Faculty Home Page
Aram S. Karakashian
Professor of Physics and Assistant
Chair
Department of Physics and Applied Physics
Office: Olney Hall, OH145
Phone: 978-934-3487 Fax: 978-934-3068
E-mail: Aram_Karakashian@uml.edu
Weekly Schedule Professional Career at UML
Course Websites Publications
Grants and Contracts Ph.D.& M.S. Advisees
Professional career at UMASS Lowell:
1970-77: Assistant Professor (Lowell Technological Institute)
1977-82: Associate Professor (University of Lowell)
1982-present: Professor (University of Massachusetts-Lowell)
1987-93: Chair, Department of Physics and Applied Physics
1993-present: Assistant Chair, Department of Physics and Applied Physics
1996-2007: Co-Director, Photonics and Optical Electronics Device Fabrication
Center
Background information:
Academic Degrees:
B.A. (1961) Temple University
M.A. (1963) Temple University
Ph.D. (1970) University of Maryland
Professional Affiliations:
Member: American Physical Society
Member: American Physical Society/New England Section
1989-90 & 1993-94: Member, APS/NES Executive Committee
1993-94: Chair, APS/NES Executive Committee
Member: Optical Society of America/New England Section
Member: Sigma Pi Sigma
Member: Sigma Xi
Research Interests:
Solid State Physics:
Optical properties of thin films,
Surface plasma resonance on metal films and
Defects and radiation damage in semiconductors and optical materials.
Photonics and Optoelectronics:
Design and modeling of devices such as waveguides, couplers, and
lasers based on thin film and
quantum well structures and quantum well
structures and optical properties of
metamaterials with a negative
index
of refraction.
Journal Publications:
1.
“Phonon Contribution to the Optical Properties of Sodium”,
A. Karakashian and A.
Bardasis, Physics Letters 32A,17 (1970).
2.
“Optical Absorption of Sodium”, A. Karakashian and A. Bardasis,
Physical Review 4B,404
(1971).
3.
“Anisotropic Effects in Surface Plasma Oscillations on Metal Grating Surfaces”,
R.H.
Bjork, Y.Y. Teng and A.S.
Karakashian, Physics Letters 37A,27(1971).
4.
“Behavior of Surface Plasma Oscillations on Grating Surfaces”,
R.H.Bjork, A.S. Karakashian
and Y.Y. Teng, Physical Review 9B,1394(1974).
5.
“Surface Plasma Oscillations on Disordered Binary Alloy Surfaces”, D.P.
Villanucci,
Y.Y. Teng and A.S.
Karakashian, Physics Letters 50A,39(1974).
6.
“The Vibrational Density of States Amorphous Silicon and Germanium from a Small
Cluster Model”, R.Nutter, A.S. Karakashian and
M. Wilner, Journal of Non-Crystalline
Solids
43,1(1981).
7.
“Theory of the Response of Schottky Barrier Diodes to Transverse Magnetic Surface
Waves”, A.S. Karakashian,
Physics Letters 85A,463(1981).
8.
“Angular Scan Spectrum of a Surface Plasma Excitation on a Schottky Diode”, J.
Derov, Y.Y. Teng and A.S.
Karakashian, Physics Letters 95A,197(1983).
9.“Surface
Plasma-Enhanced Internal Photoemission in GaAs Schottky Diodes”,K.
Torosian, A.S. Karakashian
and Y.Y. Teng, Applied Optics 26,2650 (1987).
10.
“Angular Scan Spectra in the Visible of Surface Plasma Excitation on a Schottky
Photodiode”, John Derov, Y.Y.
Teng and A.S. Karakashian, Applied Optics
26,4038(1989).
11.
“Radiation-induced Carbon-related Defects in p-type Silicon”, A.R.
Frederickson,
A.S. Karakashian, P.J. Drevinsky and C.E.
Caefer, Journal of Applied Physics
65,3272(1989).
12.
“Theory of a Metal-Semiconductor Photodiode with Grating Coupling of the
Incident
Light to Surface Plasma Waves”,
M. Rahman, A.S. Karakashian and S. Broude, Journal
of Applied Physics 66,438(1989).
