搜索结果: 1-15 共查到“光学仪器及技术 laser”相关记录27条 . 查询时间(0.156 秒)
Characterization of Semiconductor-Laser Phase Noise with Digital Coherent Receivers
Characterization Semiconductor-Laser Phase Noise Digital Coherent Receivers
2015/5/20
We develop a method of characterizing semiconductor-laser phase noise using a digital coherent receiver. The field spectrum, FM-noise spectrum, and phase-error variance can completely describe phase-n...
Bismuth-Doped Optical Fiber Amplifier for 1430 nm Band Pumped by 1310 nm Laser Diode
Bismuth Optical Fiber Amplifier Pumped Laser Diode
2015/5/20
A 24dB gain Bismuth-doped fibre amplifier pumped by a 65mW commercial laser diode at 1310nm is reported for the first time. A 3dB bandwidth of 36nm and a noise figure of 6dB are demonstrated.
Pulsating master and injected slave weak-resonant-cavity laser diodes based quasi-color-free 2.5Gb/s RZ DWDM-PON
Pulsating weak-resonant-cavity color-free
2015/5/18
The 25-km bi-directional 2.5Gb/s pulsed-RZ transmission in a quasi-color-free DWDM-PON with down- and up-stream slave weak-resonant-cavity Fabry-Perot laser diodes(WRC-FPLDs) coherently injection-lock...
Pulsating master and injected slave weak-resonant-cavity laser diodes based quasi-color-free 2.5Gb/s RZ DWDM-PON
Pulsating weak-resonant-cavity color-free
2015/5/18
The 25-km bi-directional 2.5Gb/s pulsed-RZ transmission in a quasi-color-free DWDM-PON with down- and up-stream slave weak-resonant-cavity Fabry-Perot laser diodes(WRC-FPLDs) coherently injection-lock...
Pulsating master and injected slave weak-resonant-cavity laser diodes based quasi-color-free 2.5Gb/s RZ DWDM-PON
Pulsating weak-resonant-cavity color-free
2015/5/18
The 25-km bi-directional 2.5Gb/s pulsed-RZ transmission in a quasi-color-free DWDM-PON with down- and up-stream slave weak-resonant-cavity Fabry-Perot laser diodes(WRC-FPLDs) coherently injection-lock...
Self-Coherent Optical Transmission Using a Narrow Linewidth Tunable Slotted Fabry-Perot Laser
Coherent communication Semiconductor lasers
2015/6/4
A narrow linewidth slotted Fabry-Perot laser has been employed in a self-coherent optical transmission system. A comparison of the system performance of the tunable slotted laser with a SG-DBR laser h...
Optical Memory Elements with Extremely Wide Hysteresis Window (94mA) Using Partly Saturable-Absorber Novel Active MMI Bi-Stable Laser Diodes
Opto-electronics Optical switching devices
2015/6/4
Novel active MMI bi-stable laser diodes are proposed and demonstrated. Using partly saturable-absorber configuration in active MMI, extremely wide hysteresis window of 94mA was achieved with 30fJ opti...
Widely Tuneable Modulated Grating Y-Branch Chirp Managed Laser
Tuneable Modulated Grating Y-Branch Chirp Managed Laser
2015/7/20
We developed a 45 nm tuneable 18 GHz 3-dB bandwidth Modulated-Grating Y-branch laser and demonstrated a error-free 200- km transmission at 10 Gb/s with a drive voltage of 1.5 Vpp using Chirp Managed L...
Characterization of a Mode-Locked Quantum-Dash Fabry-Perot Laser Based on Measurement of the Complex Optical Spectrum
Mode-Locked Quantum-Dash Fabry-Perot Laser Complex Optical Spectrum
2015/7/17
By measuring the complex optical spectrum using a half-rate, sinusoidal modulation method, a mode locked quantum-dash Fabry-Perot laser is characterized for free-running operation and actively mode-lo...
Measurement of Fiber Chromatic Dispersion Using Spectral Interferometry with Modulation of Dispersed Laser Pulses
Chromatic Dispersion Spectral Interferometry Modulation Dispersed Laser Pulses
2015/7/16
We propose and experimentally demonstrate a simple accurate method for fiber dispersion measurement based on modulation of laser pulses stretched by the tested fiber. The spectral interferometry is im...
1.3 μm Passive Feedback Laser for 28 Gb/s and 40 Gb/s Transmission over Uncompensated SSMF Links
Passive Feedback Laser Transmission Uncompensated SSMF Links
2015/7/16
Passive Feedback Lasers for operation at 1.3 μm are developed with 32 GHz bandwidth and 7 dB extinction ratio. Transmission over 20 km uncompensated fibre link is demonstrated at 28 Gb/s and 40 Gb/s.
Bidirectional Transmission in Colourless WDM-PON based on Injection- Locked Fabry-Perot Laser at 2.5 Gbit/s using Low-Cost Seeding Source
Bidirectional Transmission Colourless WDM-PON Injection- Locked Fabry-Perot Laser Low-Cost Seeding Source
2015/7/16
Error-free transmission over 20km of 8-channels for both downstream and upstream in colourless WDM-PON based on injection-locked Fabry-Perot laser is experimentally demonstrated at 2.5Gbit/s, using a ...
Laser-induced stress waves facilitate targeted gene transfer（图）
Laser-induced stress waves targeted gene cells tissues
2009/6/17
It is well established that a strong pressure wave, known as a photomechanical or laser-induced stress wave (LISW), accompanies laser-induced plasma. For medical applications, LISWs are often undesira...
Cholesterol Removal Using a MIR Free Electron Laser in an Atherosclerotic Region
MIR Free electron laser (FEL) Cholesterol ester
2009/6/15
In order to estimate the optimum laser conditions for efficient dissociation of cholesterol ester in an arterio-sclerotic region of blood vessels, we have investigated the relationship between the las...
Medical Application Research Using a Mid-Infrared Free Electron Laser
MIR-FEL Medical application Primary absorber
2009/6/15
A mid-infrared Free Electron Laser (MIR-FEL) has potentials for medical application research. The MIR-FEL has great two advantages: (1) tunability and (2) double pulse structure. The Osaka MIR-FEL is ...