9.5 dB relative intensity noise reduction in quantum cascade laser by detuned loading | Zendy

Juretzka C. | Zendy; Breuer S. | Zendy; Drzewietzki L. | Zendy; Schad F. | Zendy; Carras M. | Zendy; Elsäßer W. | Zendy

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9.5 dB relative intensity noise reduction in quantum cascade laser by detuned loading

Author(s) -

Juretzka C.,

Breuer S.,

Drzewietzki L.,

Schad F.,

Carras M.,

Elsäßer W.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2013.2366

Subject(s) - cascade , relative intensity noise , reduction (mathematics) , intensity (physics) , noise (video) , quantum cascade laser , laser , physics , optics , noise reduction , quantum , optoelectronics , materials science , atomic physics , acoustics , semiconductor laser theory , computer science , engineering , quantum mechanics , mathematics , geometry , artificial intelligence , image (mathematics) , chemical engineering

The possibility of reducing the relative intensity noise (RIN) of a quantum cascade laser is demonstrated. By phase‐dependent optical feedback from a short, piezo‐controlled external cavity configuration, it is possible to achieve up to 9.5 dB of RIN reduction. These findings are consistently explained by a detuned loading approach based on modifying the alpha parameter.

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