搜索结果: 1-15 共查到“光信息技术 WDM-PON”相关记录21条 . 查询时间(0.062 秒)
Comparison and analysis of codes for remodulation WDM-PON with adaptive code selection
Line codes Code efficiency WDM-PON Remodulation
2016/12/2
In a remodulation PON, the upstream signal quality can be improved when the downstream signal is coded. But low code efficiency may result in network congestion in downlink. Based on the downlink traf...
Bidirectional 10 Gbit/s long-reach WDM-PON using digital coherent receivers
Optical Communications Coherent Communications
2015/5/22
Bidirectional transmission at 10 Gbit/s using 3.125 GBaud PDM-QPSK over 100 km of SMF is investigated. We observe no penalty for transmission of 10 GHz spaced channels. Preamplification improves the r...
10-Gbps Upstream Transmission for WDM-PON Using RSOA and Delay Interferometer
10-Gbps Upstream Transmissio WDM-PON RSOA Delay Interferometer
2015/5/20
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...
Reduction of Back-Reflection induced Power Penalty by means of Coherent Seeding Source with Optical Feedback in a Loop-Back WDM-PON
Networks Optical communication
2015/5/20
We proposed a novel method to implement the coherent seeding source using optical feedback and experimentally demonstrated the feasibility of our seed light under various back reflection levels in a l...
Demonstration of 25.78-Gb/s, 20-km Reach WDM PON Using Directly-Modulated Bandwidth-Limited RSOA
Fiber optics links subsystems Semiconductor optical amplifiers
2015/5/20
We demonstrate the 25.78-Gb/s operation of directly-modulated RSOA. The results show that it is possible to transmit the 25.78-Gb/s signal over 20 km in the wavelength range of ~20 nm with the dispers...
Maximum Reach of Long-Reach RSOA-Based WDM PON Employing Remote EDFA
)Fiber optics links subsystems Semiconductor optical amplifiers
2015/5/20
We investigate the effects of the gain and position of the remote EDFA in a long-reach RSOA-based WDM PON. Using this result, we also estimate the maximum transmission reach limited by Rayleigh backsc...
Future bandwidth demand favors TDM PON, not WDM PON
Future bandwidth demand favors TDM PON WDM PON
2015/5/18
Claims to the contrary notwithstanding, quantitative trends indicate that TDM PON bandwidth supply is growing faster than subscriber bandwidth demand, and TDM PON will deliver future ultra-high speed ...
Experimental Demonstration of a Cost-Effective Broadcast Overlay for a Commercial WDM PON
Commercial WDM PON Cost-Effective Broadcast Experimental Demonstration
2015/5/18
We demonstrate a simple cost-effective broadcast overlay for WDM PON which uses a single directly modulated superluminescent diode to deliver an RF video or baseband gigabit-Ethernet service to all 32...
60-Channel Bidirectional WDM-PON Using a Single 32*32 AWGR for 120 Wavelengths Distribution
60-Channel Bidirectional WDM-PON Wavelengths Distribution
2015/5/18
We demonstrate a 60-channel wavelength division multiplexed passive optical network (WDM-PON) with 10-Gb/s bidirectional transmission. A single 32*32 AWGR is used at the remote node to achieve a total...
Demonstration of 1 Gb/s×15-User CDM Over WDM-PON Using Electrical Spatial Coding and Subcarrier Multiplexing
Code-division multiplexing (CDM) digital signal processing (DSP) passive optical network (PON) subcarrier multiplexing
2016/12/2
The downlink transmission of a 1 Gb/s 脳 15-user code-division multiplexing (CDM) over wavelength-division-multiplexing passive optical network (WDM-PON) based on electrical spatial coding and subcarri...
Remote Amplified Modulators:Key Components for 10 Gb/s WDM PON
Amplified Modulators Key Components WDM PON
2015/6/10
Amplified electro-absorption modulators provide a realistic solution for colorless 10 Gb/s uncooled ONUs. Being compatible with current packaging technologies they will bring the required cost reducti...
Colorless 10Gb/s extended reach WDM PON with low BW RSOA using MLSE
Optical Communications Fiber optics amplifiers oscillators
2015/6/10
A low bandwidth RSOA-based WDM-PON system is evaluated at 10Gb/s with an off-line processing. Results show that almost 20Km bidirectional and 125km unidirectional fiber are feasible by means of 8 stat...
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
2015/6/8
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...
Optical Phase Remodulation for 10-Gb/s WDM-PON with Enhanced Tolerance to Rayleigh Noise
Fiber optics communications Networks
2015/6/8
A novel phase remodulation scheme for 10-Gb/s WDM-PON is proposed and demonstrated. Downstream DPSK signal with a reduced modulation depth facilitates upstream phase remodulation and Rayleigh noise...
Single Feeder Bidirectional WDM-PON with Enhanced Resilience to Rayleigh-Backscattering
Fiber optics Communications Fiber optics links subsystems
2015/6/8
We report a system demonstration of 6dB-enhanced tolerance to distributed reflections for WDM-PONs using commercial 1.25Gb/s SFP reflective transceivers. The scheme, based on 8B10B-coding and high-pas...