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coherent in-phase state

Phase noise influence in coherent optical DnPSK systems with DSP based dispersion compensation

Phase noise influence in coherent optical DnPSK systems with DSP based dispersion compensation

... laser phase noise (3-dB laser linewidth) is a key to obtaining the high system capacities of 400 Gb/s and 1 Tb/s in a 3 – 5 year time ...with state of the art ADC circuits with speeds up to 80 GSamples/s ...

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Design of APSK Constellations for Coherent Optical Channels with Nonlinear Phase Noise

Design of APSK Constellations for Coherent Optical Channels with Nonlinear Phase Noise

... in state-of-the-art fiber-optical communication systems, the uncoded BEP is an important figure of ...the phase offsets of the constellation rings resulting in near-optimal ...

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Noise Reduction of a Novel Phase-Locked Coherent Optical Phase Demodulator

Noise Reduction of a Novel Phase-Locked Coherent Optical Phase Demodulator

... of coherent optical phase lock demodulator is the prime important factor for coherent detection and the detection quality depends upon the function of different system ...The phase noise of ...

6

Wigner Quasiprobability with an Application to Coherent Phase States

Wigner Quasiprobability with an Application to Coherent Phase States

... Expectation values cannot only be calculated by probability or distribution functions F q p ( , ) but also from all of their transforms which can be uniquely inverted, for example, with the Fourier transform or with the ...

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Solid-state-biased coherent detection of ultra-broadband terahertz pulses

Solid-state-biased coherent detection of ultra-broadband terahertz pulses

... in phase and amplitude) ultra-broadband THz pulses, without introducing unwanted distortions, cannot be easily accomplished with either of these two ...that coherent detection schemes can be obtained by ...

5

The Super Coherent State of Biological Water

The Super Coherent State of Biological Water

... are coherent domains ...phases, coherent and incoherent , having widely different dielectric constants (that of the coherent phase is 160, due to the high polarizability of the coherently ...

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Accurate and agile digital control of optical phase, amplitude and frequency for coherent atomic manipulation of atomic systems

Accurate and agile digital control of optical phase, amplitude and frequency for coherent atomic manipulation of atomic systems

... instances, state-manipulation lasers are required to deliver a sequence of optical pulses tuned to a variety of transitions (eg, carrier, red and blue motional sidebands), with an arbitrary combination of ...

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Nonequilibrium effective field theory for absorbing state phase transitions in driven open quantum spin systems

Nonequilibrium effective field theory for absorbing state phase transitions in driven open quantum spin systems

... quantum coherent aspects [82,83] of the dynamics persist under rescaling to arbitrarily long ...absorbing phase to the active one does not change when the quantum terms are small compared to the classical ...

31

Experimental demonstration of quantum digital signatures using phase-encoded coherent states of light

Experimental demonstration of quantum digital signatures using phase-encoded coherent states of light

... below; a more detailed analysis is given in the Supplementary Discussion, where we find the optimal attacks and calculate the various cheating probabilities. It is an important assumption we adhere to that the channels ...

8

Quantum nature of laser light

Quantum nature of laser light

... the state space of the ...source state, such as for a quantum oscillator, that did not become entangled with the field ...source state would not collapse the field ...a state given by, say, ...

40

Multi wave coherent control of a solid state single emitter

Multi wave coherent control of a solid state single emitter

... phase of the TLS emission could be inverted or en- tirely frozen. Such on-demand blockade of emission represents a fundamental step in optical control of sin- gle TLS systems. As an example of application, let us ...

5

Separate phase locking and coherent combining of two laser diodes in a Michelson cavity

Separate phase locking and coherent combining of two laser diodes in a Michelson cavity

... proper phase relationship that remains constant over time, which can only be achieved in an arrangement that forces the required phase relation between the ...active phase-locking of amplifiers ...

10

A tunable quantum optical filter using the Fano effect in a waveguide

A tunable quantum optical filter using the Fano effect in a waveguide

... Understanding of the output photon statistics requires consideration of two kinds of two-photon states, namely (separable) product states and (frequency entangled) bound states [26–28]. We note that for two-photon prod- ...

6

Optical phase synchronization in coherent optical beamformers for phased array receive antennas

Optical phase synchronization in coherent optical beamformers for phased array receive antennas

... Before the threshold is reached, the course step is used: the bigger the step, the faster the maximum power is reached. Once the threshold is reached, the fine step is used. The problem appears when the ouput power ...

84

Brennan_unc_0153M_15418.pdf

Brennan_unc_0153M_15418.pdf

... It is also important to note that, because the GPM accounts for those factors which motivate the different personalities involved in decision making, the GPM does not necessarily exclude the security and respect concerns ...

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Luminosity reduction caused by phase modulations at the HL LHC crab cavities

Luminosity reduction caused by phase modulations at the HL LHC crab cavities

... upgrades of the RF system, a new detuning scheme was proposed, tested in the LHC during 2016, and has been operationally available since 2017 [13, 15]. This scheme modulates the klystron phase but not its ...

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Online Full Text

Online Full Text

... in coherent schemes ...from coherent scheme to constant-power-envelope incoherent scheme on the part of both research and industry, due to its (i) simple architecture, (ii) cost effectiveness, (iii) high ...

6

Digital adaptive carrier phase estimation in multi level phase shift keying coherent optical communication systems

Digital adaptive carrier phase estimation in multi level phase shift keying coherent optical communication systems

... laser phase noise (PN) and fiber nonlinearities (FNLs) ...the phase of optical signals, coherent optical detection and digital signal processing (DSP) allow the powerful equalization and mitigation ...

6

Analytical estimation of phase noise influence in coherent transmission system with digital dispersion equalization

Analytical estimation of phase noise influence in coherent transmission system with digital dispersion equalization

... LO phase noise are also considered in our derivation in addition to the enhanced LO phase noise included in the total phase ...intrinsic phase fluctuation from the TX and the LO lasers (see ...

14

Mechanical phase shifters for coherent acoustic radiation in the stridulating wings of crickets: the plectrum mechanism

Mechanical phase shifters for coherent acoustic radiation in the stridulating wings of crickets: the plectrum mechanism

... in phase to avoid destructive ...mechanical phase shifter is part of the left tegmen and compensates to achieve wing oscillation ...a phase difference of ca. 156 deg., a shift rather than a complete ...

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