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40-Gbps Direct Modulation of 1.3-μ μm InGaAlAs DFB Laser in Compact TO-CAN Package
Semiconductor laser Integrated optics devices
2011/5/25
We developed a compact TO-CAN module with a 1.3-μm InGaAlAs directly-modulated laser. We achieved a record relaxation oscillation frequency slope value of 4.85 GHz/mA 1/2 and a 40-Gbps modulated trans...
40G RZ-DQPSK Transmitter Monolithically Integrated with Tunable DFB Laser Array and Mach-Zehnder Modulators
40G RZ-DQPSK Transmitter Monolithically Integrated Tunable DFB Laser Array Mach-Zehnder Modulators
2011/5/20
A 40G RZ-DQPSK transmitter monolithically integrated with a tunable DFB laser array and Mach-Zehnder modulators was developed for the first time. The optical waveform of 40Gb/s DQPSK was successfully ...
Continuous wave terahertz spectrometer based on two DFB laser diodesbased on two DFB laser diodes
terahertz continuous wave spectroscopy Bragg structure
2009/7/29
In this paper, a continuous wave (cw) spectrometer in the far infrared range is presented.
Electromagnetic radiation is generated via photomixing phenomena and covers frequencies
between about 50 GH...
First 40-km SMF Transmission for 100-Gbit/s Ethernet System Based on 25-Gbit/s 1.3-m Electroabsorption Modulator Integrated with a DFB Laser Module
Transmission Ethernet System Electroabsorption Modulator Integrated DFB Laser Module
2009/7/16
High-performance 1.3- m InGaAlAs electroabsorption modulator integrated with DFB laser module for metro-area 100-Gbi/s Ethernet system (100GBASE-ER4) has been realized. Long-reach (40 km) err...
95 ˚C Uncooled and High Power 25-Gbps Direct Modulation of InGaAlAs Ridge Waveguide DFB Laser
95 ˚ C Uncooled Direct Modulation Waveguide DFB Laser
2009/7/16
95˚C, 25-Gbps direct modulation of a high-power (>15mW) 1.3-μm-InGaAlAs-DFB laser is developed for the first time. The device will be a key for 4-channel CWDM uncooled light-sources used in the l...
High Bit Rate Transmission for NG-PON by Direct Modulation of DFB Laser using Discrete Multi-Tone
Transmission NG-PON Direct Modulation DFB Discrete Multi-Tone
2009/7/16
A bit rate as high as 19Gbit/s transmission was experimentally demonstrated for NG-PON without chromatic dispersion compensation by direct modulation of DFB laser using DMT signal combined with adapti...
An Extremely Compact Electro-Absorption Modulator Integrated DFB Laser Module for 100Gbps Ethernet over 75km SMF Reach
Electro-Absorption Modulator Integrated DFB Laser Module f SMF
2008/8/4
One seventh miniaturized EA-DFB laser module with +/-100ps/nm dispersion tolerance at 25Gbps was demonstrated. It’s the world’s first module applicable to the small 100Gbps Ethernet transceiver.
A First Uncooled (25 to 85oC) 43-Gbps Lightsource Based on InGaAlAs EA/DFB Laser Technology
Uncooled Lightsource InGaAlAs EA/DFB Laser Technology
2008/8/3
A 1.3-μm-range EA/DFB laser demonstrated 43-Gbps 10-km transmission for the first time. The laser achieved clearly opened eye diagrams with dynamic extinction ratio of over 7-dB over wide temperature ...
Fast Operation of a Broadband All-Optical Flip-Flop Based on a Single DFB-laser Diode
All-Optical Flip-Flop Single DFB-laser Diode
2008/8/3
We demonstrate an all-optical flip-flop based on a single DFB-laser diode with repetition rates up to 2 GHz,set/reset-pulses of 7 ps and 200 fJ, a switch-on time of 75 ps and a switch-off time below 2...
40 Gbit/s Directly Modulated Passive Feedback DFB Laser for Transmission over 320 km Single Mode Fibre
Modulated Passive Feedback DFB Laser Transmission Single Mode Fibre
2008/7/31
A passive feedback section 1.5 μm DFB laser is applied as 40 Gbit/s transmitter. The error free transmission over 320 km SMF demonstrates the good performance of this compact and low cost device.