2,006 resources related to Demultiplexing
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All aspects of optical guided-wave science, technology, and engineering in the areas of fiber and cable technologies; active and passive guided-wave componentry (light sources, detectors, repeaters, switches, fiber sensors, etc.); integrated optics and optoelectronics; systems and subsystems; new applications; and unique field trials.
Rapid publication of original research relevant to photonics technology. This expanding field emphasizes laser and electro-optic technology, laser physics and systems, applications, and photonic/ lightwave components and applications. The journal offers short, archival publication with minimal delay.
M. I. Hayee; M. C. Cardakli; A. B. Sahin; A. E. Willner IEEE Photonics Technology Letters, 2001
We propose and experimentally implement a method of demultiplexing two data channels, which were multiplexed using orthogonal polarizations on the same wavelength in a power ratio of 1:2 in order to double the bandwidth utilization in the fiber. Our technique facilitates the straightforward decoding of the two data channels and does not require the demultiplexing of the two orthogonal polarizations ...
Ming Chen; Bo Lv; Tangjun Li; Muguang Wang; Shuisheng Jian 2009 Asia Communications and Photonics conference and Exhibition (ACP), 2009
Spectrum compression based on filters for improving bandwidth efficiency is presented and demonstrated experimentally in 40Gb/s OTDM system. Even after 100km transmission, demultiplexing and clock recovery can be implemented successfully, and the data rate-to-bandwidth ratio has been improved to 4 times.
Faical Hamidi; Houssem Jerbi Systems, Signals and Devices, 2009. SSD '09. 6th International Multi-Conference on, 2009
The stability and the domain of attraction of autonomous nonlinear systems are important properties to be determined. This paper aims at examining a computational method for estimating the domain of attraction of nonlinear system. This very method is based on the concept of a maximal Lyapunov function candidate. The studied algorithm yields a rational Lyapunov function candidate Vm where its ...
H. Gockler Circuits and Systems, 1988., IEEE International Symposium on, 1988
A novel variety of the polyphase method (PPM) for digital demultiplexing of an L0-channel FDM (frequency-division multiplexed) signal is derived, and a design example of an application onboard a future communications satellite is given. This PPM applies bandpass sampling and is based on the processing of analytic signals by linear-phase FIR (finite-impulse-response) filters with complex coefficients, where at any stage ...
B. -E. Olsson; D. J. Blumenthal IEEE Photonics Technology Letters, 2001
All-optical demultiplexing of 80-Gb/s data to 10 Gb/s is demonstrated using spectral broadening-induced by cross-phase modulation (XPM) with subsequent optical band-pass filtering. Due to the time derivative effect of XPM, the control pulsewidth can be larger than the bit-slot of the incoming data, and still give a switch window suitable for demultiplexing. Operation at 10/sup -12/ bit-error rate is demonstrated. ...
Solid-State Circuits Conference, 1986. ESSCIRC '86. Twelfth European, 1986
A silicon bipolar IC for the receiving end of a gigabit fiber optic trunk line is presented, performing both demultiplexing and decision functions. The circuit is based on a 2 Â¿m non-self-aligned silicon technology. At 4 Gb/s the measured clock-phase-margin (CPM) is about 120 degrees, related to an ideal CPM of 180 degrees. Differential input sensitivity at 4 Gb/s is ...
Lightwave Technology, Journal of, 1997
A multimode optical fiber grating demultiplexer-star coupler having seven demultiplexing channels and six fan-out channels is demonstrated. This device consists of an input-output fiber array, in which 42 output fibers are aligned radially around an input fiber, a single gradient-index (GRIN)-rod lens and a multifacet blazed reflection grating. In this device, the incident light beam is split into six beams, ...
Photonics Technology Letters, IEEE, 2008
Polarization-independent all-optical demultiplexing of 160-Gb/s optical time- division-multiplexed data based on cross-phase-modulation-induced wavelength shifting in highly nonlinear fiber (HNLF) has been experimentally demonstrated with a maximum power penalty of 0.8 dB due to signal polarization variations. The method uses a simple and easy-to-implement single-path polarization- diversity scheme by placing a short piece of polarization-maintaining fiber before the HNLF.
Multimedia Services Access Networks, 2005. MSAN '05. 2005 1st International Conference on, 2005
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Computer Vision and Pattern Recognition Workshops, 2009. CVPR Workshops 2009. IEEE Computer Society Conference on, 2009
In this work we propose a real-time implementation for efficient extraction of multi-viewpoint silhouettes using a single camera. The method is based on our previously presented proof-of-concept shadow multiplexing method. We replace the cameras of a typical multi-camera setup with colored light sources and capture the multiplexed shadows. Because we only use a single camera, our setup is much cheaper ...
A parallel architecture for high-data-rate AGC/decision/clock-recovery circuit, recovering digital NRZ data in optical-fiber receivers, is described. Improvement over traditional architecture in throughput is achieved through the use of parallel signal paths. An experimental prototype, fabricated in a 1.2-Âµm double-poly double-metal n-well CMOS process, achieves a maximum bit rate of 480 Mb/s. The chip contains variable gain amplifiers, clock recovery, and demultiplexing circuits. It yields a HER of 10- 11 with an 18 mV p-p differential input signal. The power consumption is 900 mW from a single 5 V supply.
A 10-Gb/s phase-locked clock and data recovery circuit incorporates an interpolating voltage-controlled oscillator and a half-rate phase detector. The phase detector provides a linear characteristic while retiming and demultiplexing the data with no systematic phase offset. Fabricated in a 0.18-Âµm CMOS technology in an area of 1.1 x 0.9 mm2, the circuit exhibits an RMS jitter of 1 ps, a peak-to-peak jitter of 14.5 ps in the recovered clock, and a bit-error rate of 1.28 x 10-6, with random data input of length 223 - 1. The power dissipation is 72 mW from a 2.5-V supply.
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