搜索结果: 1-15 共查到“光学工程 filter”相关记录41条 . 查询时间(0.113 秒)
Photonic chip based tunable and reconfigurable narrowband microwave photonic filter using stimulated Brillouin scattering
Stimulated scattering modulation Nonlinear optics integrated optics Radio frequency photonics
2015/8/7
We report the first demonstration of a photonic chip based dynamically reconfigurable, widely tunable, narrow pass-band, high Q microwave photonic filter (MPF). We exploit stimulated Brillouin scatter...
Color Breakup Reduction by 180 Hz Stencil-FSC Method in Large-Sized Color Filter-Less LCDs
2011/12/13
Field-sequential color (FSC) is a high optical throughput technique for future green liquid crystal displays (LCDs). However, the FSC-LCD faces a lethal issue, color breakup (CBU) which degrades image...
The field-sequential-color liquid crystal display (FSCLCD) without a color filter enables high light efficiency, wide color gamut, and low material cost. However, the visual defect of color breakup (C...
High-efficiency micro-optical color filter for liquid-crystal projector system applications
2011/11/30
High-efficiency color filters composed of a microprism array, optical interference color filters, and a microlens array light compressor were developed to increase the optical throughput of liquid-cry...
Effects of filter bandwidth and driving voltage on optical duobinary transmission systems
2011/11/23
This work demonstrates how electrical driving voltage of a Mach–Zehnder modulator and the bandwidth of electrical low-pass filters (LPFs) affect optical duobinary signals. The fact that a 100% driving...
Cost-Effective Multi-Services Hybrid Access Networks with no Optical Filter at Remote Nodes
2011/11/22
This letter experimentally demonstrates a multiservices hybrid access network integrated radio-over-fiber and fiber-to-the-home systems which share the same distributed architecture. A 1.25-Gb/s baseb...
PCRR Based Bandpass Filter for C and L+U Bands of ITU-T G.694.2 CWDM Systems
Photonic Crystal Ring Resonator Photonic Bandgap CWDM, Bandpass Filter FDTD Method PWE Method
2013/1/30
A two Dimensional (2D) Photonic Crystal Ring Resonator (PCRR) based Bandpass Filter (BPF) is designed to cover C and L+U bands of Coarse Wavelength Division Multiplexing (CWDM) systems. It is devised ...
A fiber loop mirror temperature sensor demodulation technique using a long-period grating in a photonic crystal fiber and a band-pass filter
fiber loop mirror temperature sensor demodulation technique a long-period grating in a photonic crystal fiber a band-pass filter
2013/5/27
A fiber loop mirror (FLM) temperature sensor using a long-period grating (LPG) written in a photonic crystal fiber (PCF) and a band-pass filter as a demodulator is proposed. By utilizing the stable fi...
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...
Wide-tuning (65 nm) Semi-cooled (50oC) Operation of a Tunable Laser based on a Novel Widely Tunable Filter
Semiconductor lasers Lasers tunable
2015/5/25
A tunable laser based on a medium wavelength selectivity tunable filter named a lateral-grating-assisted lateral-co-directional-coupler was developed. A wide tuning range of over 65 nm with SMSR of ov...
Cascaded Double Ring Resonator Filter with Integrated SOAs
Semiconductor optical amplifiers Integrated optoelectronic circuits Wavelength filtering devices
2015/5/22
We present a filter consisting of cascaded ring resonators with integrated SOAs. The filter demonstrates an extinction ratio >30 dB, a free spectral range of 56 GHz and a FWHM bandwidth of 3 GHz.
WDM Multi-Channel Filter Based On Sampled Gratings In Silicon-on-Insulator
Integrated optics devices Wavelength filtering devices
2015/5/22
The design and fabrication of sampled gratings on silicon-on-insulator rib waveguides is presented. A multiple reflection up to 20 channels with a spacing of 0.78 nm is demonstrated, with potential fi...
Ultrawidely tunable single-mode fiber acousto-optic filter
Ultrawidely tunable single-mode fiber acousto-optic filter
2015/5/21
A single-mode fiber (SMF) acousto-optic tunable filter (AOTF) with a wide tuning range of 300 nm is demonstrated. The SMF used here has six air holes in the cladding region that causes a larger differ...
Chirped Microwave Photonic Filter with High Frequency Tuning Capability
Chirped Microwave Photonic Filter High Frequency Tuning Capability
2015/5/21
A chirped single-bandpass photonic filter is proposed improving the delay performance achieved by microstrip structures. Frequency range is extended up to tens of GHz since carrier-suppression-effect ...
20 Gb/s WDM-PON System with 1 GHz RSOA using Partial Response Equalization and Optical Filter Detuning
20 Gb/s WDM-PON System Response Equalization GHz RSOA Optical Filter Detuning
2015/5/18
We report high speed operation in WDM-PON with low-bandwidth RSOA using partial response equalization and optical filter detuning techniques. 20 Gb/s transmission over 10 km fiber is demonstrated with...