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Scientists report first data transmission through terahertz multiplexer（图）
scientists first data transmission terahertz multiplexer
2017/9/5
Multiplexing, the ability to send multiple signals through a single channel, is a fundamental feature of any voice or data communication system. An international research team has demonstrated for the...
Wide Bandwidth, Low Loss 1 by 4 Wavelength Division Multiplexer on Silicon for Optical Interconnects
Wide Bandwidth Low Loss 1 by 4 Wavelength Division Multiplexer Silicon Optical Interconnects
2015/5/20
We demonstrate an add/drop filter based on coupled vertical gratings on silicon. The concept is extended to implement a 1 by 4 wavelength division multiplexer with 3nm bandwidth,1dB insertion loss and...
640Gbit/s Reconfigurable OTDM Add-Drop Multiplexer
640Gbit/s Reconfigurable OTDM Add-Drop Multiplexer
2015/5/20
A 640Gbit/s reconfigurable OTDM add/drop multiplexer is demonstrated, using a single periodically-poled Lithium-Niobate waveguide in a counter-propagating configuration.Error free operations confirm t...
CWDM Planar Concave Grating Multiplexer/Demultiplexer and Application in ROADM
CWDM Planar Concave Grating Multiplexer/Demultiplexer ROADM
2015/5/15
We report a SOI based 1×4 coarse wavelength-division-multiplexer (CWDM) planar concave grating multiplexer/demultiplexer and applications in re-configuration optical add/drop multiplexer (ROADM) syste...
Ultrasmall Arrayed Waveguide Grating Multiplexer using InP-based Photonic Wire Waveguide on Si wafer for III-V CMOS photonics
Photonic integrated circuits Integrated optoelectronic circuits Waveguides
2015/6/9
Extremely compact low-loss 4 channel arrayed waveguide grating with 147×92 μm 2 device size was demonstrated using ultrahigh index contrast InGaAsP photonic wire waveguides on Si, compatible for the m...
Precise Low-Cost Optical Time Multiplexer based on the Birefringence of Polarization Maintaining Fibers
Optical Time Multiplexer Birefringence Polarization Maintaining Fibers
2015/7/16
A novel scheme of optical time multiplexer is presented, based on the high birefringence of polarization maintaining fiber. The scheme is highly precise, and its fiber-only construction reduces the mu...
A 40Gb/s CWDM-TDM PON with a Cyclic CWDM Multiplexer/Demultiplexer
CWDM-TDM PON CWDM Multiplexer/Demultiplexer
2015/7/16
We demonstrate a 40-Gb/s hybrid CWDM-TDM PON with a novel remote node including a cyclic CWDM multiplexer/demultiplexer. The system uses commercially available 10-Gb/s 1.3- μ m directly modulated lase...
High Quality and Efficient QPM-LiNbO 3 Wavelength Converter Integrated With 0.78/1.56-μ μm Wavelength Multiplexer
High Quality Efficient QPM-LiNbO Wavelength Converter Integrated Wavelength Multiplexer
2015/7/15
We achieved the first integration of a QPM wavelength converter with an MMI multiplexer by using a direct-bonded LiNbO 3 ridge waveguide. We successfully demonstrated high quality grouped wavelength c...
OTDM Add–Drop Multiplexer using a Saw-Tooth Pulse Shaper
OTDM Add–Drop Multiplexer Saw-Tooth Pulse Shaper
2015/8/6
We experimentally demonstrate the use of saw-tooth control pulses to enhance the performance of time-domain add–drop multiplexers based on cross-phase modulation in fibre and subsequent offset filteri...
80-Gbps to 10-Gbps OTDM De-multiplexer based on Wavelength Exchange in Highly-Nonlinear Fibre
OTDM De-multiplexer Wavelength Exchange Highly-Nonlinear Fibre
2015/8/3
All-optical 1:8 de-multiplexer for 80Gbps optical time-division multiplexing signals is demonstrated using fibre-based wavelength exchange. Error-free operation is achieved over all de-multiplexed cha...
Ultra-small one-chip color-less multiplexer/demultiplexer using silicon photonic circuit
multiplexer/demultiplexer silicon photonic circuit
2015/7/31
Using silicon waveguides, an arrayed waveguide grating and switches are integrated into one chip. Low-power and fast-speed reconfigurability of optical paths within a 2-mm device is demonstrated.