#### Publications

A. Venkatachalam, B. Klein, J.-H. Ryou, S.-C. Shen, R.D. Dupuis, and P.D. Yoder, “Design strategies for InGaN-based green lasers,” IEEE J. Quantum Electron. 46(2), 238-245 (2010).

V. Krishnamurthy, B. Klein, M. Messer, C. Wang, and J.K. Allen, “Robust design of non-linearly tapered slow light couplers,” J. Opt. A: Pure Appl. Opt. 11, 045102 (2009).

V. Krishnamurthy and B. Klein, “Planewave expansion based eigenmode method for scattering-matrix analysis of photonic structures,” J. Opt. Soc. Amer. B 26(7), 1341-1350 (2009).

E. Moore, T. Utschig, K. Haas, B. Klein, P.D. Yoder, Y. Zhang, and M. Hayes, “Tablet PC technology for the enhancement of synchronous distributed education,” IEEE Transactions on Learning Technologies 1(2), 105-116 (2008).

M. Messer, J. H. Panchal, V. Krishnamurthy, B. Klein, P.D. Yoder, J.K. Allen, and F. Mistree, “Designing Embodiment Design-Processes Using a Value-of-Information-Based Approach with Applications for Integrated Product and Materials Design,” accepted for publication subject to revision in ASME Journ. Of Mechanical Design (10/25/2008).

H. Yu, S. Wang, N. Li, W. Fenwick, A. Melton, B. Klein, and I. Ferguson, “MOVPE growth of AlGaN/GaN superlattices on ZnO substrates for green emitter applications,” Journal of Crystal Growth 310(23), 4904-7 (2008).

V. Krishnamurthy and B. Klein, “Theoretical investigation of metal cladding for nanowire and cylindrical micropost lasers,” IEEE J. Quantum Electron. 44(1), 67-74 (2008).

V. Krishnamurthy, M. Messer, J. Allen, and B. Klein, “Matrix-free plane wave modal expansion approach for robust design of photonic structures,” in Conference on Quantum Electronics and Laser Science (QELS) – Technical Digest Series (2008).

H. Yu, S. Wang, N. Li, W. Fenwick, A. Melton, M.H. Kane, B. Klein, and I. Ferguson, “MOVPE growth of AlGaN/GaN superlattices on ZnO substrates for green emitter applications,” in Eighth International Conference on Solid State Lighting, Proceedings of SPIE 7058 (2008).

C. Wang, V. Krishnamurthy, B. Klein, P.D. Yoder, J.K. Allen, “Robust design of nonlinearly tapered waveguide and photodetector,” in Proceedings of the IEEE Systems and Information Engineering Symposium, 123-8 (2008).

A. Venkatachalam, P.D. Yoder, B. Klein, and A. Kulkarni, “Nitride band-structure model in a quantum well laser simulator,” in Proceedings of the 7th International Conference on Numerical Simulation of Optoelectronic Devices, 51-2 (2007).

B. Klein, “Gain eigenvalue calculations for antiguided VCSELS and arrays,” in Physics and Simulation of Optoelectronic Devices XV, M. Osinski, F. Henneberger, Y. Arakawa, Editors, Proceedings of SPIE 6468, 6468-22 (2007).

V. Krishnamurthy and B. Klein, “Optical simulation of photonic crystal patterned layer lasers,” in Physics and Simulation of Optoelectronic Devices XV, M. Osinski, F. Henneberger, Y. Arakawa, Editors, Proceedings of SPIE 6468, 6468-02 (2007).

Y. Liu, W.C. Ng, B. Klein, and K. Hess, “Effects of the spatial nonuniformity of optical transverse modes on the modulation response of vertical-cavity surface-emitting lasers,” IEEE J. Quantum Electron. 39(1), 99-108 (2003).

S. Anders, C.S. Kim, B. Klein, M.W. Keller, R.P. Mirin, and A.G. Norman, “Bimodal size distribution of self-assembled InxGa1-xAs quantum dots,” Phys. Rev. B 66(12), 5309-5313 (2002).

Y. Liu, W.C. Ng, F. Oyafuso, B. Klein, and K. Hess, “Simulating the modulation response of VCSELs: the effects of diffusion capacitance and spatial hole-burning,” IEE Proceedings – Optoelectronics 149(4), 182-188 (2002).

