Widely tunable source generating subpicosecond pulses at 1550 nm

1995 ◽  
Author(s):  
Susanne M. LePage ◽  
Katie L. Hall ◽  
Gadi Lenz ◽  
Erich P. Ippen
Keyword(s):  
Subpicosecond Pulses ◽  
Tunable Source

scholarly journals Two - Color Mid-Infrared Spectroscopy of Isoelectronic Centers in Silicon

2003 ◽  
Vol 770 ◽  
Author(s):  
N.Q. Vinh ◽  
T. Gregorkiewicz
Keyword(s):  
Excited States ◽  
Free Electron ◽  
Free Electron Laser ◽  
Materials Science ◽  
Time Resolved ◽  
Mid Infrared ◽  
Semiconductor Physics ◽  
Open Questions ◽  
Time Resolved Photoluminescence ◽  
Tunable Source

AbstractOne of the open questions in semiconductor physics is the origin of the small splittings of the excited states of bound excitons in silicon. A free electron laser as a tunable source of the mid-infrared radiation (MIR) can be used to investigate such splittings of the excited states of optical centers created by transition metal dopants in silicon. In the current study, the photoluminescence from silver and copper doped silicon is investigated by two color spectroscopy in the visible and the MIR. It is shown the PL due recombination of exciton bound to Ag and Cu is quenched upon application of the MIR beam. The time-resolved photoluminescence measurements and the quenching effects of these bands are presented. By scanning the wavelength of the free-electron laser ionization spectra of relevant traps involved in photoluminescence are obtained. The formation and dissociation of the bound excitons, and the small splittings of the effective-mass excited states are discussed. The applied experimental method allows correlation of DLTS data on trapping centers to specific channels of radiative recombination. It can be applied for spectroscopic analysis in materials science of semicondutors.

Coherent photon seeding: a technique to generate clean subpicosecond pulses

1992 ◽  
Author(s):  
Walter J. Hodel ◽  
Heinz P. Weber ◽  
P. Beaud ◽  
J. Q. Bi ◽  
D. S. Peter
Keyword(s):  
Subpicosecond Pulses

Tunable Source of Quantum-Correlated Photons with Integrated Pump Rejection in a Silicon CMOS Platform

2021 ◽  
Author(s):  
Josep M. Fargas Cabanillas ◽  
Danielius Kramnik ◽  
Anirudh Ramesh ◽  
Cale M. Gentry ◽  
Vladimir Stojanović ◽  
...  
Keyword(s):  
Silicon Cmos ◽  
Tunable Source

Narrow-band tunable source of submillimeter waves

2000 ◽  
Author(s):  
Pavel P. Geiko ◽  
Yuri M. Andreev ◽  
Aleksander I. Gusamov
Keyword(s):  
Narrow Band ◽  
Submillimeter Waves ◽  
Tunable Source
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