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Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Gain spectrum of an optical parametric amplifier with a temporally-incoherent pump
Gain spectrum optical parametric amplifier temporally-incoherent pump
2015/6/10
We report on the performance of a fiber optical parametric amplifier pumped with a temporally-incoherent pump. Parametric gain coefficients seven times higher than that of a coherently pumped amplifie...
Full Characterization of Noise Figure Spectrum in a Single- Pumped Fiber Parametric Amplifier
Fiber optics amplifiers and oscillators Nonlinear optics four-wave mixing Raman effect
2015/6/10
For the first time, an asymmetric NF spectrum induced by both Raman induced excess noise and Raman modified pump transferred noise of a fiber parametric amplifier has been measured. Experimental resul...
Noise Figure Measurements in Phase-Insensitive and Phase-Sensitive Fiber Parametric Amplifier Cascade
Fiber optics amplifiers and oscillators Nonlinear optics four-wave mixing
2015/6/10
By cascading two non-degenerate inline fiber-optic parametric amplifiers, we observe NF ~2dB (beating phase-insensitive quantum limit) at 16-dB gain for the second (phase-sensitive)stage after subtrac...
1-Tb/s DWDM Amplification in a Fiber Optical Parametric Amplifier
Parametric oscillators amplifiers Fiber optics communications
2015/6/10
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/...
Gain Clamping in a Fiber Optical Parametric Amplifier
Fiber optics amplifiers and oscillators Fiber optics communications Nonlinear optics fibers
2015/6/4
We have experimentally shown that gain clamping is required in fiber optical parametric amplifiers. By using optical gain clamping (OGC), we have reduced gain variation to 1 dB, for signal input varia...
Reduced Four-Wave Mixing Crosstalk in a Short Fibre Optical Parametric Amplifier
Four-Wave Mixing Crosstalk Short Fibre Optical Parametric Amplifier
2015/7/14
Four-wave mixing crosstalk in a fibre OPA has been reduced by 16dB by decreasing the fibre length from 340m to 50m and increasing the pump power to maintain the gain at 20dB.
Continuous-Wave One-Pump Fiber Optical Parametric Amplifier with 270 nm Gain Bandwidth
Pump Fiber Optical Parametric Amplifier
2015/7/14
We report operation of a continuous-wave one-pump fibre OPA with net gain between 1447 nm and 1717 nm. We used a 114 m long step-index highly-nonlinear fibre, and 5 W of pump power.
Measurement of Sub-1dB Noise Figure in a Non-Degenerate Cascaded Phase-Sensitive Fibre Parametric Amplifier
Measurement Noise Figure Non-Degenerate Cascaded Phase-Sensitive Fibre Parametric Amplifier
2015/7/14
Noise figure (NF) spectrum as well as its signal-power-dependence in a non-degenerate cascaded phase-sensitive fibre parametric amplifier was characterized. A 0.8dB NF (2dB below the conventional quan...
Experimental Comparison of Gain and Saturation Characteristics of a Parametric Amplifier in Phase-sensitive and Phase-insensitive Mode
Plenary Paper Coming Capacity Crunch
2015/7/14
We demonstrate a parametric amplifier with precise control of the in-going waves and study gain and saturation properties in both PSA and PIA mode. A PSA gain of 33 dB is achieved.
Wavelength Demultiplexer Based on a Continuous-Wave Bismuth-Oxide Fiber Optical Parametric Amplifier
Wavelength Demultiplexer Continuous-Wave Bismuth-Oxide Fiber Optical Parametric Amplifier
2015/8/6
We used the sub-nanometer bandwidth of a bismuth-oxide fiber OPA for demultiplexing 10Gb/s channels 100GHz apart with penalty <2dB. We obtained -20dB of crosstalk, with 2.5W of CW pump power.
Continuous-Wave Bismuth-Oxide One-Pump Fiber Optical Parametric Amplifier
Continuous-Wave Bismuth-Oxide One-Pump Fiber Optical Parametric Amplifier
2015/8/4
We obtained 6dB gain with a one-pump fiber OPA using a 3-m long Bi-HNLF fiber. Pump power was 30.2dBm.SBS suppression required 300MHz PRBS phase modulation.
Phase-Noise Generation in an Amplitude Limiter Using Saturation of a Fiber-Optic Parametric Amplifier
Amplitude Limiter Saturation Fiber-Optic Parametric Amplifier
2015/8/4
Generation of phase noise in output signals of an amplitude limiter using saturation of FOPA is analyzed. It is shown that optimum pump power exists for minimum output phase noise.
All-optical RZ-DPSK OTDM De-Multiplexing using Optical Parametric Amplifier with a Clock-Modulated Pump
All-optical RZ-DPSK OTDM De-Multiplexing Optical Parametric Amplifier Clock-Modulated Pump
2015/7/31
RZ-DPSK OTDM demultiplexing from 40 to 10Gbps is achieved using OPA with clock-modulated pump. <1.3-dB penalty and ~28-dB gain were achieved for four demultiplexed channels.