13.
“A Semi-infinite Periodic Rectangular Barrier Model to Study Surface States”,
C.
Narayan and A.S.
Karakashian, Physica B160,97(1989).
14.
"A Model Calculation for Surface Plasma-Enhanced Internal Photoemission in
Schottky-barrier
Photodiodes", M.J.Cazeca, C.C.Chang and A.S.Karakashian,
Journal of Applied Physics 66,3386(1989).
15.
“Surface Plasma Enhanced Quantum Efficiency of a Ag-Ti-n-GaAs Grating
Photodiode”, M. Rahman,
A.S. Karakashian, S. Broude and D. Gladden, Applied
Optics 30,2935(1991).
16.
“Tuning of the Schottky Barrier Height Using Bi-Metallic Layered Structures”,
C.
Narayan, A.S. Karakashian,
G.H. Kegel and Z Rivera, Applied Physics Letters
59,2541(1991).
17.
“Recombination-Induced Random Walk Diffusion of Interstitial Carbon in
Silicon”,
A.R. Frederickson and A.S.
Karakashian, Journal of Electronic Materials 21,
745(1992).
18.
“Capacitance-Voltage Measurement of Charged Defect Concentration Profile Near
Semiconductor Depletion
Zones”, A.R. Frederickson and A.S. Karakashian, Journal of
Applied Physics 77, 1627(1995).
19.
"The Stark Effect for Surface States in a Finite Superlattice
Structure", S-D. Chen, C.
Narayan and A.S.
Karakashian, Physica B 228,239(1996).
20."Analysis
of MBE Grown Ga1-xAlxAs/Ga1-yAlyAs
Dielectric Stack Mirrors Using
Complex Indices of
Refraction",W.J.Strachan,V.Casasanta,J.Reiner,J.D.Geller,
W.D.Goodhue, and
A.S.Karakashian, Journal of Vacuum Science and Technology
B 14 ,2318(1996).
21."
Phonon Mediated Lifetimes in Intersubband Terahertz Lasers, "Vinod Menon,
W.D. Goodhue, A.S. Karakashian and R.L.
Ram Mohan, Journal of Applied Physics
88, 5262 (2000).
22.”Waveguide Design Optimization for a
Quantum Cascade Laser Emitting at 77 mm”,
V. M. Menon, W. D. Goodhue, A. S.
Karakashian, et al., Physica E 7, 52(2000).
23.”Dual-frequency Quantum Cascade
Terahertz Emitter”, V. M. Menon,
W. D. Goodhue, A. S. Karakashian, et
al., Applied Physics Letters 80, 2454(2002).
24. “Role of Interface Phonons in
Quantum Cascade Terahertz Emitters”, V.M. Menon,
L.R. Ram-Mohan, W.D. Goodhue, A.J.
Gatesman, A.S. Karakashian,
Physica B 316, 212(2002).
25. “Phonon Engineered Quantum Cascade
Terahertz Emission”,V.M. Menon,
L.R.Ram-Mohan, W.D. Goodhue, A.S.
Karakashian, A. Naweed,
A. Gatesman, J. Waldman, Physica E 15,
197(2002).
26.”Evidence for Radiative Damping in
Surface-Plasmon-Mediated Light Transmission Through
Perforated Conducting Films”,Ahmer Naweed,
Frank Baumann, William A. Bailey, Jr.,
20, 2534 (2003).
27.”Observation
of Negative Differential Resistance in GaAlAs Single-Barrier
Heterostructure at Room Temperature”, Stephen J. Emelett, William D.
Goodhue,
Aram S. Karakashian and Kenneth Vaccaro, Journal of Applied Physics 95 , 1 (2004).
28."Dispersion and Reflection of Electromagnetic Waves on the Anisotropic Slab of DPS-DNG Layers",
J.H.Shahbazian and A.S.Karakashian,Journal of the Optical Society of America B
(accepted for publication) (2009).
