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Scalable Optical Packet Switch for Optical Packets with Multiple Modulation Formats and Data Rates
Scalable Optical Packet Switch Optical Packets Multiple Modulation Formats Data Rates
2009/7/16
We present a scalable, low latency optical packet switch for optical packets with multiple modulation formats. Results show error-free operation of 1x8 optical packet switch for 160Gb/s RZ-OOK, 320Gb/...
Pseudo-Return-to-Zero Modulation Scheme:Application to the Compensation of Intra-Polarization Skew for PolMux Signals
Pseudo-Return-to-Zero Modulation Scheme Compensation Intra-Polarization Skew PolMux Signals
2009/7/15
We demonstrate a precise skew monitoring between multiplexed polarizations, demultiplexed polarization discrimination and large-PMD tolerance enhancement for 110Gbit/s PolMux-QPSK signal, by introduci...
POLMUX-QPSK modulation and coherent detection:the challenge of long-haul 100G transmission
POLMUX-QPSK modulation long-haul 100G transmission
2009/7/15
The rise of coherent detection and digital signal processing is drastically changing the design of optical transmission systems. In this paper we review the challenges and opportunities offered by suc...
All-Optical Logic Gates (XOR, AND, and OR) Based on Cross Phase Modulation in a Highly Nonlinear Fiber
All-Optical Logic Gates XOR AND Cross Phase Modulation Highly Nonlinear Fiber
2009/7/15
We report an all-optical multi-logic gate based on cross-phase modulation in a highly nonlinear fiber and demonstrate XOR, AND, and OR operations at 10 Gb/s.
All-Optical 3R Regeneration at 40 Gb/s in a Recirculating Loop Utilizing Raman Amplification, Nonlinear Phase Modulation, and Offset Filtering
All-Optical 3R Regeneration Recirculating Loop Utilizing Raman Amplification Nonlinear Phase Modulation Offset Filtering
2009/7/15
The performance of an all-optical 3R regenerator for 40 Gb/s RZ-OOK signals is investigated experimentally using a recirculating loop. A power penalty of 1.2 dB is obtained for 100 loops (8,000 km).
Chromatic Dispersion Tolerant Subcarrier Multiplexing Scheme Based on Tandem Frequency Shifted Optical SSB Modulation
Chromatic Dispersion Tolerant Subcarrier Multiplexing Scheme Tandem Frequency Shifted Optical SSB Modulation
2009/7/15
We propose a novel CD tolerant SCM scheme using tandem frequency shifted optical SSB modulation,which supports high frequencies and removes fading effect from vestigial sideband. Experiments show the ...
Experimental Demonstration of Joint SPM Compensation in 44-Gb/s PDM-OFDM Transmission with 16-QAM Subcarrier Modulation
Joint SPM Compensation PDM-OFDM Transmission Subcarrier Modulation
2009/7/14
We report the experimental demonstration of a recently proposed joint self-phase modulation compensation scheme in a single-channel 44-Gb/s polarization-division multiplexed OFDM transmission with 16-...
Optical Frequency Comb Generators Based on Fabry-Perot Electro-Optic Modulation
Optical frequency comb generator Fabry-Perot electro-optic modulator Optical frequency standard
2009/6/12
Optical frequency comb generators based on Fabry-Perot electro-optic modulator and its applications were introduced. The applications have been spreading beyond the first purpose as an optical frequen...
All-optical frequency down-conversion based on cross-phase modulation in high nonlinearity dispersion-shifted fiber for WDM radio over fiber application
all-optical frequency down-conversion radio over fiber (ROF)
2009/1/6
Simultaneous all-optical frequency down-conversion technique based on cross-phase modulation in a high nonlinearity dispersion-shifted fiber is proposed and verified by simulation, and its application...
Gas temperature measurements using wavelength modulation spectroscopy at 1.39 μm
combustion gas temperature measurements
2009/1/6
Gas temperature measurements in a combustion system by using wavelength modulation spectroscopy 2f ratio of two selected transitions method were presented for 1.39 μm. Wavelength modulation was perfor...
Experimental demonstration of 10 Gbit/s upstream transmission by remote modulation of 1 GHz RSOA using Adaptively Modulated Optical OFDM for WDM-PON single fiber architecture
upstream transmission remote modulation RSOA WDM-PON single fiber architecture
2008/8/6
We experimentally demonstrate the use of AMOOFDM format for remote modulation of low-bandwidth RSOA as a cost effective solution for 10 Gbit/s upstream transmission in 20 km single fiber WDM-PON archi...
Transmission of 81 channels at 40Gbit/s over a Transpacific-Distance Erbium-only Link, using PDM-BPSK Modulation, Coherent Detection, and a new large effective area fibre
Transmissio channels Erbium-only Link PDM-BPSK Modulation
2008/8/6
Eighty-one channels spaced by 50GHz and modulated at 40Gbit/s are transmitted over 11520km, thanks to RZ PDM-BPSK modulation, coherent detection, and a new large effective area fibre.
Tunable OTDR (TOTDR) Based on Direct Modulation of Self-injection Locked RSOA for Line Monitoring of WDM-PON
Tunable OTDR (TOTDR) Locked RSOA Line Monitoring WDM-PON
2008/8/6
We demonstrate a TOTDR based on direct modulation of self-injection locked RSOA for line monitoring of WDM-PON. The proposed TOTDR has 30 nm tuning range and 50 m resolution.
160 Gbit/s OTDM Transmission over 26 km PCF with Demultiplexing Technique Employing Phase Modulation-Based Pump Pulse Generation
OTDM Transmission PCF Demultiplexing Technique Pump Pulse
2008/8/4
160 Gbit/s OTDM signal was successfully transmitted over 26-km long PCF. The transmitted signal was demultiplexed with fibre FWM employing newly adopted phase modulation-based pump pulse source.
Utilisation of a self-phase-modulation-based compressor to overcome Brillouin backscattering and intrachannel four-wave mixing in a 2R regenerator at 42.6 Gbit/s
compressor overcome Brillouin backscattering intrachannel four-wave 2R regenerator
2008/8/4
We report the efficient use of a SPM-based compressor to avoid Brillouin backscattering and intrachannel four-wave mixing in a SPM-based regenerator at 42.6 Gbit/s.