搜索结果: 1-15 共查到“光学工程 Amplification”相关记录38条 . 查询时间(0.109 秒)
A novel bidirectional transmission system is proposed and experimentally demonstrated using a four-port interleaver to enable unidirectional amplification. Following bidirectional transmission through...
This investigation presents a novel 50-GHz interleaved bidirectional transmission system with eight wavelengths that uses four-port interleavers in a bidirectional recirculating loop. This bidirection...
Two-Pump Distributed Parametric Amplification for Optically Powered Communication System
Fiber optics amplifiers oscillators Nonlinear optics parametric processes
2011/5/25
We demonstrate a power-efficient two-pump distributed parametric amplification(DPA) system. The residual pumps are recycled to power up the receiving component. At the BER of 10 −9 , power penal...
Long-Range Distributed Strain and Temperature Sensing with 40-cm Spatial Resolution Based on DPP-BOTDA Employing Optical Pre-Amplification and Simplex Coding
Fiber optics sensors Stimulated scattering
2011/5/25
Sub-meter resolution sensing has been achieved employing linear pre-amplification with Simplex-coded pulses employing DPP-BOTDA. Results demonstrate a spatial resolution of ~40 cm over 56km sensing fi...
117-Gb/s Optical OFDM Super-channel Transmission over 1200-km SSMF Using Direct Detection and EDFA-Only Amplification
Fiber optics communications Modulation
2011/5/22
With EDFA-only amplification, we successfully demonstrate the transmission of a 4-QAM, 117-Gb/s (100 Gb/s without overhead) DDO-OFDM super-channel over 1200-km SSMF with only 1-dB OSNR penalty. We als...
Phase Sensitive Degenerate Parametric Amplification Using Highly Efficient PPLN Ridge Waveguides
Nonlinear optics parametric processes Lithium niobate
2011/5/22
We constructed the first CW pumped degenerate parametric amplifier based on PPLN waveguides. We successfully demonstrated an in-phase gain of +11 dB and the phase sensitive amplification of a modulate...
Parametric Amplification of 112 Gbit/s Polarization Multiplexed DQPSK Signals in a Fiber Loop Configuration
Parametric Amplification Polarization Multiplexed DQPSK Signals Fiber Loop Configuration
2011/5/21
Parametric amplification of 112-Gbit/s-33%-RZ-DQPSK signals with 20 dB on-off- gain is shown using highly nonlinear fiber in a polarization diversity configuration. The measured OSNR penalty at a BER ...
Parametric Amplification of 28-GBd NRZ-16QAM Signals
Parametric Amplification 28-GBd NRZ-16QAM Signals
2011/5/21
We show experimentally parametric amplification of 28-GBd NRZ-16QAM signals with 11 dB polarization-dependent on-off gain and negligible OSNR penalty by using a high-power, low-noise DFB pump laser.
Robust design of all-optical PSK regenerator based on phase sensitive amplification
Robust design all-optical PSK regenerator based phase sensitive amplification
2011/5/20
More compact, stable, and efficient configuration of a recently-developed regenerator is presented. The regenerator is assessed at data rates up to 56 Gbit/s using white phase noise for the first time...
432Gbit/s O-OFDM QPSK signal transmission over 400km SMF-28 with EDFA-only amplification
O-OFDM QPSK signal transmission
2011/5/15
432Gbit/s O-OFDM QPSK transmitter has been proposed and experimentally demonstrated.After transmission over 400km standard single-mode fiber (SMF), the measured BER is smaller than 2 ×10 -5 .
All-fiber Autocorrelator based on Parametric Amplification
All-fiber Autocorrelator Parametric Amplification
2011/5/15
We investigate the feasibility of an all-fiber optical autocorrelator based on parametric amplification. Our preliminary results indicate that it is possible to measure pulse widths below 100ps.
Self-Homodyne 10 Gbit/s PSK Receiver based on Stimulated Brillouin Amplification and Electrical Filtering
Optical communications Optical processing
2010/6/10
We demonstrate the first self-homodyne coherent detection of 10 Gbit/s PSK signals using Brillouin amplification of the optical carrier. Performance close to the ideal homodyne receiver is obtained by...
Generation of frequency symmetric signals from a BPSK input for Phase Sensitive Amplification
Nonlinear optics four-wave mixing All-optical networks
2010/6/10
We report a novel system for simultaneous carrier recovery and frequency symmetric signals generation from a NRZ-BPSK input by exploiting FWM in HNLF for phase sensitive amplification.
1-Tb/s DWDM Amplification in a Fiber Optical Parametric Amplifier
Parametric oscillators amplifiers Fiber optics communications
2010/6/10
We report less than 1-dB cross-talk penalty for 26 DWDM channels modulated at 43.7 Gb/s RZ-DPSK when amplified by a fiber optical parametric amplifier showing compatibility with high-capacity (> 1 Tb/...
Normal dispersion, Polarization-maintaining Erbium Doped Fiber for Short Pulse Amplification
Fiber optics amplifiers oscillators Fibers erbium
2010/6/9
We propose normal dispersion polarization-maintaining Erbium doped fibers (EDFs) for short pulse amplification reducing nonlinearity and optimizing chromatic dispersion simultaneously. Evaluations of ...