Sökning: "Samuel Olsson"

Hittade 3 avhandlingar innehållade orden Samuel Olsson.

  1. 1. Optical Transmission Systems Based on Phase-Sensitive Amplifiers

    Författare :Samuel L I Olsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical injection locking; fiber nonlinearities; optical fiber communication; fiber nonlinearity mitigation; four-wave mixing; fiber optic parametric amplification; low-noise amplification; phase-sensitive amplification; fibre optics;

    Sammanfattning : The capacity and reach of today's long-haul fiber optical communication systems is limited by amplifier noise and fiber nonlinearities. Conventional, phase-insensitiveamplifiers (PIAs), have a quantum limited noise figure (NF) of 3 dB at high gain, meaning that with a shot-noise limited input signal the signal-to-noise ratio (SNR)is degraded by at least 3 dB. LÄS MER

  3. 2. Towards Practical Implementation of Phase-Sensitive Amplifier Based Transmission Systems

    Författare :Samuel L I Olsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; phase-sensitive amplification; four-wave mixing; nonlinear optical signal processing; optical injection locking; fiber nonlinearities; fiber optic parametric amplification;

    Sammanfattning : All commercially available optical amplifiers are so-called phase-insensitive amplifiers (PIAs) which degrade the signal-to-noise ratio (SNR) through the amplification process. This kind of amplifier has a quantum limited noise figure (NF) of 3 dB. LÄS MER

  4. 3. Vice in the Service of Virtue: John Cleland's Memoirs of a Woman of Pleasure

    Författare :Lena Olsson; Engelska; []
    Nyckelord :HUMANIORA; HUMANITIES; Bildungsroman; Memoirs of a Woman of Pleasure; Fanny Hill; eighteenth-century erotica; pornography and literature; John Cleland; Eighteenth-century fiction; the English novel in the eighteenth century; John Locke and literature; prostitution in literature; English language and literature; Engelska språk och litteratur ;

    Sammanfattning : Originally published in two volumes in 1748-9, John Cleland’s Memoirs of a Woman of Pleasure (or Fanny Hill) has long been an underground classic. Because of this underground status, and the prejudicial treatment of literary pornography, Memoirs has never been thoroughly investigated. LÄS MER