29."Linear Electro-optical Effect on DPS-DNG Layered Structure",J.H.Shahbazian and A.S.Karakashian,
International Journal of Modern Physics B (accepted for publication) (2009).
30."Magneto-optical Effect of DPS-DNG Layered Structure",J.H.Shahbazian and A.S.Karakashian,
Journal of the Optical Society of America B (accepted for publication) (2009).
Conference
Proceedings:
1. “Surface
Plasma Wave Excitation of MIS Photovoltaic Cells”,
W. Berg and A.S.
Karakashian, 9th European Photovoltaic Solar
Energy Conference and
Exhibition, Albert-Ludwig-University,
Freiberg, F.R. Germany,
25-29 September 1989.
2. “Modelling of a Ag/Diamond/n-GaAs
Photodiode with Grating Coupling of the
Incident Light to Surface Plasma Waves”, D.
Barman, M. Rahman, A. S. Karakashian,
A. Altshuler and S. Broude, Material Research
Society Program Boston, p.99 (1989).
3.
“The Study of Schottky Barrier Height of Alloy Semiconductor
Contacts”, C. Narayan, G.H.
Kegel and A.S. Karakashian, Material
Research Society Extended
Abstracts EA-21, 79 (1990).
4.
“DLTS Study of Optoelectronic Devices in the Dynamic Regime”,
S. Mil’shtein, D. Tripp, A.
Karakashian, Defects in Materials
Symposium, Boston MA, USA:
26-29 Nov. 1990 (Pittsburgh PA,
USA: Material Research Society 1991) p.
547-553.
5.
“Development of a Computer Program for the Determination of
Optical Constants of
Radiation Damaged Optical Elements
Using Classical Oscillator
Fit to Reflectance and/or
Transmittance Data”,
Miftahur Rahman, C. Yang, K.S. Chiu, A.S. Karakashian, C.
Karp, T. Mooney and G.
Al-Jumaily, Material Research Society Symposium
Proceedings 247, 889
(1992).
6.
“Characterization of n-GaAs-Au Schottky Diodes as Grating Coupled
Photodetectors”,
K. Krishnaswami, A.S. Karakashian
and C. Wong in Material Research Society, Boston
MA, USA: 30 Nov.-4
Dec. 1992 (Pittsburgh PA, USA: Material Research Society
1993) p. 701-707.
7. “Interfacial Structure Studies of
Metal Bilayer Films Using Transmission Electron
Microscopy”, Gi-Ho Kim, A. S. Karakashian and
Changmo Sung, Material Research
Society Program Boston, p.101 (1993).
8.
"Analysis of MBE Grown Ga1-xAlxAs/Ga1-yAlyAs
Dielectric Stack Mirrors Using
Complex Indices of
Refraction", W.J.Strachan,J.Reiner,W.D.Goodhue,
A.S.Karakashian,V.Casasanta and
J.D.Geller, Fifteenth North American Conference
on MBE - Maryland, September 17-21,1995.
9. "A Comparitive Study of Surface
Plasma Enhanced Grating Coupled Detectors",
Kannen Krishnaswami, Robert J. Tremblay,
William D. Goodhue and Aram S.
Karakashian, presented at Photonics West,
San Jose CA, 8-14 February, 1997 in the
Proceedings of the SPIE 2999, 391
(1997).
10. "Submillemeter Quantum Cascade
Laser in the GaAs/AlGaAs System",
V. M. Menon, W. D. Goodhue, A. S.
Karakashian, in Infrared Technology
and Applications XXIV in the SPIE
Proceedings 3436, part 2, 970 (1998).
11. "Waveguide Design Optimization
for a Quantum Cascade Laser Emitting at 77 um",
Vinod Menon, W.D.Goodhue,
A.S.Karakashian and L.R.Ram Mohan,
5th International
Conference on Intersubband Transitions in Quantum Wells (ITQW '99)
Bad Ischl, Austria, Proceedings in
Physica E, 52-57 (2000).
12. “Jet-Based Photonic Crystals for
Terahertz Technology – A Need for Higher Resolution”,
Jin Li, Thomas A. Horgan, Andrew J.
