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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.