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100G Transoceanic Length Transmission with High Spectral Efficiency Using Bandwidth Constrained PDM-QPSK
100G Transoceanic Length Transmission High Spectral Efficiency Bandwidth Constrained PDM-QPSK
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2015/5/20
We review our recent 100G, high spectral efficiency, transmission experiments over transoceanic and regional distances. Transmitter pre-filtering together with a MAP detection algorithm can significan...
High Capacity (64 x 43 Gb/s) Unrepeatered Transmission over 440 km
High Capacity Unrepeatered Transmission
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2015/5/20
We describe a 64 x 43 Gb/s unrepeatered transmission experiment over 440 km of ultra-low loss fiber with third-order Raman pumping. We then compare coherent transmission at\ 40 Gb/s and 100 Gb/s in un...
First Experimental Demonstration of Low-Cost VCSEL- Intensity Modulated End-to-End Real-Time Optical OFDM Signal Transmission at 11.25Gb/s over 25km SSMFs
VCSEL Intensity Modulated OFDM Signal Transmission
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2015/5/20
Low-cost, narrow modulation bandwidth, un-cooled VCSELs can be utilized to directly modulate 64-QAM-encoded 11.25Gb/s signals for end-to-end real-time optical OFDM transmission over 25km SSMF IMDD sys...
2.1-Tb/s·km OFDM Long-Reach PON Transmission using a Cost-Effective Electro-Absorption Modulator
2.1-Tb/s·km OFDM Long-Reach PON Transmission Cost-Effective Electro Absorption Modulator
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2015/5/20
We experimentally demonstrate a superior performance of 2.1-Tb/s·km OFDM-signal transmission over 100-km long-reach PONs, which is achieved by using an EAM and direct-detection, and adopting the 128-Q...
Highly reliable 40GbE extender based on OTL3.4 parallel transmission with 1.3 m CWDM and EFEC technologies
transmission
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2015/5/18
We propose a highly reliable 40GbE extender based on OTL3.4 parallel transmission with 1.3m CWDM and EFEC technologies. Error free transmission of a 40GbE signal over 50km SMF is successfully ...
100Gb/s dual-carrier DP-QPSK performance after WDM transmission including 50GHz Wavelength Selective Switches
100Gb/s dual-carrier DP-QPSK performance WDM transmission Wavelength Selective Switches
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2015/5/18
Using a real-time intradyne receiver, we characterize the tolerance of a 100Gb/s dual-carrier dual-polarization-QPSK signal to carrier frequency separation and frequency offset after WDM transmission ...
300 Mbps Transmission with 4.6 bit/s/Hz Spectral Efficiency over 50 m PMMA POF Link Using RC-LED and Multi- Level Carrierless Amplitude Phase Modulation
300 Mbps Transmission 4.6 bit/s/Hz Spectral Efficiency PMMA POF Link Multi- Level Carrierless Amplitude Phase Modulation
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2015/5/18
Successful transmission of up to 300 Mbps over a 50 m long POF link using a commercially available Fast Ethernet capable RC-LED is presented. Carrierless Amplitude Phase modulation was used with 16- a...
“Real World” FTTH Optical-to-Radio Interface Performance for Bi-directional Multi-Format OFDM Wireless Signal Transmission
Real World FTTH Optical Radio Interface Performance Bi-directional OFDM Wireless Signal Transmission
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2015/5/18
The optical-to-radio and radio-to-optical interfaces in fiber-to-the-home access networks were evaluated for LTE, WiMAX and UWB simultaneous distribution. Successful bi-directional transmission was ac...
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
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2015/5/18
We present a detailed study for capacity upgrade using 40Gbps DPSK transmission in 10Gbps optimized 50GHz spaced DWDM ROADM systems. It was found that further optimizing the chromatic dispersion pre-c...
DWDM transmission at 10Gb/s and 40Gb/s using 25GHz grid and flexible-bandwidth ROADM
DWDM transmission 25GHz grid flexible-bandwidth ROADM
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2015/5/18
DWDM transmission with flexible-bandwidth ROADM supporting 25GHz-spaced 10G channels and co-propagating 50GHz-spaced 40G channels is studied experimentally. Nonlinear and ROADM-induced OSNR penalties ...
Optical Through-Hole With High Aspect Ratio for On-Board Optical Transmission
Optical Optical Transmission On-Board
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2015/5/18
We developed optical I/Os in packages for chip-to-chip interconnections. The I/Os of 55-μm-diameter and 1.2-mm-long optical through-holes demonstrate low loss and 10-Gb/s transmission. This package ai...
Impact of RF Noise on Transmission Performance of Multiband OFDM UWB over Fiber Systems
RF Noise Multiband OFDM UWB over Fiber Systems Transmission Performance
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2015/5/15
We investigate the performance of multiband OFDM ultra wideband (UWB) signal over fiber system considering the impact of RF noise. A compensation technique is proposed to reduce RF noise impact.
Time-Resolved Error Vector Magnitude for Transmitter Mask Testing in Coherent Optical Transmission Systems
Time-Resolved Optical Transmission Systems Mask Testing
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2015/5/15
We propose a novel transition-sensitive measurement approach for coherent optical systems. The time-resolved error vector magnitude (EVM), combined with mask testing, is a powerful tool for pass/fail ...
Experimental Demonstration of Adaptive Bit and/or Power Loading for Maximising Real-Time End-to-End Optical OFDM Transmission Performance
Adaptive Bit Real-Time End-to-End Optical OFDM Transmission Performance
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2015/5/15
For the first time adaptive bit and/or power loading of real-time, end-to-end optical OFDM transceivers are experimentally demonstrated and compared. Low-complexity power loading only results in a pen...
Characterization of an Integrated Coherent Receiver for 224 Gb/s Polarization Multiplexed 16-QAM Transmission
224 Gb/s Polarization Multiplexed 16-QAM Transmission Coherent Receiver
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2015/5/15
An integrated coherent receiver module based on monolithically integrated 90° hybrids and balanced waveguide pin-photodiodes is presented. Optical transmission performance is demonstrated for a 224 Gb...