Gatesman, Robert H. Giles, Aram S. Karakashian
and William D. Goodhue, Material
Research Society Symposium Proceedings, 860E:
Materials Issues in Solid Freeforming, LL4.3
(2005).
Invited Talks
and Conference Presentations:
1."Model
of the Charge Distribution in the p-HEMT Structure", A. S. Karakashian and
V.M. Menon, presented at Raytheon Microelectronics Center, Andover, MA,
August 31, 1999.
2.”Investigation
and Application of Metamaterials in the Visible Regime”,
Alkim
Akyurtlu and William Goodhue, AFOSR Program Review, Nanoelectronics, Negative
Index
Materials and Superconducting Electronics, July 26-28,2005,
San Diego.
3.”Metamaterials
for the Visible Regime”, A. Akyurtlu, A-G. Kussow, A. Semichaevsky and
A. S. Karakashian, presented at 2006
IEEE AP-S International Symposium and USNC/URSI
National
Radio Science Meeting, July 9-14 2006,
4.”A
Test Bench Device for the Characterization of Metamaterials in the Optical
Regime”,
Nicholaos
Limberopoulos, Vasilios Limberopoulos,
William
D. Goodhue, presented at 2006 IEEE AP-S International Symposium and USNC/URSI
National
Radio Science Meeting, July 9-14 2006,
5.”Propagation of Electromagnetic Waves in a One Dimensional Photonic Crystal with DPS/DNG
Layers”, J. H. Shahbazian and A. S. Karakashian, presented at the APS Annual Meeting, March 2007
Denver CO.
6.”Surface Plasmon Resonance Test Bench Device for the Validation of Optical Metamaterials”,
Nicholaos Limberopoulos, Gerald S.
Banks,
and Vasilios Limberopoulos, presented at 2007 URSI North American Radio Science Meeting,
July 22-26,
7.”Non-Bragg Band Gaps in a One
Dimensional Photonic
J.H. Shahbazian and A.S. Karakashian, presented at III International Physics Congress,
October 10-12, 2007,
8."Properties of One Dimensional Layered DPS/DNG Photonic Crystal: Transmission and Reflection",
J.H. Shahbazian and A.S.Karakashian, presented at NES APS, April 2008, New London CT.
9."Optical Effects in One Dimensional Photonic Crystal with DPS/DNG Layers",
J.H. Shahbazian and A.S.Karakashian, presented at SPIE Europe, Metamaterials, April 2008,
Strasbourg, France.
10."Band Structure of Photons in Layered DPS/DNG Materials", J.H. Shahbazian and A.S.Karakashian,
presented at APS, April 2008, St. Louis MI.
11. ”Design, Fabrication and Validation
of Optical Metamaterials”,N.Limberopoulos, A.Akyurtlu, A.S.Karakashian,
W.D.Goodhue, IEEE AP-S International
Symposium and USNC/URSI National Radio Science Meeting, San Diego,
CA July 7, 2008.
12."Reflection of Electromagnetic Waves on Anisotropic DPS/DNG Layers", J.H. Shahbazian and
A.S.Karakashian, presented at NES APS, October 2008, UMass Boston Boston MA.
13. ”Characterization of Optical
Metamaterials”,N.Limberopoulos, A.Akyurtlu, A.S.Karakashian,
W.D.Goodhue and M.J.Coulombe, Material
Research Society, Boston, MA, December 2, 2008.
Abstracts:
1.
“A Further Investigation of Surface Plasma Oscillations on Metal Grating Surfaces”,
R.H. Bjork, Y.Y. Teng and
A.S. Karakashian, Bulletin of the American Physical
Society 16, 543
(1971).
2.
“Surface Plasma Oscillations on Disordered Binary Alloy Surfaces”, Y.Y. Teng,
D.P.
Villanucci and Aram S. Karakashian,
Bulletin of the American Physical Society 20, 589
(1975).
3.
“Theory of the Response of Schottky Barrier Diodes to Surface Plasma Waves”,
A.S.
Karakashian, Bulletin of
the American Physical Society 25, 598 (1980).
