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Optical gain

TUNING PARAMETERS OF METAL- SEMICONDUCTOR CONTACT AND THEIR INFLUENCE IN OPTICAL GAIN

TUNING PARAMETERS OF METAL- SEMICONDUCTOR CONTACT AND THEIR INFLUENCE IN OPTICAL GAIN

... are discussed in section 2 of this paper. The mathematical calculation for obtaining ‘x’ is discussed in section 2.1 of this paper. The mathematical model for contact resistivity of M-S contacts based on two tuning ...

6

Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field

Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field

... phonon emission. These nonradiative relaxation processes may limit the output power of the QCL or even prevent lasing action at some values of the magnetic field, or, on the other hand, enhance the optical ...

6

The Role of Morphology and Electronic Chain Aggregation on the Optical Gain Properties of Semiconducting Conjugated Polymers.

The Role of Morphology and Electronic Chain Aggregation on the Optical Gain Properties of Semiconducting Conjugated Polymers.

... extensive gain measurements are performed on asymmetric planar waveguides formed with thin films spin cast from concentrated tetrahydrofuran (THF) and chlorobenzene (CB) solutions onto thermally oxidized silicon ...

159

Optical Gain and Confinement in Gaas/Algaas Structure Quantum Well Lasers

Optical Gain and Confinement in Gaas/Algaas Structure Quantum Well Lasers

... the gain spectrum peak increases and shifts to higher photon energies with increasing quasi‐Femi ...The gain on transition from second subband tends to exceed the gain available on a transition ...

10

The study of optical gain for terahertz quantum cascade laser using density matrix method

The study of optical gain for terahertz quantum cascade laser using density matrix method

... and optical gain of THz QCL has been successfully ...and gain for QCL are considered good and exhibit similar patterns compared to those from the experimental results [12], the model itself is far ...

6

Optical gain in NV- colour centres for highly-sensitive magnetometry : a theoretical study

Optical gain in NV- colour centres for highly-sensitive magnetometry : a theoretical study

... and optical gain methods for magnetic field detection is that the magnetic field sensitivity in case of optical gain detected magnetic resonance (OGDMR) is the function of probe power ...

7

Tensely strained GeSn alloys as optical gain media

Tensely strained GeSn alloys as optical gain media

... the optical gain in pure Ge was only very recently ...the optical gain including also the intra-valence band absorption, not included to date for Ge(Sn) based ...

19

Optical gain in 1 3 μm electrically driven dilute nitride VCSOAs

Optical gain in 1 3 μm electrically driven dilute nitride VCSOAs

... cavity. Optical gain is found to occur at low optical in- jection ...of optical injection, the gain is found to fall ...observed optical gain is observed at ...observed ...

5

Fabrication, characterisation and modelling of rare-earth doped alumina (Al2O3) thin films for optoelectronics

Fabrication, characterisation and modelling of rare-earth doped alumina (Al2O3) thin films for optoelectronics

... long-haul optical networks and future local area networks (LAN's) ...non-uniform gain of EDFA (gain-peaking effect) and the amplified spontaneous emission (ASE) noise added by every EDFA in the ...

176

Investigation of Light Amplification in Si-Nanocrystal-Er Doped Optical Fiber

Investigation of Light Amplification in Si-Nanocrystal-Er Doped Optical Fiber

... Abstract—In this article the details of Erbium doped Fiber Amplifier (EDFA) in presence of Silicon nanocrystal (Si-Nc) is investigated. In this analysis Si-Nc and Er ions in matrix of fiber are assumed two and five levels ...

25

Optical Design Of Dilute Nitride Quantum Wells Vertical Cavity Semiconductor Optical Amplifiers For Communication Systems

Optical Design Of Dilute Nitride Quantum Wells Vertical Cavity Semiconductor Optical Amplifiers For Communication Systems

... semiconductor optical amplifiers VCSOAs based GaInNAs/GaAs quantum wells QWs have been designed using MATLAB® ...semiconductor optical amplifier ...high optical gain between two epitaxial ...

5

Analysis of Outage Probability and Diversity Gain for MIMO Free-Space Optical Links.

Analysis of Outage Probability and Diversity Gain for MIMO Free-Space Optical Links.

... diversity gain depends only on the misalignment parameters and is independent of the number of transceivers and atmospheric fading ...diversity gain depends on the number of transmitters and ...diversity ...

7

Gain spectrum measurement using the segmented contact method with an integrated optical amplifier

Gain spectrum measurement using the segmented contact method with an integrated optical amplifier

... the gain/ absorption in conditions when the QDs are essentially empty, yet under identical bias conditions is made ...modal gain of the ground state (at 300 A cm 2 ) is 761 cm 1 ...and gain spectra ...

6

Antenna Gain Enhancement and Beamshaping using a Diffractive Optical Element (DOE) Lens

Antenna Gain Enhancement and Beamshaping using a Diffractive Optical Element (DOE) Lens

... The first test involved varying the distance of the DOE lens from the transmitting horn antenna and reading the receive power from the power spectrum analyzer. This was done at 9.9GHz, 10GHz, and 10.1GHz. Figure 5-17 ...

118

Expansion and phase correlation of a wavelength tunable gain switched optical frequency comb

Expansion and phase correlation of a wavelength tunable gain switched optical frequency comb

... resonator based OFC generation also produces a broadband comb but with the downside of strong fluctuations in amplitude and phase noise [8]. Another OFC generation technique entails the use of externally injected ...

11

Polarization dependence of non linear gain compression factor in semiconductor optical amplifier

Polarization dependence of non linear gain compression factor in semiconductor optical amplifier

... probe gain, averaged over the length of the device, is ...the gain has started to recover mainly through intraband processes, however, close to the SOA input, the gain is reduced and eventually ...

8

Study the Effect of FOV in Visible Light Communication

Study the Effect of FOV in Visible Light Communication

... Where d is the distance between the LED source and receiver, A is the physical area of photo-detector, and Ψ is the angle of incidence with respect to the axis normal to the desk plane where the LED is located,  is the ...

5

Development of long pulse Nd. YAG laser system

Development of long pulse Nd. YAG laser system

... Laser is abbreviation of light amplification of radiation by stimulate emission radiation. In 1960, Maiman was successful demonstrated the first solid state laser. He used pink ruby crystal as active medium and helical ...

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Spectroscopic Investigations on Er3+ doped Lead Borotellurite  Glasses for Amplifier Applications

Spectroscopic Investigations on Er3+ doped Lead Borotellurite Glasses for Amplifier Applications

... the optical communication bands, the C and L bands and another important parameter is the Gain band width (∆G) which is the product of effective band width (  eff ) and stimulated ...

5

Crosstalk Attack Location Algorithm Based on Gray Theory

Crosstalk Attack Location Algorithm Based on Gray Theory

... in optical network has many unique features, which due to the transparency of the optical network makes high-power optical crosstalk resulting network service disruption attacks can spread rapidly ...

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