Difference between revisions of "Demis D. John"

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{{staff|{{PAGENAME}}
  
{{staff|{{PAGENAME}}
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|position = Principal Development Engineer
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|position = Process Scientist Manager
 
|room = 1109D
  
|room = 1109D
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|phone = (805) 839-5934
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|phone = (805) 893-5934
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|email = demis@ece.ucsb.edu
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|email = demis@ucsb.edu
 
}}
  
}}
   
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==Contact If...==
⚫
=About=
  
⚫
Demis John graduated with his Ph.D. in 2012 from the [http://ocpi.ece.ucsb.edu/ research group of Dr. Daniel J. Blumenthal at UCSB]. He worked on creating [http://ocpi.ece.ucsb.edu/research/photonic-integration/ultra-low-loss-platforms/ ultra-low-loss optical waveguides], in close collaboration with the [http://optoelectronics.ece.ucsb.edu/ Bowers research group], involving a great deal of materials analysis and fabrication along with optoelectronic simulation. From 2012 to 2017, Demis worked at [http://praevium.com/ Praevium Research Inc.] where he developed near-infrared and mid-infrared tunable semiconductor lasers for medical imaging and gas spectroscopy, respectively. Combined, Demis has been using the Nanofab since 2006.
  
   
  +
*You are interested in [https://www.nanotech.ucsb.edu/services#comp-k3t1h1jc fabrication services performed by NanoFab Staff]
⚫
=Current Work=
  
  +
*You need immediate help with one of the [[Demis D. John#Tools|Tools listed below]]
⚫
Demis is knowledgeable in fabrication techniques and troubleshooting processing issues, along with materials characterization techniques and developing new repeatable procedures for fabricating devices. Users are encouraged to ask Demis for help regarding fabrication.
 
  +
*You have a question about the capabilities or usage of a Tool listed below
  +
*You have a question about your fabrication process, or are designing a new fabrication process
  +
*You want help solving some fabrication problem or interpreting fabrication data
   
  ⚫
==About==
−
In addition, Demis is handling high-resolution lithography & experimental processing tasks for external users.
  
  +
[[File:Demis UCSB-Photonics-Gif.gif|alt=animation UCSB Engineering - Photonics|frame]]
  +
Demis John graduated with his Ph.D. in 2012 from the [http://ocpi.ece.ucsb.edu/ research group of Dr. Daniel J. Blumenthal at UCSB].
  ⚫
He worked on creating [http://ocpi.ece.ucsb.edu/research/photonic-integration/ultra-low-loss-platforms/ ultra-low-loss optical waveguides], in close collaboration with the [http://optoelectronics.ece.ucsb.edu/ John E. Bowers research group], involving a great deal of materials analysis and fabrication along with optoelectronic simulation.
  +
From 2012 to 2017, Demis worked at [http://praevium.com/ Praevium Research Inc.] where he developed near-infrared and mid-infrared tunable semiconductor lasers for medical imaging and gas spectroscopy, respectively. Combined, Demis has been using the Nanofab since 2006.
  +
  ⚫
==Current Work==
  ⚫
Demis is the manager of the [[Staff List#Process Group|Process Group]], and is knowledgeable in fabrication techniques and troubleshooting processing issues, along with materials characterization techniques and developing new repeatable procedures for fabricating devices. Users are encouraged to ask Demis for help regarding fabrication.
  +
  +
In addition, Demis is managing all "remote fabrication jobs" for external customers, and assigns these customer jobs and internal processing tasks to the Process Group Staff. External users should contact Demis for inquiries regarding high-resolution lithography & experimental processing tasks.
   
 
Lastly, he is paying attention to usability and user needs in the NanoFab (including websites, procedures etc.), so please notify him of any comments or concerns.
  
Lastly, he is paying attention to usability and user needs in the NanoFab (including websites, procedures etc.), so please notify him of any comments or concerns.
   
−
=Tools=
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==Tools==
−
{{PAGENAME}} is the supervisor for the following tools:
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Demis D. John is the supervisor for the following tools:
  +
−
{|
  
  +
*[[Stepper 3 (ASML DUV)]]
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|-valign="top"
  
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*[[Laser Etch Monitoring|Intellemetrics Laser Monitors on Etching Systems]]
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|
  
  +
*[[Microscopes|Optical Microscopes]]
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*[[Wyko NT1100]]
 
  +
*[[Holographic Lith/PL Setup (Custom)|Holography & Photoluminescence]]
−
|}
  
  +
*[[Probe Station & Curve Tracer]]
  +
*[[IR Thermal Microscope (QFI)]] - ''training only''
  +
*1-cm Wafer-Bonding Fixture (custom)
  +
  +
==External Professional Websites==
  +
  +
*[https://www.linkedin.com/in/demis-john-4790938/ LinkedIn]
  +
*[https://scholar.google.com/citations?user=MZwxgnMAAAAJ&hl=en&authuser=1 Google Scholar]
  +
*[https://www.researchgate.net/profile/Demis_John ResearchGate Profile]
  +
*[https://github.com/demisjohn/ GitHub]
  +
*[http://ips.ece.ucsb.edu Photonics Society at UCSB]

Latest revision as of 21:31, 16 July 2024

Demis D. John
Position Process Scientist Manager
Room Number 1109D
Phone (805) 893-5934
E-Mail demis@ucsb.edu


Contact If...

  • You are interested in fabrication services performed by NanoFab Staff
  • You need immediate help with one of the Tools listed below
  • You have a question about the capabilities or usage of a Tool listed below
  • You have a question about your fabrication process, or are designing a new fabrication process
  • You want help solving some fabrication problem or interpreting fabrication data

About

animation UCSB Engineering - Photonics

Demis John graduated with his Ph.D. in 2012 from the research group of Dr. Daniel J. Blumenthal at UCSB. He worked on creating ultra-low-loss optical waveguides, in close collaboration with the John E. Bowers research group, involving a great deal of materials analysis and fabrication along with optoelectronic simulation. From 2012 to 2017, Demis worked at Praevium Research Inc. where he developed near-infrared and mid-infrared tunable semiconductor lasers for medical imaging and gas spectroscopy, respectively. Combined, Demis has been using the Nanofab since 2006.

Current Work

Demis is the manager of the Process Group, and is knowledgeable in fabrication techniques and troubleshooting processing issues, along with materials characterization techniques and developing new repeatable procedures for fabricating devices. Users are encouraged to ask Demis for help regarding fabrication.

In addition, Demis is managing all "remote fabrication jobs" for external customers, and assigns these customer jobs and internal processing tasks to the Process Group Staff. External users should contact Demis for inquiries regarding high-resolution lithography & experimental processing tasks.

Lastly, he is paying attention to usability and user needs in the NanoFab (including websites, procedures etc.), so please notify him of any comments or concerns.

Tools

Demis D. John is the supervisor for the following tools:

External Professional Websites

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