S. Aviran, P. H. Siegel, J. K. Wolf
We consider an iterative decoding and detection system for magnetic recording channels. The system uses a zero-forcing equalizer to shape the channel response to a target polynomial, called a...
�� � �e�A. Proof: The complexity is straightforward. REFERENCES (2008)
J. Moon, B. Brickner, B. H. Marcus, R. M. Roth, P. H. Siegel, Constrained Systems
Proposition 11: Algorithm PERIODIC-MF-TRIES computes from the automata e � accepting p—™ �
A 155=GHz Monolithic Low Noise Amplifier (2007)
H. Wang, Y. L. Kok, T. W. Huang, Y. C. Chen, T. Block, P. H. Siegel, ...
This paper presents the design, fabrication and performance of a three-stage 155-GHz monolithic low noise amplifier (LNA) using 0.1-pm pseudomorphic (PM) InAIAs/InGaAs/InP HEMT technology. This...
Improved upper bounds on stopping redundancy (2007)
For a linear block code with minimum distance d, its stopping redundancy is the minimum number of check nodes in a Tanner graph representation of the code, such that all nonempty stopping sets have...
Carbon nanotube field emitters for nanoklystrons and other high frequency tube sources (2006)
Manohara, H., Bronikowski, M. J., Hunt, B. D., Siegel, P. H.
Traditional submillimeter-wave vacuum tube sources, now available only from the former Soviet Union, have been a mainstay for generating modest amounts (mW) of narrow band (phase lockable) tunable CW...
Heterodyne Radiometer Development for the Earth Observing System Microwave Limb Sounder (2004)
Siegel, P. H., Mehdi, I., Dengler, R. J., Oswald, J. E., Pease, A., Crowe, T. W., ...
The gradual depletion of the Earth's stratospheric ozone and the regular appearance of deep ozone 'hole' over the polar regions has dramatic ramifications for our planet
Subharmonic Mixer with Planar Schottky Diodes in a Novel Split-Back at 200 - 240 GHz (2004)
Raisanen, A. V., Dengler, R. J., Mehdi, I., Oswald, J. E., Choudhury, D., Siegel, P. H.
The finite difference time domain (FDTD) method is applied to the analysis of microwave, millimeter-wave and submillimeter-wave filter circuits. In each case, the validity of this method is confirmed...
A Tripler to 220 GHz Using a Back-To-Back Barrier-N-N+ Varactor Diode (2004)
Choudhury, D., Siegel, P. H., Raisanen, A. V., Martin, S. C., Smith, R. Peter
The Microwave Limb Sounder on EOS-CHEM for Atmospheric Chemistry (2004)
Flower, D.A., Waters, J.W., Froidevaux, L., Jarnot, R.F., Lau, G.K., Pickett, H.M., ...
The Microwave Limb Sounder for NASA's Earth Observing System
600 MGHz Planar-Schottsky-Diode Subharmonic Waveguide Mixers (2004)
Mehdi, I., Lee, T., Humphrey, D., Martin, S., Dengler, R. J., Oswald, J. E., ...
We report on the first planar two-diode subharmonic mixer operating at 600MGHz.
Bruston, J., Kim, M., Martin, S. C., Mehdi, I., Smith, R. P., Siegel, P. H.
The design and analysis of varactor diode doubler, quadrupler and cascaded doubler circuits for 320 and 640 GHz have been completed. A new approach has been employed to produce a tunerless waveguide...
Fabrication and Performance of Separately-Biasable Antiparallel-Pair (2004)
Lee, T. H., Humphrey, D. A., Dengler, R. J., Mehdi, I., Martin, S. C., Pease, A., ...
A 210 MHz waveguide subharmonically-pumped mixer with integrated antiparallel-pair planar
Advances in Submillimeter Semiconductor-Based Device Designs and Processes (2004)
Smith, R. P., Martin, S. C., Kim, M., Bruston, J., Mehdi, I., Humphrey, D., ...
