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Topic Area: Optoelectronics
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Displaying records 21 to 30 of 70 records.
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21. Optical performance monitoring of (Q)PSK data channels using artificial neural networks trained with parameters derived from delay-tap asynchronous diagrams
Topic: Optoelectronics
Published: 2/15/2011
Authors: Jeffrey A Jargon, Xiaoxia Wu, Alan Willner, Loukas Paraschis
Abstract: We demonstrate a technique of using artificial neural networks trained with parameters derived from delay-tap asynchronous diagrams for optical performance monitoring of phase shift keying (PSK) data signals. We show that asynchronous diagrams from b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906680

22. The effect of growth orientation and diameter on the elasticity of GaN Nanowires - a combined insitu TEM and atomistic modeling investigation
Topic: Optoelectronics
Published: 12/20/2010
Authors: Kristine A Bertness, Norman A Sanford, Albert Davydov
Abstract: We characterized the elastic properties of GaN nanowires grown along different crystallographic orientations. In situ transmission electron microscopy tensile tests were conducted using a MEMS-based nanoscale testing system. Complementary atomistic s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906878

23. Spectroscopy with a coherent dual frequency comb interferometer at 3.4 µm
Topic: Optoelectronics
Published: 8/1/2010
Authors: Esther Baumann, Fabrizio Raphael Giorgetta, Ian R Coddington, William C Swann, Nathan Reynolds Newbury
Abstract: A coherent dual fiber-comb spectrometer centered at 1.5 µm wavelengths is transferred to 3.4 µm by difference-frequency generation with a 1064 nm cw laser. It is shown that the residual linewidth between the comb teeth at 3.4 µm is resolution-limited ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905917

24. Analysis of trace impurities in semiconductor gas via cavity-enhanced direct frequency comb spectroscopy
Topic: Optoelectronics
Published: 7/20/2010
Authors: Kristine A Bertness, Kevin C Cossel, F Adler, M J Thorpe, Jun Ye
Abstract: Cavity-enhanced direct frequency comb spectroscopy (CE-DFCS) has demonstrated powerful potential for trace-gas detection based on its unique combination of high bandwidth, rapid data acquisition, high sensitivity, and high resolution, which is unava ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908253

25. Calibration service for instruments that measure laser beam diameter
Series: Special Publication (NIST SP)
Report Number: 250-87
Topic: Optoelectronics
Published: 7/1/2010
Author: Shao Yang
Abstract: This document describes the calibration service for instruments that measure laser beam diameter. An overview of the measurement procedures, measurement system, and uncertainty analysis is presented. A sample measurement report is included in this do ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903067

26. Passive terahertz camera for standoff security screening
Topic: Optoelectronics
Published: 7/1/2010
Authors: Erich N Grossman, Charles Dietlein
Abstract: We describe the construction and performance of a passive, real-time terahertz camera based on a modular, 64-element linear array of cryogenic hotspot microbolometers. A reflective conical scanner sweeps out a 2 m ×4 m(vertical × horizontal) field of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905973

27. Dark pulse quantum dot diode laser
Topic: Optoelectronics
Published: 6/7/2010
Authors: Mingming M. Feng, Kevin Lawrence Silverman, Richard P Mirin, Steven T Cundiff
Abstract: We describe an operating regime for passively mode-locked quantum dot diode laser where the output consists of a train of dark pulses, i.e., intensity dips on a continuous background. We show that a dark pulse train is a solution to the master equati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907918

28. Dual-rate linear optical sampling for remote monitoring of complex modulation formats
Topic: Optoelectronics
Published: 6/2/2010
Authors: Tasshi Dennis, Paul A Williams
Abstract: We demonstrate linear optical sampling using simultaneous pulsed and CW local oscillators to enable phase tracking of a data modulated carrier. The technique enables the direct measurement of remotely received signals with low phase noise.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904987

29. Bilateral comparison of power measurement standards for KrF lasers between PTB and NIST
Topic: Optoelectronics
Published: 5/2/2010
Authors: Marla L Dowell, Christopher L Cromer, Darryl A. Keenan, Stefan Kuck, Friedhelm Brandt
Abstract: We report results of the first bilateral laser power comparison for 248-nm KrF excimer lasers accomplished by the National Metrology Institutes of Germany (Physikalisch-Technische Bundesanstalt, PTB) and of the United States of America (National Inst ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903905

30. Chirp characterization of external modulators with finite extinction ratio using linear optical sampling
Topic: Optoelectronics
Published: 5/1/2010
Authors: Tasshi Dennis, Paul A Williams
Abstract: We demonstrate a network monitoring technique for the frequency chirping of external modulators based on linear optical sampling. We present α parameter waveforms of digital data modulation from simultaneously measured amplitude and phase. Digit ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904102



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Looking for a NIST Special Publication (NIST SP Series)? Place the series number and dash in the report number field (Example: 800-) and begin your search.

  • SP 250-XX: Calibration Services
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  • SP 400-XX: Semiconductor Measurement Technology
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