Zobrazeno 1 - 10
of 12
pro vyhledávání: '"David R. Haas"'
Autor:
Hong-Tai Man, Hyun-Nam Yoon, David R. Haas, Ronald N. DeMartino, Robert A. Norwood, James B. Stamatoff, Garo Khanarian
Publikováno v:
Angewandte Makromolekulare Chemie. 183:151-166
Publikováno v:
Applied Physics Letters. 57:977-979
Quasi‐phase‐matched second‐harmonic generation has been observed in a periodically poled nonlinear optical polymer waveguide. Key elements in this demonstration include novel nonlinear optical polymers that can be spin coated, the design and fa
Publikováno v:
SPIE Proceedings.
A wide bandwidth Mach-Zehnder modulator with on/off switching powers of 20 dBm, a bandwidth of up to 20 GHz, and insertion losses around 5 dB is presented which is based on HCC-1232 polymer. Attention is given to material properties of HCC-1232, the
Publikováno v:
MRS Proceedings. 228
Organic and polymeric materials have emerged in recent years as candidates for advanced device and systems applications. This interest has arisen from the promise of extraordinary optical, structural, and mechanical properties of certain organic mate
Autor:
Robert A. Norwood, Harris A. Goldberg, Anthony J. East, Garo Khanarian, Richard Keosian, Robert E. Johnson, David R. Haas, Ilmar L. Kalnin, Michael J. Sansone
Publikováno v:
SPIE Proceedings.
Early work at Hoechst Celanese1 demonstrated that methacrylate polymers with mesogenic side chains could be made with reasonably large electro-optic activity. The mesogenic side chains are polar so that a non-centrosymmetric structure can be obtained
Publikováno v:
SPIE Proceedings.
This paper discusses some of the important material property requirements for polymeric materials in electro-optic device applications, in particular, a detailed materials characterisation of a promising polymer that is not only high in electro-optic
Autor:
Stephen Mann, David R. Haas, Graham H. Cross, Hyun Nam Yoon, Nicholas J. Parsons, Hong-Tai Man
Publikováno v:
SPIE Proceedings.
In this paper, we are reporting on organic polymeric materials designed for electro -optic waveguide device fabrication and a fabrication method for low lossintegrated optical devices. These polymers are methacrylic chain polymers with non -linear op
Autor:
Stephen Mann, Hyun Nam Yoon, Graham H. Cross, R. W. Gymer, David R. Haas, Alan Donaldson, Hong-Tai Man, Nicholas J. Parsons
Publikováno v:
SPIE Proceedings.
Polymeric optical waveguides for integrated optical devices are of current interest for their potential application in very high bandwidth opto-electronic systems. We report our progress in defining and characterising channel waveguides in polymers h
Autor:
Hyun-Nam Yoon, Chia-Chi Teng, Dago E. Sizietz, Garo Khanarian, Greg Nelson, E. Won Choe, Ronald N. DeMartino, James B. Stamatoff, Thomas M. Leslie, David R. Haas
Publikováno v:
Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics. 153:451-477
The molecular structural characteristics which give rise to large optical nonlinearities have been delineated. This has been accomplished by several key steps and has led to the development of a structural algorithm for the design of β molecules wit
Autor:
Ronald N. DeMartino, Tessie M. Che, Chia-Chi Teng, David R. Haas, Garo Khanarian, Hyun-Nam Yoon, Michael J. Sansone, Hong-Tai Man, James B. Stamatoff, Thomas M. Leslie
Publikováno v:
SPIE Proceedings.
The development of organic nonlinear optical materials requires the accurate measurementof its nonlinear optical and electrooptical properties. These measurements provide a guide to the synthesis and fabrication of new nonlinear organic materials wit