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Upper Bound on the Modal Material Loss Rate in Plasmonic and Metamaterial Systems
Modal Material Loss Rate Plasmonic Metamaterial Systems
2015/8/7
A better understanding of optical loss in plasmonic and metamaterial systems is of increasing importance for both basic and applied research in a broad range of topics including sensors, antennas,opti...
Demonstration of Baud-Rate-Variable and Channel- Spacing-Tunable Demultiplexing of 10-40-Gbaud OFDM Subcarriers using a Multi-Tap Optical DFT
Fiber optics links subsystems Nonlinear wave mixing
2015/5/25
We experimentally demonstrate a tunable and reconfigurable optical DFT to demodulate 10-40-Gbuad OFDM with 2/3/4 subcarriers at 20/40GHz frequency spacing. Average power penalty of ~7 dB at BER of 10 ...
Ultimate Limits of Effective Area and Attenuation for High Data Rate Fibers
Fiber design fabrication Fiber characterization
2015/5/25
High data rate telecommunication networks operating at 100 Gb/s require low loss fibers with very large effective areas to mitigate nonlinearities. The state of the art fiber technologies needed to ac...
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers with Extremely High Data-Rate/Power-Dissipation Ratios
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers Extremely High Data-Rate/Power-Dissipation Ratios
2015/5/21
By using oxide-relief technique, a high modulation-efficiency (9.8GHz/mA 1/2 ) and a high modulation-speed (34 Gbps) with a record-high data-rate/power-dissipation ratios (2.9 (9.2) Gbps/mW at 34 (12....
A Broadband, Spectrally Flat, High Rep-rate Frequency Comb: Bandwidth Scaling and Flatness Enhancement of Phase Modulated CW through Cascaded Four-Wave Mixing
Broadband Spectrally Flat High Rep-rate Frequency Comb Bandwidth Scaling Flatness Enhancement Phase Modulated CW Cascaded Four-Wave Mixing
2015/5/20
We demonstrate a scheme to scale the bandwidth by several times while enhancing spectral flatness of frequency combs generated by intensity and phase modulation of CW lasers using cascaded four-wave m...
Efficient Shared Subconnection Protection in Mixed-Line-Rate Optical WDM Networks
Efficient Shared Subconnection Protection Mixed-Line-Rate Optica WDM Networks
2015/5/20
Employing Mixed Line Rates (MLR) in optical WDM networks enables new paradigms for protection. We propose to design transparent MLR networks with shared subconnection protection and achieve significan...
Bandwidth Measurement of Multimode Fibers through System Level Bit Error Rate Testing
Bandwidth Measurement Multimode Fibers Bit Error Rate Testing
2015/5/18
A new bandwidth measurement method for multimode fibers is developed through measuring bit error rate and power penalty associated with the testing system. Experimental calibration procedure and actua...
Characterization of strongly spun fibers with spin rate exceeding OFDR spatial resolution
spun fibers spin rate xceeding OFDR spatial resolution
2015/5/18
We describe an OFDR-based procedure to measure the spin of optical fibers with spin rates exceeding OFDR resolution. Fibers are twisted to locally unwind the spin and measurements are afterward reasse...
Delay-Asymmetric Nonlinear Loop Mirror for Bit-Rate Variable RZ-to-NRZ Format Conversion
Delay-Asymmetric Nonlinear Loop Mirror it-Rate Variable RZ-to-NRZ Format Conversion
2015/5/15
We demonstrate RZ-to-NRZ pulse format conversion at tunable bit-rates using a delay-asymmetric nonlinear loop mirror. The input RZ-OOK signals are converted to NRZ-OOK signals with a power penalty les...
On the Energy Efficiency of Mixed-Line-Rate Networks
Energy Efficiency Mixed-Line-Rate Networks
2015/6/11
We present an approach to evaluate energy efficiency of mixed-line-rate (MLR)optical networks. A comparative study of energy efficiency of MLR and single-line-rate (SLR)networks shows that MLR is more...
New and Improved Strategies for Optical Protection in Mixed-Line-Rate WDM Networks
Networks combinatorial network design wavelength routing
2015/6/10
Employing Mixed Line Rates (MLR) in optical WDM networks enables new paradigms for protection at lightpath level. We design transparent MLR networks with dedicated protection and achieve significant c...
Very High Bit Rate Transmission for NGPON using AMOOFDM Direct Modulation of Linear Laser
Fiber optics communications Modulation
2015/6/9
Experimental demonstration of a bit rate as high as 32 Gbit/s is achieved over 20 km SMF for NGPON in a temperature range of 5°C-60°C using AMOOFDM direct modulation of a linear laser.
Demonstration of Bit Rate Variable ROADM functionality on an Optical OFDM Superchannel
Coherent communications Multiplexing
2015/6/9
We demonstrate a bit rate variable add- and drop function performed on an optical OFDM superchannel signal by optical filtering and superposition of OFDM subbands and the application of different modu...
Next Generation Photonic Network Elements–Multigranularity Switching and Rate Flexible Transponders
Fiber optics communications Fiber optics links and subsystems Switching circuit
2015/6/9
This paper presents advanced network elements that achieve extremely high capacity and bandwidth flexibility in next-generation photonic networks. Multi-granularity-switching nodes and bit-rate-flexib...
Sub-Rate Sampling in 100 Gb/s Coherent Optical Receivers
Fiber Optics Communications Coherent communications
2015/6/9
We investigate the feasibility of ADC sampling rate below 2x versus optical/electrical bandwidths in 100G-PM-QPSK coherent receivers. We find <0.5 dB penalty for rates down to 5/4x even for dispersion...