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DESCRIPTION:Silicon-based Terahertz systems is a field that is only about a
  decade old. In this time\, we have seen a phenomenal growth of silicon sy
 stems operating at THz frequencies for a wide range of applications in sen
 sing\, imaging and communication. It can be argued that both the ‘THz ga
 p’ and the ‘technology and applications gap’ is closing in meaningfu
 l ways in the THz range. Technologies beyond 100 GHz focusing on sensing\,
  imaging and wireless back-haul links are getting attractive as we enter i
 nto a new area of highly dense network of autonomous systems requiring ult
 ra-high speed and reliable links.\n\nIn order to move beyond this inflecti
 on point as Moore’s law continue to slow\, I will discuss why we need to
  look beyond the classical ‘device’-level metrics of efficiency and se
 nsitivity of THz sources and detectors towards holistic ‘system’ level
  properties such as scalability and programmability. Such properties are c
 ritically important for applications in sensing and imaging\, as evidenced
  across sensor fusion technologies across mmWave\, IR and optical frequenc
 ies. In this talk\, I will highlight approaches that cut across electromag
 netics\, circuits\, systems and signal processing\, to allow for such reco
 nfigurability in THz signal synthesis and sensing\, yet realized with devi
 ces that are themselves not very efficient. Particularly\, we will demonst
 rate approaches to THz beamforming arrays\, CMOS sensors reconfigurable ac
 ross the three field properties of spectrum (100 GHz-1000 GHz)\, beam patt
 ern and polarization (Nature Comm’19)\, programmable THz metasurfaces wi
 th CMOS tiling (Nature Elec’20)\, and enabling dynamic spectrum shaping 
 (ISSCC’21\, JSSC’21) and physically secure sub-THz links (ISSCC’20\,
  Nature Elec’21). In the end\, I will comment on what could be the major
  directions for the field in the coming decade.\n\nSpeaker(s): Kaushik Sen
 gupta\, \n\nRoom: BA1230\, Bldg: Bahen Center for Information Technology\,
  40 St George St\, Toronto\, Ontario\, Canada
LOCATION:Room: BA1230\, Bldg: Bahen Center for Information Technology\, 40 
 St George St\, Toronto\, Ontario\, Canada
ORGANIZER:gelefth@ece.utoronto.ca
SEQUENCE:4
SUMMARY:[MTT-S Distinguished Lecture] Terahertz Chip-Scale Systems: A New D
 esign Paradigm
URL;VALUE=URI:https://events.vtools.ieee.org/m/356855
X-ALT-DESC:Description: <br /><div class="profile__bio">\n<p>Silicon-based 
 Terahertz systems is a field that is only about a decade old. In this time
 \, we have seen a phenomenal growth of silicon systems operating at THz fr
 equencies for a wide range of applications in sensing\, imaging and commun
 ication. It can be argued that both the &lsquo\;THz gap&rsquo\; and the &l
 squo\;technology and applications gap&rsquo\; is closing in meaningful way
 s in the THz range. Technologies beyond 100 GHz focusing on sensing\, imag
 ing and wireless back-haul links are getting attractive as we enter into a
  new area of highly dense network of autonomous systems requiring ultra-hi
 gh speed and reliable links.</p>\n<p>In order to move beyond this inflecti
 on point as Moore&rsquo\;s law continue to slow\, I will discuss why we ne
 ed to look beyond the classical &lsquo\;device&rsquo\;-level metrics of ef
 ficiency and sensitivity of THz sources and detectors towards holistic &ls
 quo\;system&rsquo\; level properties such as scalability and programmabili
 ty. Such properties are critically important for applications in sensing a
 nd imaging\, as evidenced across sensor fusion technologies across mmWave\
 , IR and optical frequencies. In this talk\, I will highlight approaches t
 hat cut across electromagnetics\, circuits\, systems and signal processing
 \, to allow for such reconfigurability in THz signal synthesis and sensing
 \, yet realized with devices that are themselves not very efficient. Parti
 cularly\, we will demonstrate approaches to THz beamforming arrays\, CMOS 
 sensors reconfigurable across the three field properties of spectrum (100 
 GHz-1000 GHz)\, beam pattern and polarization (Nature Comm&rsquo\;19)\, pr
 ogrammable THz metasurfaces with CMOS tiling (Nature Elec&rsquo\;20)\, and
  enabling dynamic spectrum shaping (ISSCC&rsquo\;21\, JSSC&rsquo\;21) and 
 physically secure sub-THz links (ISSCC&rsquo\;20\, Nature Elec&rsquo\;21).
  In the end\, I will comment on what could be the major directions for the
  field in the coming decade.</p>\n</div>
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