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A W-Band Photonic Transmitter-Mixer Based on High-Power Near-Ballistic Uni-Traveling-Carrier Photodiodes for BPSK and QPSK Data Transmission Under Bias Modulation
Photonic QPSK Data Abstract
2011/11/17
THE tremendous increase in the required volume of wireless data-transmission has stimulated attention on ways to use the millimeter-wave (MMW) bands above 60 GHz ( -band) or above 100 GHz ( -band) as ...
Modulation-Format-Free Bias Control Technique for MZ Modulator Based on Differential Phasor Monitor
MZ Modulator Phasor Monitor Modulation-Format-Free Bias Control
2015/5/15
We propose a novel bias control technique based on the differential phasor monitor for the LiNbO 3 modulator. For demonstrations, the proposed bias control technique was used for 20-Gb/s QPSK and 43-G...
A Modulation Scheme for 100Gb/s Minimum-Shift Keying Format based on Imbalanced Bias in IQ Components
Minimum-Shift Keying IQ Components Imbalanced Bias
2015/5/15
We propose an optical MSK modulation scheme to achieve the 100Gb/s MSK signal with constant envelope and continuous temporal phase shift. The investigation on the transmission performance clearly demo...
Optical and electrical characterization of reverse bias luminescence in InGaN light emitting diodes
GaN LED electroluminescence reverse-bias leakage current hot carrier
2011/5/5
This study investigates the reliability physics of the reverse bias luminescence (RBL) of
InGaN/GaN light emitting diodes. Optical and electrical characterization techniques including
surface temper...
Electronic Pre-Distortion Operating at 1 Sample/symbol with Accurate Bias Control for CD Compensation
Coherent communications Fiber optics links subsystems
2015/6/9
Electronic pre-distortion operating at 1 Sa/sym with anti-aliasing filter and accurate bias control is proposed. This approach guarantees Q penalty within 0.7 dB for 112 Gb/s DP-QPSK coherent system w...
12.5-Gb/s Wireless Data Transmission by Using Bias Modulation of NBUTC-PD Based W-Band Photonic Transmitter-Mixer
Photodiodes Modulators
2015/6/8
We demonstrated near-ballistic uni-traveling-carrier photodiode based broadband photonic transmitter-mixers with quasi-Yagi radiators fed horn antennas. 100GHz wireless transmission with date rate as ...
Symmetric 10G-EPON ONU transceiver integrated with newly-developed burst-mode pre-bias timing control IC
Networks Optical communications
2015/6/4
We developed symmetric 10G-EPON ONU transceiver fully compliant with IEEE802.3av PR30.Output power of +5dBm, sensitivity of -32.4dBm, and fast LD turn-on/off time of 10ns/7ns were successfully achieve...
Using a Microcontroller to Optimize the Bias Voltage of Balanced Photodiodes to Minimize Even-Order Distortion in Analog Fiber-Optic Links
Radio frequency photonics Photodiodes Fiber optic links subsystems
2015/6/4
Use of a microcontroller-based bias board for balanced photodiodes improves even-order distortion cancellation due to voltage dependent responsivity nonlinearities.The bias board improves the second o...
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
2015/6/4
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...
Novel 107 Gb/s Bias-Feeding Photodetector OEIC for Efficient Low-Cost Photoreceiver Co-Packaging
Bias-Feeding Photodetector OEIC Efficient Low-Cost Photoreceiver
2015/7/20
A novel bias-feeding photodetector is presented, suitable for dc-coupling with post-amplifiers or DEMUX-ICs, thus greatly reducing the RF coupling losses into subsequent electronics. The receiver modu...
W-band 3.75-Gb/s 8PSK Wireless Signal Generation and Transmission via Optical Frequency Octupling and Bias Modulation of NBUTC-PD with Feed-Forward Equalizer
Wireless Signal Generation Optical Frequency Octupling NBUTC-PD Feed-Forward Equalizer
2015/7/17
Generation and transmission of a wireless W-band 8PSK signal with 3.75-Gb/s data rate are experimentally demonstrated. The W-band carrier is generated from millimeter-wave generation with frequency oc...
43 Gbit/s EAM-LD Module with Built-in Driver IC Employing Novel Cathode-Floating Bias Circuit
EAM-LD Module Driver IC Employing Novel Cathode-Floating Bias Circuit
2015/7/31
A novel design of cathode-floating bias circuit realizes 43 Gbit/s EAM-LD module with mask margin of 16 %, and cooler power consumption of 0.5 W.
Experimental Demonstration of Compensating the I/Q Imbalance and Bias Deviation of the Mach-Zehnder Modulator for an RF-Tone Assisted Optical OFDM System
Compensating I/Q Imbalance Bias Deviation Mach-Zehnder Modulator RF-Tone Assisted Optical OFDM System
2015/7/30
We demonstrate an equalization technique to compensate for impairments induced by dispersion as well as I/Q imbalance and bias deviation in the MZM. The proposed scheme has a 2 dB improvement in back ...