搜索结果: 1-10 共查到“光学仪器及技术 lasers”相关记录10条 . 查询时间(0.085 秒)
High-Power,Low-Noise Slab-Coupled Optical Waveguide (SCOW) Amplifiers and Lasers
Semiconductor optical amplifiers Semiconductor lasers Mode-locked lasers
2011/5/22
We review the development of a Watt-level semiconductor quantum-well gain medium based on the slab-coupled optical waveguide (SCOW) concept. Devices realized in the 1.5-m-wavelength region inc...
Phase Noise and Timing Jitter Eliminator for Mode-locked Lasers Based on External Graphene Layers
Mode-locked lasers Nanomaterials
2011/5/21
We demonstrate a noise eliminator with a reduction of 34% for phase noise and timing jitter based on external graphene layers for mode-locked lasers by absorbing the low-power background noise from th...
Characterization of Short PM Raman Fiber Lasers with a Small Spectral Bandwidth
Characterization Short PM Raman Fiber Lasers Small Spectral Bandwidth
2011/5/20
Linearly polarized Raman fiber lasers using 3 m and 6 m of a novel fiber are discussed. Experimental and theoretical results for output powers at watt levels and spectral widths in the 0.1 nm range ar...
Tuning Methods for Uncooled Low-Cost Tunable Lasers in WDM-PON
Tuning Methods Uncooled Low-Cost Tunable Lasers WDM-PON
2011/5/18
This paper investigates tuning of uncooled low-cost lasers without an integrated wave locker via a shared, centralized wave locker in a WDM-PON context.
High-Precision In-situ Wavelength Stabilization and Monitoring of Tunable Lasers Using AWG and PD Arrays
In-situ Wavelength Stabilization Tunable Lasers AWG PD Array
2011/5/15
This paper presents a rapid laser wavelength stabilization and monitoring technique based on a feedback loop using AWG with PD arrays at 0.5 MHz. The experiment demonstrates control accuracy of ±0.015...
Multi Data-Rate Synchronization of 40 GHz Mode-Locked Quantum-Dash Lasers Diodes
Mode-Locked Lasers Diodes Quantum-Dash Multi Data-Rate Synchronization
2011/5/15
Beat-tones at 40-GHz from a QDash-ML laser under 10 to 160 Gb/s optical injection are analyzed. A FWHM linewidth less than 8 Hz is obtained regardless of the rate of injected data stream.
Compact, Low Power and Low Threshold Electrically Pumped Micro Disc Lasers for 20Gb/s Non Return to Zero All Optical Wavelength Conversion
Wavelength conversion devices All-optical devices
2010/6/8
Using a 7.5μm wide InP Micro-Disc-Laser, with a very low ~100μA threshold current, heterogeneously integrated on top of Silicon on Insulator substrate, all optical NRZ wavelength conversion at speeds ...
Bandwidth Enhancement of Distributed Reflector Lasers at Low Bias Current by Optical Injection Locking
Lasers distributed-feedback Lasers injection-locked Quantum-well wire and -dot devices
2010/6/4
By optical-injection-locking, the bandwidth enhancement of Distributed-Reflector lasers with quantum-wire-like active regions was demonstrated. The bandwidth was increased to >15-GHz at a 5-mA bias, w...
16-channelx100-GHz Monolithically Integrated O-CDMA Transmitter with SPECTS Encoder and seven 10-GHz Mode-Locked Lasers
Photonic integrated circuits Networks
2010/6/4
We demonstrate a fully-integrated O-CDMA transmitter by monolithically integrating 7 colliding-pulse mode-locked lasers with two arrayed waveguide gratings and 16 phase modulators in InP technology.
Simultaneous ER Enhancement and Frequency Stabilization Scheme for Directly Modulated DFB Lasers
Fiber optics communications Fiber optics links subsystems
2010/6/4
A simultaneous extinction-ratio enhancement and frequency stabilization scheme is proposed for directly modulated DFB lasers at the optical line terminal to enhance signal quality and to stabilize opt...