Publications

A.R. Davis, L. Pye*, L, N. Katz, J.A. Hudgings, K.R. Carter, “Spatially Mapping Charge Carrier Density and Defects in Organic Electronics Using Modulation Amplified Reflectance Spectroscopy,” Advanced Materials, vol. 26 (26), p.4539-45, 2014.

N. Katz, A. Arango, and J. Hudgings, “Mapping Temperature in OLED Displays Using CCD Thermoreflectance,” Photonics Technology Letters, vol. 26 (2), p.194-7, 2014.

N. Katz, M. Patterson*, K. Zaunbrecher, S. Johnston and J. Hudgings, “High resolution imaging of defects in CdTe solar cells using thermoreflectance,” Electronics Letters, vol. 49 (24), 2013.

Q. Zhou, X. Hu*, K. Al-hemyari, K. McCarthy, L. Domash, J.A. Hudgings, “High spatial resolution characterization of silicon solar cells via thermoreflectance imaging,” Journal of Applied Physics, vol. 110(5), p.053108-1, 2011.

Jonathan A. Malen, Kanhayalal Baheti, Tao Tong, Yang Zhao, Janice A. Hudgings, Arun Majumdar, “Optical Measurement of Thermal Conductivity Using Fiber Aligned Frequency Domain Thermoreflectance,” Journal of Heat Transfer, vol. 133(8), p.081601, 2011.

J. Summers, T. Yang, M. T. Tuominen, and J.A. Hudgings, “High contrast, depth-resolved thermoreflectance imaging using a Nipkow disk confocal microscope,” Review of Scientific Instruments, vol. 81(1), p.014902, 2010.

K.J. Greenberg*, J.A. Summers, and J.A. Hudgings, “Thermal coupling in vertical cavity surface emitting laser arrays,” Photonics Technology Letters, vol. 22(9), pp.655-657, 2010.

J.A. Summers, M. Farzaneh, R.J. Ram, and J.A. Hudgings, “Thermal and optical characterization of photonic integrated circuits by thermoreflectance microscopy,” Journal of Quantum Electronics, vol. 46 (1), pp.3-10, 2010.

L.H. Domash, K. McCarthy, Q. Zhou, K. Al-Hemyari, X. Hu, J. Hudgings, “Thermoreflectance and multimode imaging for defect location in silicon solar cells,” Proceedings of the SPIE – The International Society for Optical Engineering, vol.7773, p.77730A, 2010.

M. Farzaneh, K. Maize, D Luerssen, J.A. Summers, P.M. Mayer, P.E. Raad, K.P. Pipe, A. Shakouri, R.J. Ram, and J.A. Hudgings, “CCD-based thermoreflectance microscopy: principles and applications,” Journal of Physics D: Applied Physics, vol. 42(14), p.143001, 2009.

M. Farzaneh, R. Amatya*, D. Lüerßen, K.J. Greenberg*, W.E. Rockwell*, and J.A. Hudgings, “Temperature profiling of VCSELs by thermoreflectance microscopy,” Photonics Technology Letters, 19(8), pp.601-603, 2007.

P.M. Mayer, D. Lüerßen, R.J. Ram, and J.A. Hudgings, “Theoretical and experimental investigation of the thermal resolution and dynamic range of CCD-based thermoreflectance imaging,” Journal of the Optical Society of America A, 24 (4), pp.1156-63, 2007.

M. Farzaneh, J. A. Hudgings, and R. J. Ram, “Fiber-free characterization of photonic integrated circuits by thermoreflectance microscopy,” Proceedings of the 2007 Conference on Lasers & Electro-Optics/Quantum Electronics and Laser Science, vols. 1-5, pp.1860-1861, 2007.

E.W. Kapusta*, D. Lüerßen, and J.A. Hudgings, “Quantifying optical feedback into semiconductor lasers via thermal profiling,” Photonics Technology Letters, vol. 18 (2), pp.310-312, 2006.

D. Lüerßen, R. J. Ram, and J. Hudgings, “Radial temperature profiling of VCSELs,” Proceedings of the 2005 Conference on Lasers & Electro-Optics (CLEO), vols. 1-3, pp.1378-1380, 2005.

D. Lüerßen, R.J. Ram, A. Hohl-AbiChedid, E. Clausen, Jr., and J.A. Hudgings, “Thermal profiling: locating the onset of gain saturation in semiconductor optical amplifiers,” Photonics Technology Letters, vol. 16 (7), pp.1625-1627, 2004.

D. Lüerßen, R. J. Ram, and J. A. Hudgings, “2-D thermal imaging of the optical power distribution in photonic integrated circuits,” Proceedings of the 2004 IEEE LEOS Annual Meeting Conference, vols. 1 and 2, pp.163-164, 2004.