4.
“The Photovolatic Effect on Schottky Diodes Due to the Surface Plasma
Excitation”,
Y.Y. Teng, D.K. Dalrymple
and A.S. Karakashian, Bulletin of the American Physical
Society 26, 618
(1981).
5.
“Vibrational Density of States of Amorphous Silicon and Germanium from a Small
Cluster Model”, M. Wilner,
R. Nutter, and A.S. Karakashian, Bulletin of the American
Physical Society 26,
618 (1981).
6.
“Angular Scan Spectrum of a Surface Plasma Excitation on a Schottky Diode”, J.
Derov, Y.Y. Teng and A.S.
Karakashian, Presented at the Joint Spring Meeting of
APS-NES and AAPT-NES at Boston
University (21-22 May 1982).
7.
“Internal Photoemission in Schottky Barrier Diodes due to the Surface Plasma
Resonance”, A.S.
Karakashian and C.C. Chang, Bulletin of the American Physical
Society 28, 19
(1983).
8.
“Optical Constants of Alloy Surface Barrier Contacts”, Y. Lin, A.S. Karakashian
and
Y.Y. Teng, Bulletin of the
American Physical Society 28, 43 (1983).
9.
“The Excitation of the Surface Plasma Resonance in the Visible Range on a
Schottky
Barrier Diode Using a Prism
Coupler”, A.S. Karakashian, J. Derov and Y.Y. Teng,
Bulletin of the American
Physical Society 30, 710 (1985).
10.
“Excitation of Surface Plasma Oscilations on Schottky-Barrier Diodes with
Grating
Surface Geometries”, J. Lelanc, Y.Y.
Teng and A.S. Karakashian, Bulletin of the
American Physical
Society 30, 1136 (1985).
11. “Angular Scan Spectrum of a Surface
Plasma Excitation on a Schottky Diode”,
Kaspar Torosian, Aram S. Karakashian
and Ye-Yung Teng,
Bulletin of the American Physical
Society 31, 121 (1986).
12.
“Characterization of GaAs and GaAs Devices”, A.W. Bielech, A.S. Karakashian and
K. Prasad,
Bulletin of the American Physical Society 31, 121 (1986).
13. “The Interaction of a Surface
Plasma Wave with a Surface Acoustic Wave”,
G. Phillips and A.S. Karakashian,
Bulletin of the American Physical Society 31, 122 (1986).
14.
“A Rutherford Backscattering Spectroscopy (RBS) System for Studying the Diffusion
of Tin into GaAs”, D.Ila,
A.S. Karakashian and G.H. Kegel,
Bulletin of the American
Physical Society 31,
124 (1986).
15.
“Thermal Diffusion of Tin into Gallium Arsenide at 400°C”, D. Ila, A.S.
Karakashian
and G.H. Kegel, Bulletin of
the American Physical Society 32, 1405 (1987).
16.
“Acoustic Modulation of Optical Absorption of a Class of Surface Active
Polydiacetylenes”, S.S.
Kumar, A.S. Karakashian and S.K. Tripathy, Bulletin of the
American Physical Society 33,
1259 (1988).
17.
“Enhanced Quantum Efficiency Photodetectors Grating Coupling to Surface Plasma
Waves”, M. Rahman, A.S.
Karakashian, S. Broude and D. Gladden, Bulletin of the
American Physical Society 33,
40 (1988).
18.
“Electron Microscopy and Electrical Characterization of Grating
Photodetectors”, M.
Rahman, A.S. Karakashian,
S. Broude and D. Gladden, Bulletin of the American
Physical Society 33,
1808 (1988).
19.
“Theory of MS and MIS Photodetectors with Grating Coupling of Incident Light to
SPW”, M. Rahman, A.S. Karakashian
and S. Broude, Bulletin of the American Physical
Society 33, 1809 (1988).
20.
“Rutherford Backscatter Study of Al-Ag Alloy Formation by the Flash Evaporation
Technique”, C. Narayan, D.
Ila, A.S. Karakashian and G.K.R. Kegel, Bulletin of the
American Physical Society 33,
1810 (1988).
