搜索结果: 1-15 共查到“光学工程 The Second”相关记录17条 . 查询时间(0.058 秒)
Second-Order PMD Monitoring from Adaptive FIR-Filter Tap Coefficients in a Digital Coherent Receiver
Fiber optic communication Coherent communications Homodyning
2015/5/26
We propose a straightforward algorithm to estimate second-order PMD from adaptive FIR-filter tap coefficients in a digital coherent optical receiver. The novel algorithm is verified with 100-Gbit/s du...
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...
Equalization of first and second order PMD in 100 GBit/s PolMux Transmission using Optical Butterfly FIR Filters
Fiber optics communications Polarization-selective devices
2015/6/8
PolMux increases PMD sensitivity compared to single polarization transmission. We investigate the equalization of first and second order PMD in the optical domain and determine the respective remainin...
Preface to Special Issue on Pico/Femto-Second Molecular Dynamics in Biological Photoreceptors“Proteins-Complex Molecular Systems of Mystery”
Pico/Femto-Second Molecular Dynamics Biological Photoreceptors Proteins-Complex Molecular Systems of Mystery
2009/6/9
Preface to Special Issue on Pico/Femto-Second Molecular Dynamics in Biological Photoreceptors“Proteins-Complex Molecular Systems of Mystery”.
Femtosecond Cascaded Second-Order Nonlinearities in Quasi-Phase-Matching Devices
Frequency conversions Cascaded second-order nonlinearities Optical solitons
2009/6/8
Cascaded processes of energy exchanges between optical beams via second-order nonlinearities lead to various phenomena, including Kerr-like nonlinear phase shifts and optical solitons. The cascading n...
Blue and Ultra-Violet Radiations Using Quasi-Phase-Matched Second Harmonic Generation Devices
SHG QPM Bulk Waveguide
2009/6/8
Quasi-phase matched (QPM) second-harmonic generation (SHG) device offers various application for blue and ultra-violet (UV) radiations. Advanced poling technology made it possible to realize micron an...
Second Harmonic Generation Using an All-Fiber Q-Switched Yb-Doped Fiber Laser and MgO:c-PPLN
All-Fiber Q-Switched MgO:c-PPLN
2008/10/31
We have experimentally demonstrated an efficient all-fiber passively Q-switched Yb-doped fiber laser with Samarium doped fiber as a saturable absorber. Average output power of 3.4 W at a repetit...
Noise Analysis of Second-Harmonic Generation in Undoped and MgO-Doped Periodically Poled Lithium Niobate
MgO-Doped Periodically Lithium Niobate
2008/10/31
Noise characteristics of second-harmonic generation (SHG) in periodically poled lithium niobate (PPLN) using the quasiphase matching (QPM) technique are analyzed experimentally. In the experiment, a0....
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...
Microchannelled Chirped Fibre Bragg Grating Based Refractive Index Sensor Formed by Femto-Second Laser Processing and HF-etching
Chirped Fibre Bragg Grating Refractive Index Sensor Formed Femto-Second Laser Processing HF-etching
2015/8/3
The microchannelled chirped fibre Bragg grating (MCFBG) was fabricated using femtosecond laser processing and HF-etching. Intrinsical refractive-index sensitivity induced by the microchannel makes MCF...
Intra-cavity second harmonic generation with Nd:YVO4/BIBO laser at 542 nm
Second harmonic generation Phase-matching Angular bandwidth Yellow–green light BIBO crystal
2011/12/12
We report, for the first time, an efficient intra-cavity second-harmonic generation (SHG) at 1084 nm in a nonlinear optical crystal,BiB3O6(BIBO) at the direction of (h,u) = (170.1,90), performed wit...
Influence of the second shell layer (TOPO, HDA) on the optical properties of CdSe/ZnS nanocrystal powder
nanocrystals photoluminescence
2011/5/4
CdSe/ZnS nanocrystal powder covered with an additional cap layer (II-shell) of hexadecylamine (HDA) or tri-n-octylphosphine oxide (TOPO) has been investigated by using photoluminescence (PL) and total...
Enhanced second-harmonic generation in AlGaAs/AlxOy tightly confining waveguides and resonant cavities
second-harmonic generation AlGaAs/AlxOy tightly resonant cavities
2015/8/11
We demonstrate second-harmonic generation (SHG) from sub-micrometer-sized AlGaAs/AlxOy artificially birefringent waveguides. The normalized conversion efficiency is the highest ever report...
Intra-cavity second harmonic generation with Nd:YVO4/BIBO laser at 542 nm
Second harmonic generation Phase-matching Angular bandwidth Yellow–green light BIBO crystal
2011/12/19
We report, for the first time, an efficient intra-cavity second-harmonic generation (SHG) at 1084 nm in a nonlinear optical crystal, BiB3O6(BIBO) at the direction of (h,u) = (170.1,90), performed wi...
Infrared second-order nonlinear optical effect in Sb2Te3–SrBr2–PbCl2 glass
photoinduced second harmonic generation Sb2Te3–SrBr2–PbCl2 glass
2011/4/27
A phenomenological and microscopic theory of IR picosecond nonlinear optical response in glass is developed for the middle IR spectral range (5–15 mm). Both IR-induced second harmonic generation (SHG)...