Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Giora Griffel"'
In 1945, Dr. Ernst Weber founded, and was the first Director of, the Microwave Research Institute (MRI) at Polytechnic University (at that time named the Polytechnic Institute of Brooklyn). MRI gained worldwide recognition in the 50s and 60s for its
Publikováno v:
Pure and Applied Optics: Journal of the European Optical Society Part A. 6:61-66
A recently proposed intracavity directional coupler is analysed. Exact analytic expressions for important parameters such as the transmission ratio, the coupling length, and the photon lifetime are given. We show that by controlling the mirror reflec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f69bc6daa87283b4f579aa58b356b02f
https://doi.org/10.1088/0963-9659/6/1/008
https://doi.org/10.1088/0963-9659/6/1/008
Publikováno v:
IEEE Journal of Quantum Electronics. 27:985-994
A grating-assisted directional coupler is investigated using an improved coupled-mode formulation for multi-waveguide systems with longitudinal perturbation. This approach is capable of handling three-dimensional structures as well as a complex index
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53013e1ef94a4401d10ec58ebd19e960
https://doi.org/10.1109/3.83333
https://doi.org/10.1109/3.83333
Publikováno v:
Scopus-Elsevier
We observe preferential cavity-mode selection in spontaneous emission by oriented molecules at the surface of a microparticle. Polarization-analyzed images of a levitated microdroplet containing surface active molecules reveal a well-defined system i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb3ff460ac2cc411bb9976a258fbd5fd
https://pubmed.ncbi.nlm.nih.gov/18188265
https://pubmed.ncbi.nlm.nih.gov/18188265
Autor:
J. Connolly, R. Menna, W. Lin, P.D. Dapkus, Giora Griffel, Sang Jun Choi, S.J. Choi, K. Djordjev
Publikováno v:
Integrated Photonics Research.
The authors demonstrate all epitaxial semiconductor microring resonators vertically coupled to buried heterostructure (BH) bus waveguides for the first time. Planar vertically stacked waveguides are successfully grown on BH mesas by conducting a two-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe96a001aa398a69d8832ff8ee799056
https://doi.org/10.1364/ipr.2003.itue2
https://doi.org/10.1364/ipr.2003.itue2
Autor:
Chih-Hsiao Chen, Giora Griffel
Publikováno v:
LEOS '95. IEEE Lasers and Electro-Optics Society 1995 Annual Meeting. 8th Annual Meeting. Conference Proceedings.
In this paper, we present a novel transmission-line approach to the static and dynamic analysis of multisection semiconductor lasers. The technique is generic and can be applied to any structure that includes several segments within the laser cavity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce6b9d04f0e440817ce537296197e608
https://doi.org/10.1109/leos.1995.484867
https://doi.org/10.1109/leos.1995.484867
Autor:
Giora Griffel
Publikováno v:
Applied Physics Letters. 63:135-137
We propose a novel intracavity modulator/switch that consists of a directional‐coupler located inside a Fabry–Perot cavity. The back mirror of the cavity has a unit reflectivity so that both input and output signals are at the same side. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e659a8bbd77283821ddb2fbff258c04b
https://doi.org/10.1063/1.110794
https://doi.org/10.1063/1.110794
Autor:
Giora Griffel
Publikováno v:
SPIE Proceedings.
Following a review of ring resonator research in the past decade we shall report a novel bi-level etching technique that permits the use of standard photolithography for coupling to deeply-etched ring resonator structures. The technique is employed t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de234f74b05b234ba4c2c5c8a56fce62
https://doi.org/10.1117/12.382097
https://doi.org/10.1117/12.382097
Publikováno v:
Applied Physics Letters. 58:1827-1829
Tunable, single longitudinal mode spectrum of a novel monolithic, laterally coupled semiconductor stripe laser has been demonstrated. A tuning range of 14.2 nm, which is the widest observed so far in a monolithic device, has been achieved.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::635baaaf64729b8913cc38b6e4337be6
https://doi.org/10.1063/1.105101
https://doi.org/10.1063/1.105101
Publikováno v:
Applied Physics Letters. 58:110-112
A monolithic integration of a double barrier AlAs/GaAs resonant tunneling diode and a GaAs/AlGaAs quantum well laser is reported. Negative differential resistance and negative differential optical response are observed at room temperature. The device
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cc914d715b0dd0a851d99607f5902e9
https://doi.org/10.1063/1.104970
https://doi.org/10.1063/1.104970