搜索结果: 1-15 共查到“光电子技术 M-QAM”相关记录15条 . 查询时间(0.046 秒)
224-Gb/s PDM-16-QAM Modulator and Receiver based on Silicon Photonic Integrated Circuits
224-Gb/s PDM-16-QAM Modulator Silicon Photonic Integrated Circuits
2014/11/6
We demonstrate a coherent modulator and a receiver based on monolithicallyintegrated silicon photonic circuits, capable of modulating and detecting 224 Gb/s polarizationdivision-multiplexed 16-QAM. Th...
First Monolithic GaAs IQ Electro-optic Modulator, Demonstrated at 150 Gbit/s with 64-QAM
First Monolithic GaAs IQ Electro-optic Modulator 150 Gbit/s with 64-QAM
2014/11/6
We report on the first experimental demonstration of a GaAs IQ-modulator. Data rates of up to 150 Gbit/s are generated using QPSK, 16-QAM, 32-QAM and 64-QAM on a single carrier and polarization.
Wavelength-tunable QAM Synthesis by Direct Modulation of Injection-locked Fabry-Perot Semiconductor Lasers
Wavelength-tunable QAM Synthesis Direct Modulation Injection-locked Fabry-Perot Semiconductor Lasers
2014/11/6
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
Performance Investigation of Polarization-Multiplexed 16-QAM using All-Optical OFDM Transmission and Digital Coherent Detection
Performance Investigation Polarization-Multiplexed All-Optical OFDM Transmission Digital Coherent Detection
2015/5/20
We generated a 500-Gb/s AO-OFDM signal with DP-16QAM modulating each subcarrier and detected the signal using coherent detection. We investigated the effects of DSP oversampling and receiver bandwidth...
Optical ASK-DPSK and QAM Signal Generation Using FWM in High Nonlinearity Fiber (HNLF)
Optical ASK-DPSK QAM Signal Generation FWM High Nonlinearity Fiber (HNLF)
2015/5/20
As a modulation-format transparent nonlinear process, FWM is capable of generating complex optical signal constellations. In experiments and simulations, optical ASK-DPSK and 8-QAM signals are generat...
Impact of alfa-factor on SOA Dynamic Range for 20 GBd BPSK, QPSK and 16-QAM Signals
Impact of alfa-factor SOA Dynamic Range 20 GBd BPSK QPSK 16-QAM Signals
2015/5/20
Impact of SOA α-factor on dynamic range limitation decreases for higher-order modulation formats leading to undistinguishable performances of bulk and QD SOAs. Results are supported by experiments at ...
Low-Complexity Two-Stage Carrier Phase Estimation for 16-QAM Systems using QPSK Partitioning and Maximum Likelihood Detection
Low-Complexity Two-Stage Carrier Phase Estimation 16-QAM Systems QPSK Partitioning Maximum Likelihood Detection
2015/5/20
A feedforward carrier phase estimation algorithm using a modified QPSK partition approach followed by maximum-likelihood (ML) detection is proposed. Results demonstrate complexity reduction by more th...
Demonstration of Signal Remodulation Long Reach Carrier Distributed Passive Optical Network using OFDM-QAM Signal
Signal Remodulation Reach Carrier Distributed Passive Optical Network OFDM-QAM Signal
2015/7/16
OFDM is a promising candidate for LR-PON. We study the possibility of using OFDM for signal remodulation in the LR-PON. Three different colorless ONU architectures are tested and compared.
24 Gbit/s, 64 QAM-OFDM Coherent Transmission with a Bandwidth of 2.5 GHz
QAM-OFDM Coherent Transmission Bandwidth
2015/7/14
We demonstrate 2-Gsymbol/s polarisation-multiplexed coherent optical OFDM transmission with QAM subcarrier modulation as high as 64-states using an optical PLL. 24-Gbit/s data were successfully transm...
COST-EFFICIENT WDM QAM TRANSMISSION OF 100 Mbit/s OVER 100m 1mm CORE DIAMETER POLYMER OPTICAL FIBER
COST-EFFICIENT WDM QAM TRANSMISSION POLYMER OPTICAL FIBER
2015/8/3
By transporting the I- and Q-baseband QAM components using two inexpensive 460nm and 520nm wavelength LEDs, 100Mbit/s transmission over 100m large core SI PMMA POF has been realized.
Experimental Demonstration of Optical 5-Gb/s 16-QAM OFDM Signal Generation and Wavelength Reuse for 1.25-Gbit/s Uplink Signal
Optical OFDM Signal Generation Wavelength Reuse Uplink Signal
2015/8/3
5Gb/s 16QAM OFDM signal for ROF downstream link and 1.25Gb/s OOK signal via RSOA for upstream link are demonstrated. Negligible penalty is observed after 25km SMF.
Transmission of Five M-QAM Signals over a 4.4 km Silica Graded-index Multimode Fibre Link Using Subcarrier Multiplexing
Transmission Five M-QAM Signals Silica Graded-index Multimode Fibre Subcarrier Multiplexing
2015/7/31
We experimentally demonstrate five-subcarrier multiplexed M-QAM transmission over a 4.4km silica multimode fibre. Low EVM was achieved and 15.26 Gbit/s throughput may be reached in the 2 GHz-6 GHz pas...
Transmission of 40-Gbit/s 16-QAM Signal over 100-km Standard Single- mode Fiber using Digital Coherent Optical Receiver
Transmission Signal over Standard Single- mode Fiber Digital Coherent Optical Receiver
2015/7/31
We demonstrate 100-km transmission of a 40-Gbit/s 16-QAM signal using a digital coherent receiver. The receiver sensitivity of -30 dBm is obtained at BER=10 -5
50-km SMF transmission of 50-Gb/s 16 QAM generated by quad-parallel MZM
SMF transmission QAM quad-parallel MZM
2015/7/31
We investigated transmission of 50Gb/s 16QAM over 50km SMF. 16QAM was electro-optically synthesized with a quad-parallel MZM; demodulated by off-line digital homodyne employing electric equalizers.
ISI Pre-equalization in a Vector Modulator for 5 Gsymbol/s 64-QAM
ISI Pre-equalization Vector Modulator Gsymbol/s
2015/7/31
We investigated the performance of electronic pre-equalization to compensate for ISI caused in a vector modulator for 5 Gsymbol/s 64QAM. Drastic improvement in the constellation was experimentally con...