Planar submillimeter circuits are slowly replacing whisker-contacted devices at frequencies above 100 GHz, but in many cases the size constraints brought on by the short wavelengths associated with...
Advances in Submillimeter Wave Semiconductor-Based Device Designs and Processes at JPL (2004)
Siegel, P. H., Smith, R. P., Martin, S. C., Kim, M., Bruston, J., Erickson, N., ...
Planar submillimeter wave circuits are slowly replacing whisker-contacted devices at frequencies above 100 GHz, but in many cases the size constraints dictated by the short wavelengths found at high...
A 60 GHz Planar Frequency Multiplier Feed on a Silicon Dielectric-Filled Parabola (2004)
Kim, M., Fujiwra, B. H., Humphrey, D. A., Martin, S. C., Smith, R. P., Siegel, P. H.
A novel all-planar quasi-optical schottky varactor diode frequency doubler has been fabricated and has produced more than 1 mW of output power at 600 GHz with an approximately 2 percent conversion...
A2.5 THz Receiver Front-End for Spaceborne Application (2004)
Gaidis, M. C., Pickett, H. M., Siegel, P. H., Smith, C. D., Smith, R. P., Martin, S. C.
The OH radical is an important player in known ozone depletion cycles; however, due to its location in the atmosphere, it must be studied from either a balloon or spaceborne platform.
Fixed-Tuned Submillimeter Waveguide Multipliers Using MMIC Technology (2004)
Bruston, J., Kim, M., Martin, S. C., Pease, A., Smith, R. P., Siegel, P. H.
In preparation for the insturment ammouncement of opportunity for the Far Infrared and Submillimeter Space Telescope, and ESA/NASA space astrophysics observatory mission, local oscillator sources at...
2.7 THz waveguide tripler using monolithic membrane diodes (2004)
Maiwald, F., Martin, S., Bruston, J., Maestrini, A., Crawford, T., Siegel, P. H.
The description and performance of an 850 to 2550 GHz waveguide tripler is presented.
Traveling-wave membrane photomixers (2004)
Wyss, R. A., Martin, S. C., Nakamura, B. J., Neto, A., Pasqualini, D., Siegel, P. H.
Design and performance of a 2.7 THz waveguide tripler (2004)
Maiwald, F., Martin, S., Bruston, J., Maestrini, A., Crawford, T., Siegel, P. H.
Design and febrication of a THz nanoklystron (2004)
Manohara, H., Siegel, P. H., Marrese, C., Xu, J., Chang, B.
In this presentation they report design and fabrication details of 1200 GHz nanoklystron circuits and ongoing efforts to produce low voltage cold cathodes from carbon nanotube (CNT) emitters.
Traveling-wave membrane photomixers (2004)
Wyss, R. A., Martin, S. C., Nakamura, B. J., Neto, A., Chen, P., Siegel, P. H., ...
Optoelectronic terahertz sources based on photomixers (2004)
Chen, P., Siegel, P. H., Pickett, H. M., Pearson, J. C., Wyss, R. A., Neto, A., ...
The state of research will be presented along with discussions of requirements for THz LOs and laboratory test sources, and the photomixer approach's unique advantages.
Terahertz technology and applications (2004)
THz applications and instrument technology drivers are briefly reviewed.
Linewidth and tuning characteristics of terahertz quantum cascade lasers (2003)
A. Barkan, F. K. Tittel, D. M. Mittleman, R. Dengler, P. H. Siegel, G. Scalari, ...
We have measured the spectral linewidths of three continuous-wave quantum cascade lasers operating at terahertz frequencies by heterodyning the free-running quantum cascade laser with two...
Applications of Submillimeter Wave Technology for SDI, (1998)
Kile, J. N., McGrath, W. R., LeDuc, H. G., Siegel, P. H., Smith, R. P.
This paper examines the potential use of using submillimeter wave technology (actually 3 mm to 100 micrometers, or frequencies between 100 GHz and 3 THz) for SDI applications, especially for endo-KEW...