21.
“Determination of the Optical Constants of Thin AlxAg1-x Alloy Films by the ATR
Methods”, S.M. Rahman, Y.S.
Lin, A.S. Karakashian and Y.Y. Teng, Bulletin of the
American Physical Society 33,
1811 (1988).
22. “A Model for Surface States at a
Metal-Semiconductor Interface”, C. Narayan and
A.S. Karakashian, Bulletin of the
American Physical Society 34, 1270 (1989).
23. “Determination of the Optical
Constants and Thickness of the Oxidized Aluminum
Film Using the Attenuated Total
Reflection and Simplex Method”, C. Lin, C. Wong
and A.S. Karakashian, Bulletin of
the American Physical Society 35, 1544 (1990).
24.
“Some Experimental Aspects of Rutherford Backscattering Technique”, C. Narayan,
C. Jen, G.H.R. Kegel and A.S. Karakashian,
Bulletin of the American Physical Society
35, 1545 (1990).
25.
“Electrically- and Optically-Induced Migration, Accumulation and Transformation
of
Electrically
Active Defects in Insulators and Semiconductors”, A.R. Fredrickson and
A.S.
Karakashian, Bulletin of the American Physical Society 38, 1650 (1993).
26.
“Optical Response of Grating Coupled Detectors", Kannan Krishnaswani,
Robert
Tremblay, A.S.
Karakashian and C. Wong, Bulletin of the American Physical Society
39, 1275 (1994).
27.
"Surface States and Wave Propagation of a Semi-infinite Superlattice
Structure",S-D.
Chen, C.Narayan and
A.S.Karakashian, Bulletin of the American Physical Society 40,
1442 (1995).
28.
"An Experimental Study of the Optical Properties of AgxAl1-x Films by Surface
Plasma Excitation",
Heng-Long Yang, A.S.Karakashian and C.Wong, Bulletin of the
American Physical Society 40,
1445 (1995).
29. "Reflectivity and Absorption
of a Periodic GaAs/AlxGa1-xAs Structure", J.Reiner
and
A.S.Karakashian, Bulletin of the
American Physical Society 40, 1445 (1995).
30. "Sinusoidal Metallic Grating
Coupler on an Asymmetric Planar Waveguide",
David P. Tremblay and
A.S.Karakashian, Bulletin of the American Physical Society
41, 1204 (1996).
31.
"An Experimental Measurement of the Optical Constants of Thin CrAl Films
Using
Surface Plasma Excitation", J.C.Lee, C.Wong, and A.S.Karakashian,
Bulletin of the
American Physical Society 41, 1205 (1996).
32. "Intraband and Interband
Oscillator Strengths and Transition Probabilities for Various
AlGaAs/GaAs/InGaAs SCH
Structures", A.Backer and A.S.Karakashian, Bulletin of the
American Physical Society 41,
1205 (1996).
33. "Design of a Far-infrared
Quantum Cascade Laser Emitting at 77 µm", V. M. Menon,
W. D. Goodhue, A. S. Karakashian and
L. R. Ram-Mohan, at the APS Centennial
Meeting, Atlanta, GA, March
20-26, 1999 in Bulletin of the American Physical Society
44, 1748 (1999).
34.”Propagation of Electromagnetic
Waves in a One Dimensional Photonic
DPS/DNG Layers”, Joseph Shahbazian
and
http://meetings.aps.org/link/BAPS.2007.MAR.Y31.5
35."Properties of One Dimensional Layered DPS/DNG Photonic Crystal: Transmission and Reflection",
Joseph Shahbazian and Aram Karakashian, http://meetings.aps.org/Meeting/NES08/Event/86417
Book Reviews:
1.
Introduction to Solid State Physics; 7th Edition by Charles Kittel, John
Wiley & Sons,
Inc., New York, 1996 published in
Molecular Crystals and Liquid Crystals 293, 328
(1997).
2.
