搜索结果: 1-15 共查到“激光及激光器技术 Quantum”相关记录17条 . 查询时间(1.149 秒)
Single-mode 1.52 μm InAs/InP quantum dot DFB lasers
Quantum devices Lasers distributed-feedback
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2015/5/25
Single-mode InAs/InP quantum dot DFB lasers with side-mode suppression ratio greater than 62 dB are demonstrated, operating CW up to 80°C. Relative intensity noise was less than -153 dB/Hz from 1 MHz ...
437 GHz Optical Pulse Train Generation from a C-Band InAs/InP Quantum Dot Laser
Lasers pulsed Quantum-wel dot devices
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2015/5/22
We demonstrate 437 GHz optical pulse train generation based on grating coupled external cavities using InAs/InP quantum dots as the gain material. It is the highest repetition rate ever produced by QD...
Coherent State Quantum Key Distribution with Continuous-Wave Laser Beams
Quantum optics Optical security encryption Quantum communications
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2015/6/10
Continuous variable quantum key distribution relies on the transmission of weakly modulated coherent states and the detection of optical field for secure communication. In this talk, we give an overvi...
Raman Extended GPON using 1240 nm Semiconductor Quantum-Dot Lasers
Fiber optics communications Fiber optics links subsystems
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2015/6/9
We present an experimental demonstration of GPON reach extension to 50 km with a 32-way PON split using Raman amplification of the upstream signal with 1240 nm quantum-dot pump lasers.
10.3-Gb/s Operation over a Wide Temperature Range in 1.3-μm Quantum-dot DFB Lasers with High Modal Gain
Lasers distributed-feedback Quantum dot devices
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2015/6/8
Temperature-stable 10.3-Gb/s operation was attained for 1.3-μm quantum-dot DFB lasers with high modal gain. Clearly-opened eye diagrams with the extinction ratio of over 5.2 dB were obtained from -40o...
40 Gb/s XPM Based All-Optical Retiming Using Filtered Clock Signals From A Quantum-Dash Fabry-Perot Laser
Fiber optic communications Nonlinear optics fibers All-optical devices
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2015/6/8
The implications of the number of laser modes in the spectrum of a filtered clock signal on XPM based retiming is investigated in terms of SBS suppression, spectral broadening and timing jitter.
A Novel Theoretical Procedure to Determine Absorption and Gain Coefficients in a Symmetric Single Step-Index Quantum Well Laser
Novel Theoretical Procedure Determine Absorption Gain Coefficients Symmetric Single Step-Index Quantum Well Laser
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2009/7/28
If the indices nII, nI,III of the regions, the thickness 2a of the active region (AR) and the wavelength l for a single symmetric step-index quantum well laser (SSSIQWL) are given, the normalized prop...
Effect of the wetting layer on intensity noise in quantum dot laser
Effect intensity noise quantum dot laser
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2015/7/17
We show through a simple theoretical formulation and in good agreement with experimental measurements that the wetting layer may increase the relative intensity noise at low frequencies in quantum-dot...
720-fs Pulse Generation with 40 GHz Passively-Mode Locked Quantum-Dash Fabry-Pérot Laser
Pulse Generation Passively-Mode Locked Quantum-Dash Fabry-Pérot Laser
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2015/7/17
Generation of 720-fs pulses by passively mode-locked Fabry-Pérot lasers is demonstrated. Pulse width is analyzed in terms of the longitudinal modes passing through a variable band-pass filter placed a...
Quantum-Dot Semiconductor Optical Booster Amplifier with Ultrafast Gain Recovery for Pattern-Effect Free Amplification of 80 Gb/s RZ-OOK Data Signals
Quantum-Dot Semiconductor Optical Booster Amplifier Ultrafast Gain Recovery Pattern-Effect Amplification RZ-OOK Data Signals
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2015/7/16
We present an InGaAs/GaAs quantum dot semiconductor amplifier with a 90%-10% nonlinear gain recovery time of only 16 ps which enables pattern-effect free amplification of 80 Gb/s RZ-OOK data signals w...
Laser Processing for Fabrication of Silicon Nanoparticles and Quantum Dot Functional Structures
Laser ablation Silicon Nanoparticles
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2009/6/12
We have developed technologies for fabricating nanoparticles of high purity and homogeneous size, and for synthesizing them into new quantum functional structures, such as fine definition luminous dev...
Error-free transmission of 8 WDM channels at 10 Gbit/s using comb generation in a quantum dash based mode-locked laser
Error-free transmission WDM channels quantum dash mode-locked laser
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2015/8/6
Error-free transmission over 50km single mode fiber of 8 WDM ITU channels with 100GHz channel spacing is demonstrated at 10Gbit/s by using comb generation in a quantum dash mode-locked laser.
Spectrum filtering and pulse compression of Quantum-Dash mode- locked lasers emitting at 1.55 μm
Spectrum filtering pulse compression Quantum-Dash mode- locked lasers
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2015/8/4
2.2ps pulses at 42.72GHz after spectrum filtering and 1.1ps pulses after chirp compensation are generated using mode-locked laser diodes based on 1.55 μm quantum dash.
High Capacity Demonstration of a Compact Regrowth-Free Integrated 4 x 4 Quantum Well Semiconductor Optical Amplifier Based Switch
Compact Regrowth-Free Integrated Quantum Semiconductor Optical Amplifier Based Switch
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2015/8/3
A fibre-to-fibre lossless integrated 4x4 SOA switch achieves an IPDR ~6dB at <2dB penalty for 8 λ x10Gb/s.10Gb/s cascaded operation of two 4x4 switches is demonstrated.
Single and Multiple Channel Operation Dynamics of Linear Quantum-Dot Semiconductor Optical Amplifier
Single Multiple Channel Operation Dynamics Linear Quantum-Dot Semiconductor Optical Amplifier
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2015/8/3
Ultra linear quantum-dot semiconductor optical amplifiers at 1.3 μm provide high dynamic input power range for single and multiple channels with error-free amplification. Good burst-mode tolerance is ...