Results 11 to 20 of about 722,415 (286)
Applied Sciences, 2018 We study the problem of multiwavelength absolute phase retrieval from noisy diffraction patterns. The system is lensless with multiwavelength coherent input light beams and random phase masks applied for wavefront modulation.
Vladimir Katkovnik +3 more
doaj +1 more source
Optical signal processing via two-photon absorption in a semiconductor microcavity for the next generation of high-speed optical communications network [PDF]
, 2006 Due to the introduction of new broadband services, individual line data rates are expected to exceed 100 Gb/s in the near future. To operate at these high speeds, new optical signal processing techniques will have to be developed.
Barry, Liam P. +8 more
core +3 more sources
IEEE Access, 2019 In a distributed multiple-radar architecture, the spatial scattering properties of targets can be utilized to counter active deception jamming effectively.
Qiang Li +5 more
doaj +1 more source
Phase-coherent lightwave communications with frequency combs [PDF]
, 2019 Fiber-optical networks are a crucial telecommunication infrastructure in society. Wavelength division multiplexing allows for transmitting parallel data streams over the fiber bandwidth, and coherent detection enables the use of sophisticated modulation ...
Andrekson, Peter A. +7 more
core +2 more sources
Development of new all-optical signal regeneration technique [PDF]
, 2017 All-optical signal regeneration have been the active research area since last decade due to evolution of nonlinear optical signal processing. Existing all-optical signal regeneration techniques are agitated in producing low Bit Error Rate (BER) of 10-10 ...
A Mohajerin-Ariaei +21 more
core +1 more source
Novel Optical Kerr Switching Photonic Device Based on Nonlinear Carbon Material
Micromachines, 2023 In the context of current communication systems, there is an urgent demand for more efficient and higher-speed optical signal processing technologies.
Ke Wang +5 more
doaj +1 more source
Optically Efficient Nonlinear Signal Processing [PDF]
IEEE Journal of Selected Topics in Quantum Electronics, 2011 Optical signal processing techniques employ a wide range of devices and various nonlinearities to achieve multiple network functionalities. The choice of nonlinearity can also impact the relative efficiency, both in terms of energy and material consumption, of the signal processing function being implemented.
Willner, Alan E +6 more
openaire +2 more sources
Research progress of optical signal processing with orbital angular momentum
Tongxin xuebao, 2021 Light beams carrying OAM (orbital angular momentum) exploit the transverse spatial distribution of photons and have helical phase front.In recent years, similar to the WDM (wavelength-division multiplexing) technology, OAM multiplexing technology has ...
Jun LIU, Jian WANG
doaj +2 more sources
Nonlinear Optical Microscopy Signal Processing Strategies in Cancer
Cancer Informatics, 2014 This work reviews the most relevant present-day processing methods used to improve the accuracy of multimodal nonlinear images in the detection of epithelial cancer and the supporting stroma.
Javier Adur +3 more
doaj +2 more sources
Hard-Decision Coded Modulation for High-Throughput Short-Reach Optical Interconnect
Entropy, 2020 Coded modulation (CM), a combination of forward error correction (FEC) and high order modulation formats, has become a key part of modern optical communication systems.
Bin Chen +4 more
doaj +1 more source