J.A. Hudgings, K.P. Pipe, and R.J. Ram, “Thermal profiling for optical characterization of waveguide devices,” Applied Physics Letters, vol. 83 (19), pp.3882-3884, 2003.

P.A. Judge*, C.H.L. Quay*, and J.A. Hudgings, “Robustness to optical feedback of oxide-confined versus proton-implanted VCSELs,” Applied Physics Letters, vol. 81 (21), pp.3933-3935, 2002.

B.W. Packard and J.A. Hudgings, “Physics Careers Website: Expanding college women’s perceptions of physicists’ lives and work,” Journal of College Science Teaching, vol. 32 (3), pp.164-170, 2002.

P.A. Judge*, C. H. L. Quay*, and J. A. Hudgings, “Sensitivity to optical feedback of oxide-confined vs. proton-implanted VCSELs,” 2002 Digest of the LEOS Summer Topical Meetings, pp.C49-C50, 2002.

C.H.L. Quay*, I.Z. Maxwell*, and J.A. Hudgings, “Coherence collapse and redshifting in vertical-cavity surface-emitting lasers exposed to strong optical feedback,” Journal of Applied Physics, vol. 90 (12), pp.5856-5858, 2001.

J.A. Hudgings, R.J. Stone, S.F. Lim, K.Y. Lau, and C.J. Chang-Hasnain, “Comparative study of the analog performance of a vertical cavity surface emitting laser under gain and cavity loss modulation,” Applied Physics Letters, vol. 77 (14), pp.2092-2094, 2000.

J.A. Hudgings, L.A. Molter, and M. Dutta, “Design and modeling of passive optical switches and power dividers using non-planar coupled fiber arrays”, IEEE Journal of Quantum Electronics, vol. 36 (12), pp.1438-1444, 2000.

J.A. Hudgings, R.J. Stone, C.H. Chang, S.F. Lim, K.Y. Lau, and C.J. Chang-Hasnain, “Dynamic behavior and applications of a three-contact vertical cavity surface emitting laser,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 5 (3), pp.512-519, 1999.

R.J. Stone, J.A. Hudgings, S. F. Lim, K.Y. Lau, and C.J. Chang-Hasnain, “Independent phase and magnitude control of an optically carried microwave signal with a three terminal vertical cavity surface emitting laser,” IEEE Photonics Technology Letters, vol. 11 (4), pp.463-465, 1999.

J.A. Hudgings, S.F. Lim, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “Compact, integrated optical disk readout head using a novel bistable vertical cavity surface emitting laser,” Photonics Technology Letters, vol. 11 (2), pp.245-247, 1999.

J.A. Hudgings, K.Y. Lau, “Step-tunable all-optical wavelength conversion using cavity-enhanced four wave mixing,” IEEE Journal of Quantum Electronics, vol. 34 (8), pp.1349-1355, 1998.

J.A. Hudgings, R.J. Stone, S.F. Lim, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “The physics of negative differential resistance of an intracavity voltage-controlled absorber in a vertical cavity surface emitting laser,” Applied Physics Letters, vol. 73 (13), pp.1796-1798, 1998.

J.A. Hudgings, S.F. Lim, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “Self-pulsations, bistability, and intracavity quantum well absorber modulation of VCSELs,” in Optoelectronic Integrated Circuits II, Proceedings of the SPIE, vol. 3290, ed. S. Wang and Y. Park, 1997.

S.F. Lim, J.A. Hudgings, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “VCSELs with a novel integrated quantum-well absorber,” in Vertical-Cavity Surface-Emitting Lasers II, Proceedings of the SPIE, vol. 3286, ed. R.A. Morgan and K.D. Choquette, 1998.

S.F. Lim, J.A. Hudgings, L.P. Chen, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “Modulation of a vertical-cavity surface-emitting laser using an intracavity quantum-well absorber,” IEEE Photonics Technology Letters, vol. 10 (3), pp.319-321, 1998.

S.F. Lim, J.A. Hudgings, L.P. Chen, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “Novel intracavity modulator integrated with a vertical-cavity surface-emitting laser,” in Trends in Optics and Photonics Series (TOPS), ed. C.J. Chang-Hasnain, Washington, D.C., Optical Society of America, 1997, vol. 15, pp.48-52, 1997.

S.F. Lim, J.A. Hudgings, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, “Self-pulsating and bistable VCSEL with controllable intracavity quantum-well saturable absorber,” Electronics Letters, vol. 33 (20), pp.1708-9, 1997.