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Record W2048698436 · doi:10.1117/12.628117

Multi-channel dynamically gain controlled optical amplifier

2005· article· en· W2048698436 on OpenAlexaff
Blerim Qela, Jianping Yao

Bibliographic record

VenueProceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2005
Typearticle
Languageen
FieldEngineering
TopicSemiconductor Lasers and Optical Devices
Canadian institutionsUniversity of Ottawa
Fundersnot available
KeywordsOptical amplifierAmplified spontaneous emissionAmplifierWavelength-division multiplexingWavelengthAutomatic gain controlChannel (broadcasting)Optical filterOpticsComputer scienceOptoelectronicsMaterials sciencePhysicsBandwidth (computing)TelecommunicationsLaser

Abstract

fetched live from OpenAlex

Using the gain profile of an erbium-doped fiber amplifier (EDFA), it is possible to create groups of wavelength within the C and/or L bands and provide necessary attenuation of the bands to equalize the entire wavelength spectrum. The equalized spectrum of wavelengths using this technique uses one variable optical attenuator (VOA) per band while dynamic channel equalizer (DCE) uses one VOA per wavelength channel. In this paper, modeling of the optimized C+L band EDFA is analyzed. Its integration with the control electronics and 8-channel DCE is proposed for use as a multi-channel dynamically gain controlled optical amplifier with flattened output gain spectra - "Smart Amplifier Solution". In addition, its feasibility for use as a broadband amplified spontaneous emission (ASE) source is discussed. The Optimized Gain Flattened C-band EDFA without gain flattening filters (GFF) and C-band Booster EDFA are presented. The optimization of amplification needs by system design approach is discussed.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.002
Threshold uncertainty score0.006

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.226
Teacher spread0.214 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2005
Admission routes1
Has abstractyes

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Same venueProceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIESame topicSemiconductor Lasers and Optical DevicesFrench-language works237,207