mode operation split hybrid DWDM-TDM PON tuneable external cavity lasers ONU-side
2009/7/16
This paper presents the first burst-mode system tests of a new hybrid 10Gb/s DWDM-TDM PON. The upstream channels in the network are enabled by combining novel, cost-effective tuneable ONU lasers and a...
100km Long Reach Upstream 36Gb/s-OFDMA-PON over a Single Wavelength with Source-Free ONUs
36Gb/s-OFDMA-PON Single Wavelength Source-Free ONUs
2009/7/16
We experimentally demonstrate 36-Gb/s source-free single-wavelength upstream OFDMA-PON transmission, enabled by ONU carrier suppression and coherent reception at the OLT. A BER <10 -3 is reported over...
Online Upstream Scheduling and Wavelength Assignment Algorithms for WDM-EPON Networks
Online Upstream Scheduling Wavelength Assignment Algorithms WDM-EPON Networks
2009/7/14
We show that efficiency problems arise when online scheduling and wavelength assignment is employed in WDM-EPON networks and propose algorithms for minimizing their effect, leading to improved capacit...