ここでは、各自が読んできた論文の内容のまとめを閲覧できるようにしています。ただし読む側の能力不足のため論文を誤解して読んでいることもあります。なお、論文の番号づけは先日メールで発信した、inspecのリストに準拠しています。
DC: sea kw='down converter'を表す。
QE: sea kw='quantum eraser'を表す。
NC: sea kw='nonlinear crystal'を表す。
QE001: Observation of a 'quantum eraser' : A revival of coherence in a two-photon interference experiment
NC222: Spectral Information and distinguishability in type II down-conversion with a broadband pump
QE017: Can Two-Photon Interference be considered the Interference of Two Photon?
DC004: Phase property of fields generated in a multiphoton down-converter(確率分布のグラフは原論文参照)
NC222-cite1: Measurement of Subpicosecond Time Intervals between Two Photons by Interference (Phys.Rev. Lett. 59, 2044(1987))
Zeno Effect in Parametric Down-Conversion (A.Luis and J.Perina Phys. Rev. Lett. 76, 4340 (1996))
なお、以下にInspecによる論文の検索結果を掲載致します。適宜参考にして下さい。
--------------------------------ダウンコンバーター
#1
TITLE Coherence in two-photon down-conversion induced by a laser
ABSTRACT The authors discuss the situation in which idler beams from two
parametric down-converter crystals are allowed to interfere.
They show that, when two mutually coherent signal beams derived
from a common laser are injected into the down-converters, the
two idler beams can become mutually coherent also. Moreover,
the resulting interference pattern can, in principle, have 100%
visibility when the number of injected photons per unit
down-converter bandwidth is large. This is just the condition
for stimulated down-conversion to dominate over spontaneous
down-conversion
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.41, no.3
PAGE 1597-601
PUBL DATE 1 Feb. 1990
#2
TITLE Two-photon (squeezed) light: classical and quantum effects
ABSTRACT Several quantum-optical experiments, using a parametric
down-converter as a light source, are analysed by means of a
model which permits the transition to the classical limit, so
that the classical and quantum features could be discriminated.
It is shown that all considered 'two-photon' interference
phenomena could be observed with the classical squeezed light,
obtained by amplification of chaotic light in a down-converter.
The quantum character belongs not to the interference phenomena
itself, but to the initial field, which reveals itself only in
the low level of the background noise, i.e. in the visibility
of the effect. The absolute magnitude is larger in the
classical limit
TAKEN FROM Phys. Lett. A (Netherlands)
VOL vol.146, no.3
PAGE 93-101
PUBL DATE 14 May 1990
#3
TITLE Bell's inequality for systems with quadrature phase coherence
ABSTRACT The authors show that a violation of Bell's inequalities by
quadrature phase measurements is not due to the interference of
the two photons in a photon pair state. Rather the violation
predicted by Grangier et al. Phys. Rev. A., vol.38, p.3132
(1988), for a parametric down-converter is due to the
interference of the photon pair state with the vacuum. They
propose new sources which violate the quadrature phase Bell's
inequalities, including one which employs squeezed light and
another which demonstrates the non-local properties of a single
photon state
TAKEN FROM Opt. Commun. (Netherlands)
VOL vol.77, no.4
PAGE 285-91
PUBL DATE 1 July 1990
#4
TITLE Phase properties of fields generated in a multiphoton
down-converter
ABSTRACT The phase properties of fields generated from the vacuum in the
m-photon down-conversion process with quantum pumping are
studied from the point of view of the Hermitian phase
formalism. The joint phase distribution P( theta /sub a/, theta
/sub b/) as well as the marginal phase distribution P( theta
/sub a/) for the signal mode are derived and illustrated
graphically for m=2, 3, and 4. The relationship between these
phase distributions and the 'classical' distributions obtained
by integrating the Q function is established. It is shown that
the classical phase distribution is a result of an averaging
procedure that leads to a broadening of the phase distribution
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.45, no.7, pt.B
PAGE 5031-8
PUBL DATE 1 April 1992
#5
TITLE Filtering of two-photon quantum correlations by optical
cavities: cancellation of dispersive effects
ABSTRACT The spectral filtering of a field with strong quantum
