Joseph W. Haus
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- School: University of Dayton
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- Department: Engineering
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Location:
300 College Park
Dayton, OH - 45469 - Dates at University of Dayton: -
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Biography
University of Dayton - Engineering
Professor of Electro-Optics, Physics and ECE at University of Dayton
Education Management
Joseph
Haus
Dayton, Ohio Area
Professor Haus was hired as Director in 1999 and he has managed the largest growth in the Electro-Optics Graduate Program in its 28 year history. The number of faculty in the EO Program has grown from 3 to 6 and nine additional research staff members were added. Haus chaired the committees to hire every new member and been the liaison between EO and Human Resources on all the hires. During that period the Program research funding grew by more than twenty times. He served on university committees, including the Graduate Leadership Council, the Dean’s Academic Committee, and Search Committees.
Service to the scientific community grew during this period and Haus organized several successful conferences and served on OSA, SPIE and IEEE committees. He was an Associate editor for Optics Express for six of its formative years. He is now associate editor of the Journal of the European Optical Society and Optical Communications. He is an Associate Editor-in-Chief of Chinese Optics Letters.
He has close international research ties with groups in Japan, Italy, Russia, Mexico and Germany. In 2006 he co-founded and co-chaired an International Nanophotonics Conference in China, which has been supported by the Optical Society of America. Haus has been honored for his research accomplishments by receiving Fellow status in three international societies.
Haus was responsible for writing the proposal that established the LADAR and Optical Communications Institute (LOCI) in 2006 with a $3.2 Million grant from the Air Force Research Laboratory Sensors Directorate and an additional $1.5 Million grant to establish a test bed facility within LOCI. He hired professional and administrative staff and worked with facilities to design and build a 10,000 square foot facility. He raised more than $1.5 Million to establish an endowed Chair in the EO Program. Collaborative and individual funds were raised from Industry Partners to support graduate student work.
Specialties: Nonlinear and quantum optics, nanophotonic materials, fiber lasers, and digital holography.
Experience
Rensselaer Polytechnic Institute
Professor
Associate to full professor in the Physics Department. Teaching and research assignments.
University of Dayton
Director of Electro-Optics
Led the growth in the academic program and recruited faculty, staff and students. Managed financial accounts and developed new funding sources.
University of Dayton
Professor
Conducted research, taught graduate and undergraduate courses, and mentored student projects to help them fulfill requirements for M.S. and Ph.D. degrees. Collaborated with colleagues at UD and at other organizations around the world. A founding organizer of the International Conference of Nanophotonics held in China.
Education
The Catholic University of America
PhD
Physics
John Carroll University
MS
Physics
John Carroll University
BS
Physics
Publications
Harmonic generation in multiresonant plasma films
Physical Review B
We investigate second- and third-harmonic generation in a slab of material that displays plasma resonances at the pump and its harmonic frequencies. Near-zero refractive indices and local field enhancement can deplete the pump for kW/cm^2 incident powers, without resorting to other resonant photonic mechanisms. We show that low-threshold, highly efficient nonlinear processes are possible in the presence of losses and phase mismatch in structures that are 10^4 times shorter than typical nonlinear crystals, for relatively low irradiance values.
Harmonic generation in multiresonant plasma films
Physical Review B
We investigate second- and third-harmonic generation in a slab of material that displays plasma resonances at the pump and its harmonic frequencies. Near-zero refractive indices and local field enhancement can deplete the pump for kW/cm^2 incident powers, without resorting to other resonant photonic mechanisms. We show that low-threshold, highly efficient nonlinear processes are possible in the presence of losses and phase mismatch in structures that are 10^4 times shorter than typical nonlinear crystals, for relatively low irradiance values.
Spontaneous and stimulated Raman scattering near metal nanostructures in the ultrafast, high-intensity regime
Journal of the Optical Society of America B
The inclusion of atomic inversion in Raman scattering can significantly alter field dynamics in plasmonic settings. Our calculations show that large local fields and femtosecond pulses combine to yield (i) population inversion within hot spots, (ii) gain saturation, and (iii) conversion efficiencies characterized by a switch-like transition to the stimulated regime that spans 12 orders of magnitude. While in Raman scattering atomic inversion is usually neglected, we demonstrate that in some circumstances full accounting of the dynamics of the Bloch vector is required.
Harmonic generation in multiresonant plasma films
Physical Review B
We investigate second- and third-harmonic generation in a slab of material that displays plasma resonances at the pump and its harmonic frequencies. Near-zero refractive indices and local field enhancement can deplete the pump for kW/cm^2 incident powers, without resorting to other resonant photonic mechanisms. We show that low-threshold, highly efficient nonlinear processes are possible in the presence of losses and phase mismatch in structures that are 10^4 times shorter than typical nonlinear crystals, for relatively low irradiance values.
Spontaneous and stimulated Raman scattering near metal nanostructures in the ultrafast, high-intensity regime
Journal of the Optical Society of America B
The inclusion of atomic inversion in Raman scattering can significantly alter field dynamics in plasmonic settings. Our calculations show that large local fields and femtosecond pulses combine to yield (i) population inversion within hot spots, (ii) gain saturation, and (iii) conversion efficiencies characterized by a switch-like transition to the stimulated regime that spans 12 orders of magnitude. While in Raman scattering atomic inversion is usually neglected, we demonstrate that in some circumstances full accounting of the dynamics of the Bloch vector is required.
Phase-locked multi-fiber laser using all fiber Talbot self-imaging resonator
J. Europ. Opt. Soc. Rap. Public
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