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Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 5:442-448
Single mode operation in a wide temperature range (-40/spl deg/C/spl sim/+85/spl deg/C) has been obtained, from an etched-QW strongly gain-coupled (SGC) distributed-feedback laser at 1.3 /spl mu/m. The SGC lasers exhibit an excellent sidemode-suppres
Publikováno v:
IEEE Photonics Technology Letters. 11:1214-1216
More than 15 nm of continuous wavelength tuning range has been obtained by means of temperature tuning and current setting in three-section grating-cascaded strongly gain-coupled distributed-feedback lasers. Within the entire wavelength tuning range,
Publikováno v:
Offshore Technology Conference.
Publikováno v:
Offshore Technology Conference.
Publikováno v:
Applied Physics Letters. 62:2486-2488
Chemically assisted ion beam etching (CAIBE) has been used to etch InGaAsP/InP ridge laser facets. Smooth, vertical facets 4 μm deep have been etched using Ar/Cl2 CAIBE with a beam voltage of 440 V and a beam current density of 0.08 mA/cm2. Room tem
Autor:
Steven Dzioba, S. Livermore, R. Rousina, M. Young, J. P. D. Cook, F. R. Shepherd, S. Jatar, T. V. Herak
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 12:2848
Chemically assisted ion beam etching (CAIBE) and electron cyclotron resonance (ECR) plasma deposition have been used to etch and coat 1.3 μm InGaAsP/InP heterostructure lasers in full wafer form. Ar/Cl2 CAIBE, using an ECR dual grid ion source, was
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 32:326-331
This paper describes a novel technique, based on the use of a microwave bridge, for the determination of very small changes in the phase and attenuation constants of semiconductor materials. Using this technique, the photoelectric and photodielectric
Publikováno v:
Solar Cells. 3:341-353
The kinetics of growth of chemiplated Cu 2− x S films on thermally deposited and chemically etched CdS layers were investigated. Scanning electron microscopy examination of parent films revealed the usual columnar growth and pyramidal tops as in ty
Publikováno v:
Solar Energy Materials. 5:391-401
A photovoltaic SeCdO thin film cell has been fabricated by reactive sputtering of CdO on a crystallized selenium film using a cadmium target in the presence of argon plus residual air. Critical control of pressure is needed to obtain the appropria