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Compact and wideband optical 90o hybrid based on a one- way tapered MMI coupler
Compact wideband optical 90o hybrid based apered MMI coupler
2015/5/21
We report compact and wideband 90o hybrid with a one-way tapered 4×4 MMI waveguide. The fabricated device with a device length of 198 μm exhibited a phase deviation of <±5.4o over a 70-nm-wide spectra...
Compact 4x4 Optical Cross-connect with Add/Drop Ports using PLC Technology
Compact 4x4 Optical Cross-connect Add/Drop Ports PLC Technology
2015/5/18
Compact and practical 4-degree optical cross-connect equipment with add/drop ports is realized for use in connecting ROADM ring networks. Eight 40-channel AWGs and forty 4x4 matrix switches are integr...
Demonstration of Compact Hierarchical Optical Path Cross-Connect Utilizing Wavelength/Waveband Selective Switches
Optical communications Switching circuit
2015/6/5
We demonstrate a compact wavelength/waveband selective switch based hierarchical optical cross-connect (HOXC) system for the first time. Its performance confirms that the HOXC will be applied to creat...
Compact and Broadband Coherent Receiver Front-End for Complete Demodulation of a 1.12-Terabit/s Multi-Carrier PDM-QPSK Signal
Broadband Coherent Receiver Multi-Carrier PDM-QPSK Signal
2015/7/20
We report a compact coherent receiver front-end consisting of an integrated 4x40 arrayed-waveguide-grating array following a polarization-diversity hybrid for complete demodulation of a 1.12-Tb/s mult...
Compact Holographic Storage by Using a Fiber Bundle to Guide the Reference Beam
Optical holographic storage Phase coded multiplexing Shift multiplexing
2009/6/15
We propose a compact volume holographic storage system, in which a fiber bundle is used to guide the reference beam. For demonstrating the system, phase-coded multiplexing is implemented by changing t...