Solid State Physics: Problems and Solutions, by Laszlo Mihaly and
Michael C. Martin,
John Wiley & Sons, Inc., New
York , 1996 published in Molecular Crystals and Liquid
Crystals 309, 297 (1998).
3.
Principles of Condensed Matter Physics, by P.M. Chaikin and T.C.
Lubinsky,
Cambridge University Press, Cambridge
U.K., 2000 published in Molecular Crystal
and Liquid Crystals 369,
275 (2001) and 373, 251 (2002).
Technical
Reports:
1.
“Atomic Wavefunctions”, A.S. Karakashian, Temple University (1963).
2.
“Straight Edge Diffraction Due to a Finite Source”, A.S. Karakashian, Temple
University (1963).
3.
“A Two Dimensional Band Calculation”, A.S. Karakashian, Temple University
(1964).
4.
“Laser Power Measurment of Q-Switched Ruby Lasers”, A.S. Karakashian, Frankford
Arsenal, Philadelphia, PA
(1965).
5.
“The Transverse Dielectric Tensor for Alkali Metals”, A.S. Karakashian,
University of
Maryland (1970).
6.
“Progress Report: Development of Waveguiding Structures in the Visible Regime
Using Nanoscale Metamaterials”, with Alkim Akyurtlu and William Goodhue,
University of California, San Diego, July 27,2005.
7.”Progress Report: A Test Bench Device
for the Characterization of Metamaterials
in the
Optical Regime“, with Nickolas Limberopoulos, Vasilios Limberopoulos,
Alkim Akyurtlu and William Goodhue, Albuquerque,
NM, July 14,2006.
1.
National Science Foundation, “The Response of Schottky-Barrier Diodes to
Surface
Plasma Waves”, with Y.Y.Teng
(1979-1981).
2.
National Science Foundation, “A Study of the Surface Plasmon State in Metals
and
Disordered Binary Alloys”,
with Y.Y.Teng (1979-1981).
3. Piconics, Inc., “The Development and
Testing of a Magnetron Sputtering Apparatus
for Making Thin Film
Resistors” (1981).
4.
Barr Associates, “Radiation Effects Study of Optical Elements” (1989-1991).
5. Diamond Force Corporation,
"Feasibility of Determining the Gold Content of Alloys
Using Either Reflectance or Thermal Conductance Measurements", with
W.Goodhue
(1995-1996).
6. Raytheon Company, Microelectronics
Center, "Modeling the Charge Distribution in the
pHEMT Structure and Determining Energy
Levels in the Quantum Wells",
with K. Prasad (1999-2000).
7. Air Force Office of Scientific
Research, “Development of Waveguiding Structures in the
Visible Regime Using Nanoscale Metamaterials”,
with Alkim Akyurtlu and
William Goodhue (2005 – 2008).
Patents
Granted:
1. U.S. Patent Office “Systems and Methods Using Phonon Mediated Intersubband Laser”
U.S. Patent Number US 6,829,269 B2, Issued on 12/7/04, To William Goodhue,
L. Ramdas Ram-Mohan, Aram Karakashian and Vinod Menon
Doctoral Dissertations Supervised or Co-supervised:
1.
“Calculations of the Vibrational Density of States of Amorphous Germanium and
Silicon”, Robert F. Nutter
(1979).
2.
“Internal Photoemission in Schottky Barrier Diodes Due to the Surface Plasma
Resonance”, Ching-Chung
Chang (1982).
3.“The Determination of the Optical
Constants of Thin Binary Alloy Films Using
Surface Plasma Techniques”,
Yih-Shung Lin (1984).
4.
“Study of Tin Diffusion into Gallium Arsenide by Rutherford Backscattering
Spectroscopy”, Daryush Ila
(1987).
5.
“Surface Plasma Enhanced Quantum Efficiency of a Ag-Ti-nGaAs Junction”,
Miftahur
Rahman (1988).
6.
“Hot Electron Transport Using Surface Plasma Enhanced Photo-injection in
Schottky
Diodes”, Mario J. Cazeca
(1988).
7. “A Prism Coupled Surface Plasma Wave
Excited Metal- Insulator-Semiconductor
Solar Cell”, William M. Berg (1990).
