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Normal dispersion, Polarization-maintaining Erbium Doped Fiber for Short Pulse Amplification
Fiber optics amplifiers oscillators Fibers erbium
2015/6/9
We propose normal dispersion polarization-maintaining Erbium doped fibers (EDFs) for short pulse amplification reducing nonlinearity and optimizing chromatic dispersion simultaneously. Evaluations of ...
Single-Frequency Hybrid Brillouin/Ytterbium Fiber Laser with 1-W Output Power
Lasers fiber Lasers ytterbium Nonlinear optics fibers
2015/6/8
A high-power hybrid Brillouin/ytterbium fiber laser is demonstrated with an output power of 1 W. The laser operates in the single-frequency regime with an optical signal-to-noise ratio greater than 55...
Link Performance Improved 16QAM-OFDM 60-GHz Radio-over-Fiber System Employing Convolutional Codes
Fiber optical communications Fiber optics links subsystems
2015/6/8
We demonstrated the first transmission of 750-Mb/s 16QAM-OFDM signal over 1-km SMF-28 and 6-m air-link with 60-GHz ROF technology. The system improvement and low-power efficiency of RF transmitter are...
Ultra-wideband radio-over-fiber techniques and networks
Fiber optics ptical communications Radio frequency photonics
2015/6/8
This paper summarizes the motivations and results obtained regarding the optical distribution of a 60GHz radio signal throughout buildings to provide users with Ultra-Broad-Band Wireless Home Area Net...
OFDM Spectral Efficiency Limits from Fiber and System Non-Linearities
Fiber optic communication Modulation
2015/6/8
Coherent optical OFDM systems offer a straight-forward approach to address high spectral effi-ciency. Non-linear impairments set limits to the maximum spectral efficiency. The limiting effects are ex-...
100 GHz Ultra-wideband Wireless System for the Fiber to the Antenna Networks
Fiber optics communications Optical communications
2015/6/8
We experimentally demonstrate an optical ultra-wideband (UWB) (75GHz-110GHz)fiber-to-the-antenna (FTTA) system using our developed W-band near-ballistic unitraveling-carrier photodiode (NBUTC-PD) base...
Phase-Transparent Optical Data Exchange of 40-Gbit/s DPSK Signals Using Four-Wave-Mixing in a Highly Nonlinear Fiber
Optical communications Frequency conversion
2015/6/8
We report the phase-transparent optical data exchange based on non-degenerate FWM in an HNLF via theoretical analysis and experimental verification. 40-Gbit/s NRZ-DPSK data exchange is demonstrated wi...
Phase-Incoherent DPSK Regeneration Using a Fiber-Sagnac Interferometer
Phase modulation Nonlinear optical signal processing
2015/6/8
We experimentally demonstrate for the first time phase-incoherent regeneration of DPSK signals based on fiber-Sagnac interferometer. Power penalty improvement of phase-, amplitude- and ASE-noise loade...
110-Gb/s Multi-band Real-time Coherent Optical OFDM Reception after 600-km Transmission over SSMF Fiber
Fiber optics links subsystems Coherent communications
2015/6/8
We demonstrate real-time reception of a 110-Gb/s multi-band OFDM signal after transmission of 600-km SSMF fiber and 400-ps differential-group-delay. The performance of 110-Gb/s CO-OFDM signal is chara...
New propagation mode of fiber fuse with a long-period damage track in hole-assisted fiber (HAF)
Fiber characterization Microstructured fibers
2015/6/5
We observed a new fiber fuse propagation mode in HAF with an approximately 30 times larger period than that in SMF. We made the first observation of a new fiber fuse threshold power (upper threshold).
High Power Fiber Lasers and Amplifiers for Applications in Telecommunications
High Power Fiber Lasers Amplifiers Applications Telecommunications
2015/6/5
We describe the current technology and applications of watt to multi-watt fiber lasers and amplifiers in all areas of fiber optic and free space optical communications.
Vector Signal Transmission in Radio-Over-Fiber Link Employing Optical Multi-Sidebands Modulation Scheme
Fiber optics communications Radio frequency photonics
2015/6/5
We propose theoretically and experimentally demonstrate a radio-over-fiber link employing optical multi-sidebands modulation to transmit vector signals, with the advantages of overcoming dispersion-in...
Bi-doped Fiber Lasers and Amplifiers for a Wavelength Range of 1300-1500 nm
Fiber optics amplifiers oscillators Lasers fiber
2015/6/5
Bi-doped fibers are a promising medium for lasers and amplifiers in the 1150-1600nm wavelength range. We present the results on the development of Bi-doped fiber lasers and amplifiers for telecom wind...
Four-Wave Mixing in Highly Ge-Doped Nonlinear Fiber
Nonlinear optics fibers Nonlinear optics four-wave mixing Highly Ge- doped nonlinear fiber
2015/6/5
We demonstrate and study four-wave mixing in an 11-m highly Ge-doped nonlinear-fiber (HDF) for the first time. The HDF is highly compatible with standard single mode fiber that allows a homogeneous pl...
Ge-doped Laser Fiber with Suppressed Stimulated Brillouin Scattering
Fiber design fabrication Fiber properties
2015/6/5
Ge-doped laser fibers with suppressed SBS are proposed. By taking advantage of the difference between optical and acoustic properties, higher SBS thresholds of 3-5 dB are shown numerically while maint...