K.L. Silverman, B. Sonnenberg-Klein, R.P. Mirin, S.T. Cundiff, and K. Furbush, “Direct measurement of polarization resolved transition dipole moment in InGaAs/GaAs quantum dots,” in OSA Trends in Optics and Photonics (TOPS) Vol. 73, Conference on Lasers and Electro-Optics, OSA Technical Digest, Postconference Edition (Optical Society of America, Washington, DC, 2002), pp. 632-633.

W.C. Ng, Y. Liu, B. Klein, and K. Hess, “Improved effective index method for oxide-confined VCSEL mode analysis,” in Physics and Simulation of Optoelectronic Devices X, P. Blood, M. Osinski, Y. Arakawa, Editors, Proceedings of SPIE 4646, 168-175 (2002).

Y. Liu, W.C. Ng, F.A. Oyafuso, B. Klein, and K. Hess, “Simulating the effect of spatial hole burning on the modulation responses of VCSELs,” in Physics and Simulation of Optoelectronic Devices X, P. Blood, M. Osinski, Y. Arakawa, Editors, Proceedings of SPIE 4646, 190-198 (2002).

B. Klein, K.L. Silverman, and R.P. Mirin, “Multimode lasing at room temperature from InGaAs/GaAs quantum dot lasers,” in Semiconductor Lasers for Lightwave Communication Systems, C.S. Menoni, R.P. Mirin, Editors, Proceedings of SPIE 4533, 1-8 (2001).

P. Bienstman, R. Baets, J. Vukusic, A. Larsson, M.J. Noble, M. Brunner, K. Gulden, P. Debernardi, L. Fratta, G.P. Bava, H. Wenzel, B. Klein, O. Conradi, R. Pregla, S.A. Riyopoulos, J.P.P. Seurin, and S.L. Chuang, “Comparison of optical VCSEL models on the simulation of oxide-confined devices,” IEEE J. Quantum Electron. 37(12), 1618-1631 (2001).

B.D. Klein, K. Hess, and D.G. Deppe, “Simulation of spontaneous emission in apertured microcavities,” in Physics and Simulation of Optoelectronic Devices VIII, R. Binder, P. Blood, M. Osinski, Editors, Proceedings of SPIE 3944, 264-271 (2000).

F. Oyafuso, B. Klein, L.F. Register, and K. Hess, “Fully coupled electrical and optical simulation of VCSELs,” in Vertical-Cavity Surface-Emitting Lasers IV, K.D. Choquette, C.Lei, Editors, Proceedings of SPIE 3646, 108-116 (2000).

B. Klein, L.F. Register, K. Hess, D.G. Deppe, and Q. Deng, “Active cavity modes for VCSEL simulation,” (Invited), in Vertical-Cavity Surface-Emitting Lasers III, Kent D. Choquette, Chun Lei, Editors, Proceedings of SPIE 3627, 78-86 (1999).

B. Klein, L.F. Register, K. Hess, and D. Deppe, “Theory and modeling of lasing modes in vertical cavity surface emitting lasers,” VLSI Design 8, pp. 87-91 (1998).

B. Klein, L.F. Register, M. Grupen, and K. Hess, “Numerical simulation of vertical cavity surface emitting lasers,” Optics Express 2(4), pp. 163-168 (1998).

B. Klein, L.F. Register, K. Hess, D.G. Deppe, and Q. Deng, “Self-consistent Green’s function approach to the analysis of dielectrically apertured vertical-cavity surface-emitting lasers,” Appl. Phys. Lett. 73(23), pp. 3324-3326 (1998).

B. Meng, B.D.B. Klein, J.H. Booske, and R.F. Cooper, “Microwave absorption in insulating dielectric ionic crystals including the role of point defects,” Phys. Rev. B 53(19), pp. 12777-12785 (1996).

**The mission of the Computational Electronics Group is to provide theoretical and simulation-assisted physical analysis and design of optical and electronic devices. We achieve fast, practical solutions tailored to the needs of our experimental partners. We welcome discussions with potential collaborators, please feel free to contact us!**