搜索结果: 1-15 共查到“工学 Directly Modulated”相关记录20条 . 查询时间(0.109 秒)
Nonlinear Dynamics in Directly Modulated Semiconductor Lasers with Optical Loop Mirror Feedback
Nonlinear Dynamics Nonlinear Loop Mirror Pulse Multiplication Optical Chaotic And Pulse Mode Locking
2013/1/30
The investigation of the nonlinear dynamics of a semiconductor laser based on nonlinear optical loop mirror (NOLM) feedback using Ge doped optical fiber was carried out experimentally. Animations of c...
This investigation proposes and experimentally demonstrates an optical code-division multiple-access (OCDMA) light source using a directly modulated Fabry–Pérot laser diode in an external injection sc...
Transmission of Multi-Band OFDM-UWB Signals along NG-FTTH Networks using Directly Modulated Lasers
Modulation Optical communications
2015/5/26
Transmission of multi-band OFDM-UWB signals along FTTH networks using directly modulated lasers is experimentally evaluated. Reach of 100 km of standard SMF is achieved with a BER below 10 -4 and an O...
Generation of 5-Gbps QPSK Signal using Directly Modulated RSOA for 100-km Coherent WDM PON
Fiber optics links subsystems Coherent communications
2015/5/22
We generate the QPSK signal by utilizing the chirp characteristics of the directly modulated RSOA for the high-speed coherent WDM PON. In addition, we demonstrate the error-free transmission of the 5-...
Generation of 20-Gb/s RZ-DQPSK Signal using a Directly Modulated Chirp Managed Laser
Generation RZ-DQPSK Signal Directly Modulated Chirp Managed Laser
2015/5/21
We generate 20-Gb/s return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK) signal using a directly modulated chirp managed laser (CML), without requiring any differential encoder and opt...
World-First Experimental Demonstration of Synchronous Clock Recovery in an 11.25Gb/s Real-Time End-to-End Optical OFDM System Using Directly Modulated DFBs
Synchronous Clock Recovery Real-Time End-to-End Optical OFDM System Directly Modulated DFBs
2015/5/20
A simple, highly-effective, DSP-free, optical OFDM(OOFDM) synchronous clock recovery technique preserving system performance and enhancing stability is proposed and experimentally demonstrated, for th...
Demonstration of 25.78-Gb/s, 20-km Reach WDM PON Using Directly-Modulated Bandwidth-Limited RSOA
Fiber optics links subsystems Semiconductor optical amplifiers
2015/5/20
We demonstrate the 25.78-Gb/s operation of directly-modulated RSOA. The results show that it is possible to transmit the 25.78-Gb/s signal over 20 km in the wavelength range of ~20 nm with the dispers...
50 fJ-per-bit, High Speed, Directly Modulated Light Sources for On-chip Optical Data Communications
50 fJ-per-bit High Speed Directly Modulated Light Sources On-chip Optical Data Communications
2015/5/20
By employing optical injection-locking the direct modulation bandwidth of a 10μm diameter disc laser is increased to 15GHz. In addition, modulation at 20Gb/s is demonstrated with only 1mW DC bias & 19...
10 Gbit/s Photonic Crystal Fiber Transmissions with 1.1 μ μm Directly-Modulated Single-Mode VCSEL
Photonic crystal fibers Fiber optics communications
2015/6/10
We demonstrate a 10-Gbit/s transmission over a 5-km photonic crystal fiber in the 1.1 μm band using a directly-modulated single-mode VCSEL. The transmission distance was extended to 14 km by using an ...
Demonstration of 11-Gb/s, 20-km Reach WDM PON using Directly-Modulated RSOA with 4-ary PAM Signal
Fiber optics links subsystems Semiconductor optical amplifiers
2015/6/10
We demonstrate the error-free transmission of 11-Gb/s 4-ary PAM signal obtained by using a directly modulated RSOA over 20 km of SMF for the cost-effective realization of high-speed WDM PONs.
Line Coding for 10-Gb/s Directly Modulated Lasers
Fiber optics optical communications Frequency modulation
2015/6/9
We experimentally investigate the use of various line coding schemes (8B/10B, 5B/6B,7B/8B, 9B/10B, 64B/66B) to improve the performance of frequency modulation-based directly modulated lasers. We show ...
Cost Efficient Directly Modulated DPSK Downstream Transmitter and Colourless Upstream Remodulation for Full-duplex WDM-PONs
Optical communications Phase modulation
2015/6/4
We implement a cost efficient 10.7Gb/s directly modulated DPSK transmitter in a bidirectional WDM-PON, which also remodulates the downstream phase encoded signal for 2.5Gb/s OOK upstream transmission.
Simultaneous ER Enhancement and Frequency Stabilization Scheme for Directly Modulated DFB Lasers
Fiber optics communications Fiber optics links subsystems
2015/6/4
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...
Optimisation of narrowband optical filters for 10 Gbit/s directly modulated laser transmitters
directly modulated laser optical filtering dispersion tolerance dispersion penalty
2011/5/6
Filtering of the chirped signal from a directly modulated laser with the narrowband optical filter
with a high roll-off allows to in-crease the dispersion tolerance of the transmitter substantially. ...
10Gbit/s for Next Generation PON with Electronic Equalization using Un-cooled 1.55μm Directly Modulated Laser
Generation PON Electronic Equalization Un-cooled Directly Modulated Laser
2015/7/21
10Gbit/s self thermally compensated directly modulated laser with electronic dispersion compensation is proposed to achieve 20km reach with 28 or 25dB optical budget between 5° C and 60 or 80° C respe...