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中国科学院大连化学物理研究所揭示无机/有机界面三线态能量转移的“Through-space”与“Through-bond”机制（图）
无机/有机界面 三线态 能量转移 Through-space Through-bond 机制
2020/8/24
近日，中国科学院大连化学物理研究所光电材料动力学特区研究组研究员吴凯丰团队，通过同时调控无机半导体纳米晶的波函数分布和表面受体分子的构型，采用时间分辨光谱，观测到无机/有机界面三线态能量转移中的“Through-space”与“Through-bond”机制，并基于此实现高效的分子三线态敏化和三线态湮灭的光子上转换。近年来，无机纳米晶到有机分子的三线态能量转移被发展为一种新型、高效的分子三线态敏化...
SPACE-BORNE LASER ALTIMETER GEOLOCATION ERROR ANALYSIS
Laser altimetry Error analysis Footprints Pointing angle Range Geolocation accuracy
2018/6/5
This paper reviews the development of space-borne laser altimetry technology over the past 40 years. Taking the ICESAT satellite as an example, a rigorous space-borne laser altimeter geolocation model...
Few-Photon Single-Atom Cavity QED With Input-Output Formalism in Fock Space
Atom optics cavity resonators nanophotonics optical switches optical waveguide
2015/8/7
The Jaynes–Cummings (JC) system, which describes the interaction between a cavity and a two-level atom, is one of the most important systems in quantum optics. We obtain analytic solutions for the one...
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...
Wavelength-space permutation switch with coherent PDM QPSK transmission for supercomputer optical interconnects
Optical interconnects Coherent communications
2015/6/4
We experimentally study the performance of an economically-viable, high-capacity supercomputer optical interconnect employing wavelength-space optical packet switching,polarization division multiplexe...
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...
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...
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.
Variable Optical Attenuation using space-selectively crystallized fiber with second-order optical nonlinearity
Variable Optical Attenuation crystallized fiber second-order optical nonlinearity
2015/8/6
We have fabricated glass fibers with nonlinear crystalline phase in clad area by laser irradiation, and demonstrated variable optical attenuation by electro-optic effect using the space-selectively cr...
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.