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Evaluation of Fiber Fuse Characteristics of Hole-Assisted Fiber for High Power Optical Transmission Systems
Fiber Fuse Characteristics Hole-Assisted Fiber High Power Optical Transmission Systems
2009/7/16
We evaluate fiber fuse characteristics of bend-insensitive optical fibers and show that hole-assisted fiber(HAF) is applicable as fiber fuse stopper in high-power optical transmission systems. We also...
10.3Gb/s burst-mode 3R receiver incorporating full AGC optical receiver and 82.5GS/s sampling CDR for 10G-EPON systems
receiver incorporating AGC optical receiver CDR 10G-EPON systems
2009/7/16
10.3Gb/s burst-mode 3R receiver incorporating full AGC optical receiver and 82.5GS/s sampling CDR for 10G-EPON is, for the first time, developed. Burst receiver sensitivity of -30.1dBm and upstream po...
Spectrally Efficient Simultaneous Delivery of 112Gbps Baseband Wireline and 60 GHz MM-Wave Carrying 10Gbps Optical Wireless Signal in Radio-over-Fiber WDM-PON Access Systems
Spectrally Efficient Radio-over-Fiber WDM-PON Access Systems
2009/7/15
For the first time, we demonstrate a novel scheme to deliver 112Gbps PolMux-RZ-QPSK baseband and 10Gbps optical wireless signals at 60GHz millimeter-wave in downstream links and 10Gbps centralized lig...
Novel Technique for On-Site Signal-Monitoring in PON Systems without Service Interruption
Novel Technique Signal-Monitoring PON Systems Service Interruption
2009/7/14
We propose an on-site signal-monitoring technique using a mechanically-induced long-period grating(LPG) for monitoring specific service signals without service interruption. Using the LPG, leaked sign...
Colourless Interferometric Technique for Large Capacity Quantum Key Distribution Systems by use of Wavelength Division Multiplexing
Colourless Interferometric Technique Large Capacity Quantum Key Distribution Systems Wavelength Division Multiplexing
2009/7/14
A novel interferometric technique is proposed for high-capacity quantum key distribution using wavelength division multiplexing. With additional phase modulation, we exhibited valid interference at an...
This paper discusses how commercial 40 Gb/s transponders can be used for upgrades of medium haul submarine links by taking into account dispersion optimisation requirements and co-existing channels.
Impact of Fibre Nonlinearities in Electronic Dispersion Compensation Systems at 40 Gb/s
Impact of Fibre Nonlinearities Electronic Dispersion Compensation Systems
2008/8/4
The impact of intrachannel nonlinearities in 40 Gb/s systems using electronic dispersion precompensation is studied. We found no significant reduction of the nonlinear threshold compared to optical in...
OFDM Radio-over-Fibre Systems Employing Routing in Multi-Mode Fibre In-building Networks
OFDM Radio-over-Fibre Systems Employing Routing Fibre In-building Networks
2008/7/31
We report a radio-over-fibre system for all-optical routing OFDM signal at 18.3 GHz over 950 m multi-mode fibre, with error vector magnitude penalty < 3%.
Highly Linear Radio-over-Fiber Transmitter for Subcarrier Multiplexed Systems
Linear Radio-over-Fiber Transmitter Subcarrier Multiplexed Systems
2008/7/31
A highly linear RoF transmitter, employing a dual Mach-Zehnder modulator, is proposed and experimentally tested. Carrier to interference ratio improvement of 16dB, compared to conventional external mo...
Silicon photonics for next generation computing systems
Silicon photonics next generation computing systems
2008/7/30
The current tendency in high performance computing systems is to increase the parallelism in processing at all levels utilizing multithreads, increasing the number of chips in racks and blades, as wel...
Stopping single photons in one-dimensional circuit quantum electrodynamics systems
single photons one-dimensional circuit quantum electrodynamics systems
2007/8/11
We propose a mechanism to stop and time reverse single photons in one-dimensional circuit quantum electrodynamics systems. As a concrete example, we exploit the large tunability of the superconducting...
Tomography for Multiconjugate Adaptive Optics Systems Using Laser Guide Stars
Adaptive Optics Laser Guide Stars Tomography Algorithms
2004/6/1
In this paper we present a solution to the MCAO reconstruction problem using multiple laser guide stars and show that it can be interpreted as a form of back-projection tomography. It is shown that a ...
Sharp asymmetric line shapes in side-coupled waveguide-cavity systems
asymmetric line shapes side-coupled waveguide-cavity systems
2002/8/11
We show that, for an optical microcavity side coupled with a waveguide, sharp, and asymmetric line shapes can be created in the response function by placing two partially reflecting elements int...