Dr. Zbigniew T. Lach Profile

Dr. Zbigniew T. Lach

at Lublin Univ of Technology

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 15 March 2019 Paper

Sign ambiguity of accumulated chromatic dispersion estimated from intensity waveforms in a fiber optic communications link

Zbigniew Lach

Proc. SPIE. 11045, Optical Fibers and Their Applications 2018

KEYWORDS: Signal to noise ratio, Transmitters, Data modeling, Phase modulation, Dispersion, Error analysis, Modulators, Optical communications, Fiber optic communications

Read Abstract +

Proceedings Article | 7 August 2017 Paper

Uncertainty of chromatic dispersion estimation from transmitted waveforms in direct detection systems

Zbigniew Lach

Proc. SPIE. 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017

KEYWORDS: Signal to noise ratio, Statistical analysis, Phase modulation, Modulation, Polarization, Dispersion, Error analysis, Modulators, Telecommunications, Optical communications, Fiber optic communications

Read Abstract +

Proceedings Article | 10 February 2017 Paper

Estimation of first order PMD parameters in single mode optical fibers

Zbigniew Lach

Proc. SPIE. 10325, Optical Fibers and Their Applications 2017

KEYWORDS: Optical fibers, Polarization, Dispersion

Read Abstract +

Proceedings Article | 17 December 2015 Paper

Tail of the joint distribution of the first order PMD parameters

Zbigniew Lach

Proc. SPIE. 9816, Optical Fibers and Their Applications 2015

KEYWORDS: Optical fibers, Transmitters, Statistical analysis, Polarization, Dispersion, Error analysis, Interference (communication), Receivers, Picosecond phenomena, Fiber optic communications, Channel projecting optics

Read Abstract +

Proceedings Article | 11 September 2015 Paper

Limitations to inverse problem based estimation of DGD in an optical fiber due to the use of the linear propagation model

Zbigniew Lach

Proc. SPIE. 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015

KEYWORDS: Optical fibers, Transmitters, Polarization, Dispersion, Error analysis, Kerr effect, Inverse problems, Telecommunications, Optical communications, Systems modeling

Read Abstract +

Proceedings Article | 16 December 2014 Paper

Uncertainty of EOP resulting from uncertain PMD estimation from transmitted signal

Zbigniew Lach

Proc. SPIE. 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014

KEYWORDS: Signal to noise ratio, Transmitters, Eye, Statistical analysis, Phase modulation, Modulation, Polarization, Receivers, Neodymium, Fiber optic communications

Read Abstract +

Proceedings Article | 12 May 2014 Paper

Characterization of first order PMD measurements based on a transmitted signal in an OOK fiber optic communication line

Zbigniew Lach

Proc. SPIE. 9228, Optical Fibers and Their Applications 2014

KEYWORDS: Signal to noise ratio, Statistical analysis, Data modeling, Polarization, Modulators, Quality measurement, Optical communications, Picosecond phenomena, Neodymium, Fiber optic communications

Read Abstract +

Proceedings Article | 11 January 2013 Paper

Chromatic dispersion estimation from input and output intensity waveforms in a fiber optic link with non-zero chirp Mach-Zehnder modulator

Zbigniew Lach

Proc. SPIE. 8698, Optical Fibers and Their Applications 2012

KEYWORDS: Mathematical modeling, Transmitters, Phase modulation, Fiber optics, Dispersion, Chromium, Receivers, Modulators, Phase measurement, Inverse optics

Read Abstract +

Proceedings Article | 13 June 2008 Paper

An automatic protection of a PON feeder based on an optically powered electrooptic switch

Waldemar Wójcik, Zbigniew Lach, Andrzej Smolarz, Tomasz Ławicki, Andrzej Tymecki

Proc. SPIE. 7120, Optical Fibers and Their Applications 2008

KEYWORDS: Photovoltaics, Switches, Solar energy, Switching, Signal attenuation, Passive optical networks, Power supplies, Control systems, Optical switching, Electro optics

Read Abstract +

Proceedings Article | 28 December 2007 Paper

Low electric power supply via optical fibre

Waldemar Wójcik, Andrzej Smolarz, Tomasz Zyska, Zbigniew Lach

Proc. SPIE. 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007

KEYWORDS: Optical fibers, Photovoltaics, Manufacturing, Resistance, Passive optical networks, Power supplies, Analog electronics, Active optics, Network architectures, Polonium

Read Abstract +

Proceedings Article | 30 September 2005 Paper

Controlling light in nanophotonic structures

Zbigniew Lach, Jacek Zientkiewicz, Piotr Grabiec

Proc. SPIE. 5956, Integrated Optics: Theory and Applications

KEYWORDS: Refractive index, Switches, Switching, Modulation, Waveguides, Silicon, Photonic integrated circuits, Nanophotonics, Directional couplers, Microrings

Read Abstract +

Proceedings Article | 30 September 2005 Paper

A roadmap to a technological platform for integrating nanophotonic structures with micromechanical systems in silicon-on-insulator

Jacek Zientkiewicz, Zbigniew Lach, Piotr Grabiec, Alfred Driessen, Bozena Jaskorzynska, Lech Wosinski

Proc. SPIE. 5956, Integrated Optics: Theory and Applications

KEYWORDS: Amorphous silicon, Waveguides, Etching, Silicon, Photomasks, Photonic integrated circuits, Nanophotonics, Semiconducting wafers, Wafer bonding, Chemical mechanical planarization

Read Abstract +

Proceedings Article | 30 September 2005 Paper

Nanophotonic reconfigurable add-drop multiplexer on a silicon chip

Jacek Zientkiewicz, Zbigniew Lach, Piotr Grabiec

Proc. SPIE. 5956, Integrated Optics: Theory and Applications

KEYWORDS: Oxides, Switches, Waveguides, Silicon, Integrated optics, Photonic integrated circuits, Nanophotonics, Multiplexers, Optics manufacturing, Microrings

Read Abstract +

Proceedings Article | 14 May 1999 Paper

Optical methods for detection of gas pollutants

Jacek Zientkiewicz, Zbigniew Lach

Proc. SPIE. 3731, Optical Fibers and Their Applications VI

KEYWORDS: Methane, Light emitting diodes, Modulation, Sensors, Signal attenuation, Gases, Pollution detection, Laser beam diagnostics, Optical gas detection, Absorption

Read Abstract +

Proceedings Article | 14 May 1999 Paper

Spectral coding in fiber optic data communication networks

Zbigniew Lach, Jacek Zientkiewicz

Proc. SPIE. 3731, Optical Fibers and Their Applications VI

KEYWORDS: Thermography, Signal to noise ratio, Transmitters, Fiber optics, Interference (communication), Receivers, Optical networks, Fiber optic communications, Data communications, Fiber optic networks

Read Abstract +