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Wavelength-space permutation switch with coherent PDM QPSK transmission for supercomputer optical interconnects
Optical interconnects Coherent communications
2010/6/4
We experimentally study the performance of an economically-viable, high-capacity supercomputer optical interconnect employing wavelength-space optical packet switching,polarization division multiplexe...
A multimode interference polymer-silica hybrid waveguide 2×2 thermo-optic switch
polymer waveguide device thermo-optic effects optical switches
2009/8/21
A polymer-silica hybrid 2×2 thermo-optic switch is demonstrated. The top cladding and core layer
are composed of polymers, while the bottom cladding is made of silica. Since polymer and silica
have ...
Record Switching Throughput of 1.28-Tbit/s/port (64-wavelength x 20-Gbit/s) by DWDM / NRZ-DQPSK Optical Packet Switch System
DWDM / NRZ-DQPSK Optical Packet Switch System
2009/7/20
We first achieved error-free (BER<10 -9 ) operation of 1.28-Tbit/s/port (64-wavelengths x 20 Gbit/s)DWDM/NRZ-DQPSK optical packet switching and buffering, and demonstrated throughput-scalability could...
MEMS-based 1x43 Wavelength-Selective Switch with Flat Passband
MEMS-based Wavelength-Selective Switch Flat Passband
2009/7/20
We propose a flat-passband 1x43 wavelength-selective switch by using a combination of anamorphic prism pairs and two-axis MEMS mirrors. The prototype successfully demonstrates a 1x43 switching with a ...
Demonstration of a Lossless Monolithic 16x16 QW SOA Switch
Lossless Monolithic QW SOA Switch
2009/7/20
10Gb/s error-free operation of the first monolithic 16x16 quantum well semiconductor optical amplifier switch is demonstrated. The switch has a 2dB facet-to-facet gain and a minimum power penalty of 2...
Scalability Study of a Prototype 640Gbit/s/port Optical Packet Switch for Network Applications
Scalability Study Optical Packet Switch Network Applications
2009/7/17
We investigate the scalability of a prototype 640Gbit/s/port optical packet switched system. Based on the expected new component parameters by extensive simulations a scalability of 8 nodes is demonst...
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
2009/7/17
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...
Demonstration of a Wavelength Selective Switch Using an LCOS and a Stacked Arrayed Waveguide Grating
Wavelength Selective Switch LCOS Stacked Arrayed Waveguide
2009/7/17
We successfully fabricated a stacked AWG with an accuracy of 0.3% and demonstrated an LCOS-based wavelength selective switch with it. Flat-top spectral response with a crosstalk of less than -31dB was...
Scalable Optical Packet Switch for Optical Packets with Multiple Modulation Formats and Data Rates
Scalable Optical Packet Switch Optical Packets Multiple Modulation Formats Data Rates
2009/7/16
We present a scalable, low latency optical packet switch for optical packets with multiple modulation formats. Results show error-free operation of 1x8 optical packet switch for 160Gb/s RZ-OOK, 320Gb/...
Low Penalty Cascaded Operation of a Monolithically Integrated Quantum Dot 1x8 Port Optical Switch
Cascaded Operation Monolithically Integrated Quantum Port Optical Switch
2009/7/16
A novel Quantum Dot monolithically integrated 1x8 switch is shown to provide robust routing of data at 10Gb/s modulation rates. Two cascaded switches providing, 1x64 functionality, operate with a powe...
Efficient ROADM-ring Connecting Node Switch Architecture that Utilizes Waveband Routing and its Realization with PLC Technologies
Efficient ROADM Architecture that Utilizes Waveband Routing Realization PLC Technologies
2009/7/15
An efficient ROADM-ring connecting node architecture is proposed that utilizes waveband routing and achieves small footprint and cost-effectiveness. The key component devices are implemented using PLC...
All-Optical Demultiplexing of 640 Gbit/s OTDM-DPSK Signal Using a Semiconductor SMZ Switch
All-Optical Demultiplexing OTDM-DPSK Signal Semiconductor SMZ Switch
2009/7/15
The all-optical demultiplexing of a 640 Gbit/s OTDM signal is successfully demonstrated using a symmetric Mach-Zehnder switch incorporating SOAs. An ultrafast switching gate as narrow as 1.4 ps is rea...
Compact Polarization-Insensitive Array Isolator Built-in SOA Gate Array Switch Module for Large-Scale Switch Systems
Polarization-Insensitive SOA Gate Array Switch Module Large-Scale Switch Systems
2009/7/15
We developed an SOA gate array switch module with a novel polarization-insensitive built-in array isolator. We achieved excellent optical coupling characteristics that had insertion losses of about 3 ...
Polarization-Independent and Low-Current Operation of InAlGaAs/InAlAs Mach-Zehnder Interferometer-Type Photonic Switch with Hybrid- Waveguide Structure for Optical Packet Switching
Polarization-Independent Low-Current Operation Hybrid-Waveguide Structure Optical Packet Switching
2009/7/15
We demonstrated a polarization-independent Mach-Zehnder interferometer-type photonic switch with very-low-current of about 5mA. Furthermore, a few nano-second switching response time was also confirme...
An Ultra-compact Waveband Cross-connect Switch Module to Create Cost-effective Multi-degree Reconfigurable Optical Node
Ultra-compact Waveband Cross-connect Switch Module Create Cost-effective Multi-degree Reconfigurable Optical Node
2009/7/15
We demonstrate a compact waveband cross-connect switch module that will be utilized for creating cost-effective multi-degree optical cross-connect nodes. Its measured performance confirms that it can ...