A picture of Greg Sun
A picture of Greg Sun           
Greg Sun

Professor of Physics
Director, Engineering Program

Department of Physics
University of Massachusetts at Boston
100 Morrissey Blvd
Boston, MA 02125

Office: S–3–116
Email: here
Phone: 617 287 6432
Fax: 617 287 6053

Research Interests
Semiconductor optoelectronics and nanotechnology, quantum heterostructures and intersubband quantum processes
Current Research Topics

Semiconductor nanostructures and quantum devices with applications in optoelectronics ranging from inter-band and inter-subband lasers, light emitting devices to plasmonics and phonon dynamics.

Physics 113: Fundamental Physics I

Selected Publications 
The intersubband approach to silicon based lasers –circumventing the indirect bandgap limitation
G. Sun,
Adv. Opt. Photon. 3, 53 (2011)

Design of a Si-based lattice-matched room-temperature GeSn/GeSiSn multi-quantum-well
mid-infrared laser diode

G. Sun, R. A. Soref, and H. H. Cheng,
Opt. Express 18, 19957 (2010)

Practical enhancement of photoluminescence by metal nanoparticles
G. Sun, J. B. Khurgin, and R. A. Soref,
Appl. Phys. Lett. 94, 101103 (2009)

Practicable enhancement of spontaneous emission using surface plasmons
G. Sun, J. B. Khurgin, and R. A. Soref
Appl. Phys. Lett. 90, p.111107 (2007)

Design of a GaN/AlGaN intersubband Raman laser electrically tunable over the 3-5 micrometer atmospheric transmission window
G. Sun, J. B. Khurgin, and R.A. Soref,
J. Appl. Physics 99, 033103 (2006)

Intersubband lasing lifetimes of SiGe/Si and GaAs/AlGaAs multiple quantum well structures
G. Sun, L. Friedman, and R. A. Soref
Appl. Phys. Lett. 66, 3425 (1995)

Optically pumped 4-level infrared-laser based on intersubband transitions in multiple-quantum wells
-- feasibility study

G. Sun and J. B. Khurgin
IEEE J. Qauntum Electronics 29, 1104 (1993)