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The possibility of achieving direct overwrite capability in magneti-optic thin films is demonstrated.By using films having a compensation temperature tens of degrees higher than the ambient temperatur...
The possibility of achieving direct overwrite in magneto-optic thin films is demonstrated. By using films having a compensation temperature tens of degrees higher than room temperature, writing and er...
Erasable Phase Change Disks with Super Resolution Capability by Pulse-Readout
erasable thermal phase change super resolution disk (EPSR) optical super resolution mask layer recording layer below-diffraction-limited aperture pulse-readout
2011/11/30
Erasable thermal phase change super resolution (EPSR) disks composed of mask and recording layers can be fabricated with a 揵elow-diffraction-limited?aperture within the readout spot to achieve optical...
Novel Hierarchical Optical Cross-Connect Architecture Utilizing Dedicated Add/Drop Switches that Effectively Offer Colorless and Directionless Capability
Optical communications Switching circuit
2015/5/22
Hierarchical optical cross-connect architectures based on dedicated add/drop switches for terminating traffic is proposed. The architecture can significantly reduce switch scale for implementing color...
Chirped Microwave Photonic Filter with High Frequency Tuning Capability
Chirped Microwave Photonic Filter High Frequency Tuning Capability
2015/5/21
A chirped single-bandpass photonic filter is proposed improving the delay performance achieved by microstrip structures. Frequency range is extended up to tens of GHz since carrier-suppression-effect ...
Transmit Isolating Photonic Receive Links : a New Capability for Antenna Remoting
Transmit Isolating Photonic Receive Links Capability Antenna Remoting
2015/5/20
We describe a new type of photonic link that replaces the low noise amplifier and circulator of conventional RF front ends, but has > 20 dB greater isolation and > 1000 times broader bandwidth.
Study on ISI Mitigation Capability of MLSE Equalizers in RSOA-based 10Gbit/s WDM PON
lSI Mitigation Capability MLSE Equalizers RSOA-based WDM PON
2015/7/20
Detailed performance analysis of MLSE receivers in RSOA-based 10Gbit/s WDM PON systems is presented. We found the impact of ISI from preceding bits could be larger than succeeding bits and 8-state MLS...
Interleaving OFDM Signals for Multiple Access with Optical Routing Capability and High Spectral Efficiency
Interleaving OFDM Signals Multiple Acces Optical Routing Capability High Spectral Efficiency
2015/7/16
We propose interleaving of OFDM signals as a scheme for multiple access. By filtering of subbands a routing function is realised. The concept is demonstrated by transmission over 400km SSMF with spect...
Novel Node Architectures for Wavelength-Routed WDM Networks with Wavelength Conversion Capability
Node Architectures Wavelength-Routed WDM Networks Wavelength Conversion Capability
2015/8/6
We present and evaluate two novel node architectures based on optical switch matrices and wavelength converters (WCs). Relatively small and cheap switches are required while WCs efficiently improve bl...