correlations is studied. The changes in the correlation
characteristics of a field, produced by a down converter,
passing through a strongly dispersive element like a
Fabry-Perot cavity, are calculated. In the special case when
the central frequency of the idler and signal photons coincides
with the resonance frequency of the cavity, there is a
cancellation of the dispersive effects of the cavity. Detailed
numerical results for the two-photon joint counting rate are
presented. The effects of the absorption in the medium on the
two-photon correlations are also discussed
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.49, no.5, pt.B
PAGE 3954-7
PUBL DATE May 1994
#6
TITLE A gridded D-/sup 3/He IEC power plant
ABSTRACT Inertial electrostatic confinement (IEC) fusion was recently
described by an Electric Power Research Institute (EPRI) review
panel as potentially leading to a most attractive fusion
reactor from a utility point of view, if the physics issues can
be resolved. Consequently, a design for a small 25-MW electric
D-/sup 3/He fueled power plant has been explored. Key power
plant components consist of the IEC, direct energy conversion
and a step-down converter for electrical power transmission
TAKEN FROM Seventh International Conference on Emerging Nuclear Energy
Systems, ICENES '93
PAGE 66-70
#7
TITLE Optoelectronic microwave-range frequency mixing in
semiconductor lasers
ABSTRACT Optoelectronic mixing of very high-frequency amplitude-modulat-
ed signals using a semiconductor laser simultaneously as a
local oscillator and a mixer is proposed, Three possible
constructions of a monolithically integrated up-or
down-converter are considered theoretically: a four-terminal
semiconductor laser with dual pumping current/modal gain
control, and both a passively mode-locked and a passively
Q-switched semiconductor laser monolithically integrated with
an electroabsorption pumping current modulator. Experimental
verification of the feasibility of the laser-mixer concept is
presented
TAKEN FROM IEEE J. Sel. Top. Quantum Electron. (USA)
VOL vol.1, no.2
PAGE 451-60
PUBL DATE June 1995
#8
TITLE Position monitoring of low intensity beams using a digital
frequency down converter
ABSTRACT In monitoring the position of very low intensity beams a signal
processing scheme similar to that used in an amplitude-compari-
son monopulse radar may be employed. In this scheme, an I-Q
demodulator for both the sum and difference channels and a
phase detector are needed to detect the beam position. It is
complex and costly to implement the signal processing with
discrete analog components. However, a newly available HSP50016
Digital Down Converter (DDC) chip has provided an attractive
alternative. This DSP chip processes the digitized output of
the IF section by first converting the signal to baseband using
an in-phase/quadrature mixer and then filtering the result with
a combination of a programmable high decimating filter and a
fixed FIR shaping filter. The accuracy of the quadrature
demodulation, nearly ideal filter shape factor and filter
reject-band attenuation make the DDC a favored choice over a
discrete analog design in an application dealing with very weak
beam signals
TAKEN FROM AIP Conf. Proc. (USA)
VOL no.333
PAGE 349-55
PUBL DATE 1995
#9
TITLE Semiclassical vs. quantum behavior in fourth-order
ABSTRACT We explore semiclassical and quantum descriptions
fourth-order interference that are built upon cla
quantum Gaussian-state models for the signal and
from a parametric down converter. Our approach un
analysis of fourth-order interference with those
and photon twins. It also demonstrates that a pur
fourth-order interference effect can be claimed a
visibilities substantially below the commonly acc
threshold of 50%. We start with a pair of models
and one classical - for the signal and idler fiel
parametric down conversion
TAKEN FROM 1994 IEEE Nonlinear Optics: Materials, Fundamenta
Applications (Cat. No.94CH3370-4)
PAGE 350-2
PUBL DATE 1994
#10
TITLE Fluorescence of metachrome in the far and vacuum
spectral region
ABSTRACT Some measurements have been performed in order to
characterize metachrome as down-converter fluores
the far and vacuum ultraviolet, from 46 up to 254
