Stephen Kohen

Terahertz quantum cascade lasers with metal-metal waveguides

Qing Hu, Sushil Kumar, John L. Reno, 2005, SPIE OPTO.

Terahertz quantum cascade lasers using resonant-phonon depopulation and metal-metal waveguides

Qing Hu, Sushil Kumar, Benjamin S. Williams, 2004, SPIE OPTO.

Resonant-phonon-assisted THz quantum-cascade lasers with metal–metal waveguides

Qing Hu, John L. Reno, Hans Callebaut, 2005 .

Continuous-wave operation of terahertz quantum-cascade lasers above liquid-nitrogen temperature

Qing Hu, John L. Reno, Benjamin S. Williams, 2004 .

Electromagnetic modeling of terahertz quantum cascade laser waveguides and resonators

Qing Hu, Benjamin S. Williams, Stephen Kohen, 2005 .