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Experimental Demonstration of a High-Speed Optical Correlator For Phase-Modulated Packets
High-Speed Optical Correlator Phase-Modulated Packets
2015/8/4
A high-speed programmable optical correlator for phase-modulated packets is demonstrated at 40 Gb/s. The system is based on the temporal analogue of the spatial 4-f correlator.
First Demonstration of 10-Gbit/s Operation of an All-Optical Error Detection Circuit
All-Optical Error Detection Circuit
2015/8/4
We demonstrate the operation of an all-optical error detection circuit consisting of all-optical XOR gates using SOA-MZI’s. We could successively observe error signals in the syndrome.
Demonstration of Broadband Ultra-low Bending-loss Optical Fiber
Broadband Ultra-low Bending-loss Optical Fiber
2015/8/4
A double-clad optical fiber with ring cores and a trench was demonstrated to show attenuation of 0.02- 0.04 dB/turn at 1550nm for 10mm of bending diameter.
Demonstration of High Spectral Efficient OFDM-QAM Long Reach Passive Optical Network
High Spectral Efficient OFDM-QAM Passive Optical Network
2015/8/4
We demonstrate a high spectral-efficient LR-PON using 4Gb/s OFDM-QAM for both up-and-downstream, achieving a high split-ratio 256, using optical components optimized for GPON.
Demonstration of GMPLS-controlled Inter-domain Transparent Optical Networks
GMPLS-controlled Inter-domain Transparent Optical Networks
2015/8/3
GMPLS extensions such as the wavelength label supporting 3R regenerators and BGP dissemination of wavelength reachability across domain boundaries were proposed. Resilient end-to-end lighpath provisio...
High Capacity Demonstration of a Compact Regrowth-Free Integrated 4 x 4 Quantum Well Semiconductor Optical Amplifier Based Switch
Compact Regrowth-Free Integrated Quantum Semiconductor Optical Amplifier Based Switch
2015/8/3
A fibre-to-fibre lossless integrated 4x4 SOA switch achieves an IPDR ~6dB at <2dB penalty for 8 λ x10Gb/s.10Gb/s cascaded operation of two 4x4 switches is demonstrated.
First Demonstration on the Non-transparency of FWM and Its Application of 40 Gbit/s All-Optical CSRZ-to-RZ Format Conversion
Non-transparency of FWM All-Optical CSRZ-to-RZ Conversion
2015/8/3
We report first experimental demonstration on the non-transparent characteristic of FWM using NRZ-DPSK, RZ-DPSK, CSRZ-DPSK, and CSRZ signals. One potential non-transparency application of 40Gbit/s CSR...
Experimental Demonstration of the Reduction of PDL and DGD in Fibre Bragg Gratings by Using a Twisted-Fibre for the Inscription
PDL DGD Fibre Bragg Gratings Twisted-Fibre Inscription
2015/8/3
We experimentally report the possibility to reduce PDL and DGD in fibre Bragg gratings by inducing polarization mode coupling. This is obtained by using a twisted-fibre for the inscription.
First Demonstration of Fast Automatic-Gain-Control (AGC) PDFA for Amplifying Burst-Mode PON Upstream Signal
Automatic-Gain-Control (AGC) PDFA Amplifying PON Upstream Signal
2015/8/3
The effectiveness of installing fast AGC in a PDFA for amplifying burst mode PON upstream signals is reported for the first time. The technique has the potential to realize high-gain/high-power burst-...
Demonstration of contention resolution between two 40 Gb/s packet streams using multiple photonic chip optical buffers
contention resolution between packet streams multiple photonic chip optical buffers
2015/8/3
Integrated optical RAM using InP switches with silica waveguide delays perform contention resolution with 99% packet recovery for 40-byte packets. Two buffered inputs and two packet depths are demonst...
Scalable GE-PON over OCDMA without sacrifice of upstream bandwidth:Principle and Its Experimental Demonstration of 2xGE-PON Systems over 2x63-chip Code
GE-PON OCDMA upstream bandwidth Principle Experimental Demonstration Systems over
2015/8/3
We propose a scalable GE-PON over OCDMA system without sacrificing upstream bandwidth and experimentally demonstrate burst-data transmission of 2xGE-PON systems over 2xCodes using 10 Gbit/s-capable 63...
Demonstration of a full duplex PON featuring 2.5 Gbps Sub Carrier Multiplexing downstream and 1.25 Gbps upstream with colourless ONU and simple optics
duplex PON featuring Carrier Multiplexing downstream colourless ONU optics
2015/8/3
We demonstrate a full-duplex DPSK SCM PON operating at 2.5Gbps/1.25Gbps bitrates, with RSOA ONU and simplified scheme. It achieves low sensitivity and is implemented with low-cost components.
Experimental Demonstration of Optical 5-Gb/s 16-QAM OFDM Signal Generation and Wavelength Reuse for 1.25-Gbit/s Uplink Signal
Optical OFDM Signal Generation Wavelength Reuse Uplink Signal
2015/8/3
5Gb/s 16QAM OFDM signal for ROF downstream link and 1.25Gb/s OOK signal via RSOA for upstream link are demonstrated. Negligible penalty is observed after 25km SMF.
Experimental demonstration of secure 16-ary, 2.5Gbit/s OCDMA using single multi-port en/decoder
OCDMA single multi-port en/decoder
2015/8/3
Secure 16ary OCDMA is experimentally demonstrated by encoding four serial bits at 2.49Gbps into 16optical codes via serial-to-parallel conversion and decoding by a multiport optical encoder/decoder.
Experimental Demonstration of Multicarrier-CDMA for Passive Optical Networks
Multicarrier-CDMA Passive Optical Networks
2015/7/31
Optical multicarrier-CDMA is experimentally demonstrated for the first time. The system supports up to 256 users at a total bit rate of 15-Gb/s with almost no penalty after 70-Km transmission.