8.
“Recombination Enhanced Defect Diffusion in Semiconductor Devices, Carbon in
Silicon”, Arthur Robb Frederikson
(1991).
9.
“Tuning of the Schottky Barrier Height Using Bi-Metallic Layered Structures”,
Chandrika Narayan (1992).
10.
“Surface States in Superlattice Structures”, Shyh-Dean Chen (1995).
11.”Study
of the Variation of the Optical Constants of the Aluminum-based Multilayer
Thin Films”, Henglong
Yang (1997).
12.
"A Modeling of the Monolithic SHOC Laser Module for Optical Output
Optimization", Augustine Backer (1999).
13.
"Design, Fabrication and Characterization of Quantum Cascade Terahertz
Emitter",
Vinod Menon (2001).
14.
“Fabrication and Analysis of Photonic
Jin Li (2006).
15."Propagation of Electromagnetic Waves in a One Dimensional Photonic Crystal with
DPS-DNG Layers", Joseph Shahbazian (2009).
Masters Theses Supervised or Co-supervised:
1.” Generation and detection of surface acoustic waves on quartz”, Gregory Phillips (1984).
2.” Study of the aging effect in the magnesium fluoride coated silver film system”, Richard Migliaccio (1985).
3.” Characterization of gallium arsenide and gallium arsenide devices”, Andrew Bielech (1985).
4.” Surface plasma enhanced photo injection in gallium arsenide Schottky diodes”, Kaspar Torosian (1985).
5.” Determination of the optical constants of thin
aluminum(x)silver(1-x) alloy films by the ATR method”, Shahina Rahman
(1987).
6.” Fabrication and testing of MIS solar cells”, Frank Walters (1988).
7.” Theoretical and experimental study of the linear response
of a surface plasma wave observed on a thin aluminum film using the attenuated
total reflection technique”, Chen-Hau Lin (1989).
8.” Radiation effects on the properties of optical components
for space applications”, Kong She Chiu (1991).
9.” Measurement of the optical constants of gamma irradiated
optical materials”,Chaodung Yang (1991).
10.” An experimental study of the optical properties of thin
silver(x) aluminum(1-x) films by surface plasma excitation”, Henglong Yang (1994).
11.” Microstructural studies of metal layer films
(aluminum/chromium) using transmission electron microscope”, Gi-Ho Kim (1994).
12.” Detection of grating coupled surface plasma waves on
Ag-nGaAs photodiodes”, Robert Tremblay (1995).
13.” Feasibility of embedding large aperture guided-wave mirror
in an optical slab waveguide”, Huseyin Sari (1995).
14.” Microstructural studies of aluminum composites and copper
/ silicon carbide functionally gradient materials”, Ju-Hwan Choi
(1995).
15.”Grating
coupled detectors”, Kannan Krishnaswami (1995).
16.” An experimental measurement of the optical constants of
thin chromium aluminide films using surface plasma excitation”, Jui-Chu Lee (1996).
17.” Calculating and optimizing the coupling efficiency of a
sinusoidal grating output coupler on an asymmetric waveguide”, Wen-Han Chang (1996).
18.” Sinusoidal gold grating coupler on an asymmetric planar
waveguide”, David Philip Tremblay (1996).
19.” Evanescent
wave coupling of a diode laser to a planar waveguide”, Jennifer Rossler (1997).
20.” Design, modeling, fabrication and characterization of a
hybrid triangular barrier photodiode (single-barrier resonant photodiode)”, Stephen Emelett (2003).
21.” Design, fabrication and characterization of silicon
nitride based MEMS spatial light modulators”, Gregory Griffith (2004).
DEPARTMENT OF PHYSICS AND APPLIED PHYSICS
SCHEDULE FOR A. S. KARAKASHIAN
OFFICE: OH 145 PHONE: (978) 934-3487
E-MAIL: Aram_Karakashian@uml.edu
FALL SEMESTER 2009 LAST UPDATE:8/31/09
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95.144 LEC. KI305 |
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Last modified on January 23, 2009