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Mitigation of Dispersion-Induced Phase Noise for an Optical OFDM Radio-over-Fiber System at 60-GHz Band
Fiber optics communications Lasers fiber Radio frequency photonics
2015/5/21
For OFDM RoF systems at 60-GHz band, dispersion-induced phase noise (PN) could heavily degrade transmission performance. We propose an algorithm to suppress PN and experimentally demonstrate the algor...
Multi-band 16QAM-OFDM Vector Signal Delivery over 60-GHz DSB-SC Optical Millimeter-Wave through LO Enhancement
Multi-band 16QAM-OFDM Vector Signal Delivery 60-GHz DSB-SC
2015/5/21
For the first time, multi-band vector signal delivery over DSB-SC RoF system generated via single-stage optical upconversion has been accomplished through LO power enhancement, and was successfully de...
Electric power consumed by routers and switches is rapidly increasing with expanding flow of information. To suppress the increasing power consumption, optics has been expected to play an important ro...
Enabling Energy Efficient Exascale Computing Applications with Optical Interconnects
Optics in Computing
2015/5/21
The past few years has seen a sea change in computer architecture that will impact every facet of our society as every electronic device from cell phone to supercomputer will need to confront parallel...
Compact and High-Density Opto-electronic Transceiver Module for Chip-to-Chip Optical Interconnects
Optoelectronics Integrated optoelectronic devices
2015/5/21
We fabricated an opto-electronic transceiver module on a flexible printed circuit board without using a lens array. 10Gbps data transmission through polynorbornene-based waveguide is achieved with low...
Compact and High-Density Opto-electronic Transceiver Module for Chip-to-Chip Optical Interconnects
Optoelectronics Integrated optoelectronic devices
2015/5/21
We fabricated an opto-electronic transceiver module on a flexible printed circuit board without using a lens array. 10Gbps data transmission through polynorbornene-based waveguide is achieved with low...
Mitigation of Nonlinearities in Optical Transmission Systems
Mitigation Nonlinearities Optical Transmission Systems
2015/5/21
Nonlinear compensation with digital back-propagation can improve Q-factor by more than 1dB, proven by experiments. Simplification of propagation model is the key to suppress circuit size, whereas stra...
One-to-Eleven (11x10-Gb/s) All-Optical NRZ-to-RZ Format Conversion and Wavelength Multicasting Using a Single Pump in a Highly Nonlinear Fiber
All-Optical NRZ-to-RZ Format Conversion Wavelength Multicasting Single Pump Highly Nonlinear Fiber
2015/5/21
We demonstrate one-to-eleven NRZ-to-RZ format conversion and wavelength multicasting using one pump in a highly-nonlinear-fiber based on various nonlinear processes including XPM, XGM and FWM. Eleven ...
Long-Distance Standard Single-Mode Fiber Transmission of 40-Gbit/s 16QAM Signal with Optical Delay-Detection and Digital Pre-Distortion of Chromatic Dispersion
Long-Distance Standard Single-Mode Fiber Transmission Optical Delay-Detection and Digital Pre-Distortion Chromatic Dispersion
2015/5/21
Dispersion pre-distorted 40-Gbit/s 16QAM transmissions over 800-km standard-single mode fiber(~13300 ps/nm) using delay detection is demonstrated with large tolerance to laser phase noise (1-MHz linew...
Nano-Second Response, Polarization Insensitive and Low- Power Consumption PLZT 4x4 Matrix Optical Switch
Nano-Second Response Polarization Insensitive Low- Power Consumption PLZT 4x4 Matrix Optical Switch
2015/5/21
A strictly non-blocking PLZT 4x4 optical switch with less than 10 ns response is developed. The switch consisted of 24-1x2 switch elements which have polarization insensitivity and low-power consumpti...
Compact and wideband optical 90o hybrid based on a one- way tapered MMI coupler
Compact wideband optical 90o hybrid based apered MMI coupler
2015/5/21
We report compact and wideband 90o hybrid with a one-way tapered 4×4 MMI waveguide. The fabricated device with a device length of 198 μm exhibited a phase deviation of <±5.4o over a 70-nm-wide spectra...
8-channel InP Monolithic Tunable Optical Router for Packet Forwarding
8-channel InP Monolithic Tunable Optical Router Packet Forwarding
2015/5/21
Advancements in photonic integration allow development of complex, large-scale circuits suited for future optical packet switched networks. We review our 8-channel InP monolithic tunable optical route...
All-Optical THz-band Frequency Multiplexing on A Single Optical Carrier Using Fiber Cross-Phase Modulation
Optical THz-band Frequency Multiplexing Single Optical Carrier Fiber Cross-Phase Modulation
2015/5/21
We developed an ultra-broadband all-optical frequency multiplexing technique on asingle optical carrier using cross-phase modulation in nonlinear fibers, and demonstrated sequentially multiplex of mul...
Energy Efficient Optical Access Network Technologies
Energy Efficient Optical Access Network Technologies
2015/5/21
This paper summarizes recent technologies for reducing the power consumption of optical access networks and discusses trends in network evolution focusing on energy efficiency.
Efficient Regenerator Placement and Wavelength Assignment in Optical Networks
Efficient Regenerator Placement Wavelength Assignment Optical Networks
2015/5/21
We present a novel auxiliary graph approach for optical networks regenerator placement and wavelength assignment (RPWA) problem. Simulation results show that our proposed approach outperforms other tw...