搜索结果: 1-13 共查到“激光及激光器技术 Modulation”相关记录13条 . 查询时间(0.249 秒)
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation and Transmission of 256-Gb/s PDM-16QAM Modulation Format
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation Transmission of 256-Gb/s PDM-16 QAM Modulation Format
2014/11/6
We demonstrate, using a compact InP-based integrated assembly of a tunable laser and a double-nested Mach-Zehnder modulator, generation of Nyquist-prefiltered QPSK and 16-QAM signals at 32-Gbaud. We t...
40-Gbps Transmission Using Direct Modulation of 1.3-μm AlGaInAs MQW Distributed-Reflector Lasers up to 70oC
Semiconductor lasers
2011/5/25
40-Gbps transmission over 5-km single-mode fiber using a directly modulated 1.3-μm AlGaInAs MQW distributed-reflector laser was demonstrated. Error-free operations up to 70oC have been achieved.
We describe the performance of 1.3-μm InGaAlAs RWG-MQW-DFB lasers and EA-DFB lasers applicable to 40G/100G Ethernet. We obtained a 3-dB-down bandwidth frequency of over 30 GHz and clear eye opening at...
Very High Bit Rate Transmission for NGPON using AMOOFDM Direct Modulation of Linear Laser
Fiber optics communications Modulation
2010/6/9
Experimental demonstration of a bit rate as high as 32 Gbit/s is achieved over 20 km SMF for NGPON in a temperature range of 5°C-60°C using AMOOFDM direct modulation of a linear laser.
Reconfigurable Functionalities of Coupled-Cavity VCSELs Using Digital Modulation
Semiconductor Lasers Vertical Cavity Surface Emitting Lasers
2010/6/5
The coupled-cavity VCSEL under digital modulation can be configured to perform different functionalities for data communications. 10 Gb/s pulse amplitude modulation up to 4 levels, and 34 ps optical p...
25 Gb/s Direct Modulation of Implant-Confined Holey VCSELs
Semiconductor Lasers Vertical Cavity Surface Emitting Lasers
2010/6/5
25 Gb/s direct modulation and bit error measurements over 100m multimode fiber from an 850-nm implant-confined holey VCSEL are demonstrated. The high speed performance arises from cavity designs that ...
Multi-Band Power Allocation in AMOOFDM High data rate NG-PON downlink transmission direct modulation of linear laser
Fiber optics communications Modulation
2010/6/4
Multi-band power allocation for NG-PON downlink transmission is experimentally demonstrated when implementing AMOOFDM with direct modulation of a linear laser. Multi-user power and bit-allocation allo...
Novel Optical Fiber Identification Method for PONs Based on Polarization Modulation Caused by Pressure-Induced Retardation
Optical Fiber PONs Polarization Modulation Caused Pressure-Induced Retardation
2009/7/17
We proposed a new technique for identifying fibers in PONs using polarization-modulation caused by a transverse force. We demonstrate our method using conventional and bend-insensitive fibers in a bra...
First Complex Coupled 1490nm CSDFB Lasers:High Yield,Low Feedback Sensitivity,and uncooled 10Gb/s Modulation
Complex Coupled CSDFB Lasers High Yield,Low Feedback Sensitivity
2009/7/16
1490nm complex-coupled CSDFB lasers with excellent single mode yield, high optical output power,uncooled 10Gb/s performance and low feedback sensitivity are presented for the first time.
Utilisation of a self-phase-modulation-based compressor to overcome Brillouin backscattering and intrachannel four-wave mixing in a 2R regenerator at 42.6 Gbit/s
compressor overcome Brillouin backscattering intrachannel four-wave 2R regenerator
2008/8/4
We report the efficient use of a SPM-based compressor to avoid Brillouin backscattering and intrachannel four-wave mixing in a SPM-based regenerator at 42.6 Gbit/s.
Improved EDC Performance for Different Duobinary Modulation Formats with Optical Filtering
EDC Performance Different Duobinary Modulation Formats Optical Filtering
2008/8/4
Nonlinear EDC including nonlinear Volterra based equalizer and MLSE are investigated and compared for different duobinary formats with optical filtering at 43Gb/s data rate.
A Novel Re-modulation Method in a WDM-PON with Enhanced Extinction Ratio
Method WDM-PON Extinction
2008/8/3
We propose and experimentally demonstrate a novel coding scheme for a WDM-PON system using ASK/DPSK re-modulation corresponding to downstream/upstream signals respectively to enhance the toleration of...
10Gbit/s transmission over 2.5GHz bandwidth by direct modulation of commercial VCSEL and multi-mode FP lasers using Adaptively Modulated Optical OFDM modulation for Passive Optical Network
transmission bandwidth direct modulation multi-mode FP lasers Adaptively Modulated Optical OFDM modulation Passive Optical Network
2008/8/3
We experimentally demonstrate 10Gbit/s transmission over 2.5GHz bandwidth by direct modulation of commercial VCSEL and FP lasers using AMOOFDM modulation. A comparison between the two transmitters is ...