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2017SPIE高级自由空间光通信技术与应用专题会议（Advanced Free-Space Optical Communication Techniques and Applications）
2017 SPIE 高级自由空间光通信技术与应用 专题会议
2017/4/25
Free-space optical communication provides high-capacity data links for defence and security. This conference will provide a forum for all professionals involved with both short and long range free-spa...
Binary Phase Micro-Grating and Polarization Beam Splitter for Free-Space Micro Optical Pickups
2011/11/24
A pop-up binary-phase micrograting and a pop-up micro polarization beamsplitter, for potential use in micro-optical pickups, have been realized on a single silicon chip using a two-layer polysilicon a...
New Ground-to-Train High-Speed Free-Space Optical Communication System with Fast Handover Mechanism
Free-space optical communication Scanners
2015/5/26
We developed a new ground-to-train free-space optical communication system that performs stable high-speed communication even when a train is running at high speed and does fast handover between laser...
Characterization of a MEMS Based Optical System for Free-Space Board-to-Board Optical Interconnects
Free-space optical communication Alignment
2015/6/9
We demonstrate alignment of an array of VCSELs to detectors, using a MEMS-based lens system for free-space board-to-board optical interconnects. Our optical system is capable of aligning up to 5 degre...
Tunable Free Space Optical Delay Interferometer for Demodulation of Differential Phase Shift Keying Signals
Phase modulation Interferometry
2015/6/4
With a continuously tunable free space optical delay interferometer and direct detection D(Q)PSK signals can be received at varying symbol rates or under optimized conditions. The in-terferometer’s ph...
Free-Space Laser Communications:The Japanese Experience
Free-Space Laser Communications Japanese Experience
2015/7/20
Free-space laser communication demonstrations are introduced in Japan with results obtained through previous demonstration experiments and current developments. A comparison among different optical sy...
100 Gb/s Per-Channel Free-Space Optical Transmission with Coherent Detection and MIMO Processing
Per-Channel Free-Space Optical Transmission Coherent Detection MIMO Processing
2015/7/20
We experimentally demonstrate the first 100 Gb/s per-channel free-space optical transmission using polarization-multiplexed QPSK, coherent detection, and MIMO processing. This is the highest per-chann...
Sensitivity of Balanced Receivers for Polarization Shift Keying in Free-Space Optical Communications
Sensitivity Balanced Receivers Polarization Shift Free-Space Optical Communications
2015/7/20
Polarization modulation is a robust and efficient format for optical free-space communications. We study the sensitivity of real-world balanced receivers, including possible atmospheric effects on the...
Integrated Optical Receiver for Lens-Less Short Range Free-Space Gigabit Communication
Integrated Optical Receiver Free-Space Gigabit Communication
2015/7/17
High data rate lens-free free-space communication using an optoelectronic integrated true light-to-logic BiCMOS receiver demonstrates a cheap and easy single-chip solution for flexible wireless gigabi...
Performance analysis of bit error rate for free space optical communication with tip-tilt compensation based on gamma–gamma distribution
free space optical communication atmospheric turbulence
2011/5/10
In this paper, the gamma – gamma probability distribution is used to model turbulent channels. The bit error rate (BER) performance of free space optical (FSO) communication systems employing on-off k...
320 Gbit/s (8x40 Gbit/s) double-pass terrestrial free-space optical link transparently connected to optical fibre lines
double-pass terrestrial free-space optical link optical fibre lines
2015/8/6
World first demonstration of WDM 8x40 Gbit/s free-space transmission is presented in a terrestrial double-pass link, by using compact terminals, which allow direct optical connection to fibre links.
Integrated Optical Receiver for Lens-less Free-space Communication
Integrated Optical Receiver Lens-less Free-space Communication
2015/8/6
High data rate lens-free free-space communication using an optoelectronic integrated BiCMOS receiver demonstrates a cheap and easy solution for flexible interconnects with a very low bit error rate.
QPSK Transmission over Free-Space Link at 3.8 ?m using Coherent Detection with Wavelength Conversion
QPSK Transmission Free-Space Link Coherent Detection Wavelength Conversion
2015/7/31
We demonstrate the first mid-infrared free-space optical link employing coherent detection and parametric wavelength conversion.
Properties analysis and solutions of light power equalization for free space communication system using semiconductor laser
light power equalization adaptive power control wireless optical communication
2010/7/16
starting with the light transmission properties in atmosphere, analyzed the characteristics of light power gain for FSO system, the dynamic range of light power gain was also discussed. A innovation p...