particular, a couple of samples having different
provided by Photometrics Inc. have been tested an
performances have been compared with the ones obt
tetraphenyl butadiene (TPB), another scintillator
in this spectral region. The emission angular dis
fluorescent spectrum and the absolute conversion
have been measured for all the phosphors. The res
TPB offers higher efficiency than metachrome, but
latter is well efficient in all the investigated
region. This is interesting in the case of using
as down-converter with silicon detectors, so perm
example to have CCD sensitive also in the extreme
region
TAKEN FROM Proc. SPIE - Int. Soc. Opt. Eng. (USA)
VOL vol.2519
PAGE 31-8
PUBL DATE 1995
#11
TITLE Shot-noise-limited radio-frequency lock-in photod
a continuous wave mode-locked laser
ABSTRACT We have developed quite a simple and original loc
photodetection system that works, at a fixed radi
The system includes a photodetector, a frequency
and a standard low-frequency lock-in amplifier. T
implementation of the radio-frequency attachment
gain and high selectivity, which have enabled us
shot-noise-limited sensitivity to relative optica
delta P/P approximately=4*10/sup -8/Hz/sup - 1/2
detection frequency of 6.2 MHz in measurements wi
mode-locked Nd:yttrium aluminum garnet laser. We
the precise position-sensitive photodetection for
pointing noise measurements and picosecond photoa
spectroscopy of solids
TAKEN FROM Rev. Sci. Instrum. (USA)
VOL vol.68, no.11
PAGE 3989-91
PUBL DATE Nov. 1997
#12
TITLE Mode-locked diode lasers for microwave optoelectr
applications
ABSTRACT The paper reviews the recent progress in technolo
applications of diode lasers mode locked at micro
frequencies. Section 2 reviews the recent experim
microwave-frequency mode locking in laser diodes
traditional and advanced constructions. Section 3
main theoretical approaches used to describe the
behavior of these lasers. The possible theoretica
on the maximum achievable repetition frequency an
duration are discussed. Section 4 reviews the mos
microwave optoelectronic applications, such as st
signal generation, and optical time-domain multip
applications such as multi-GHz clock generation a
In Section 5, more detailed attention is given to
application, namely, optical-microwave conversion
We discuss the physical principle of conversion o
microwave-modulated light into microwave electric
vice versa as a specific case of parametric mixin
analysis of the performance of a mode locked lase
integrated optoelectronic microwave up/down conve
discuss some possible system applications for suc
TAKEN FROM Int. J. High Speed Electron. Syst. (Singapore)
VOL vol.8, no.3
PAGE 495-523
PUBL DATE Sept. 1997
---------------量子抹消器-----------------
#1
TITLE Observation of a 'quantum eraser': A revival of coherence in a
two-photon interference experiment
ABSTRACT The authors have observed an effect known as a quantum eraser,
using a setup similar to one previously employed to demonstrate
a violation of Bell's inequalities. In this effect, an
interfering system is first rendered incoherent by making the
alternate Feynman paths which contribute to the overall process
distinguishable; with their apparatus this is achieved by
placing a half wave plate in one arm of a Hong-Ou-Mandel
interferometer so as to rotate the polarization of the light in
that arm by 90 degrees . This adds information to the system,
in that polarization is a new parameter which serves to label
the path of a given photon, even after a recombining beam
splitter. The quantum 'eraser' removes this information from
the state vector, after the output port of the interferometer,
but in time to cause interference effects to reappear upon
coincidence detection. For this purpose, they use two
polarizers in front of the detectors. They present experimental
results showing how the degree of erasure (which determines the
visibility of the interference) depends on the relative
orientation of the polarizers, along with theoretical curves.
In addition, they show how this procedure may do more than
merely erase, in that the act of 'pasting together' two
previously distinguishable paths can introduce a new relative
phase between them
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.45, no.11
PAGE 7729-39
PUBL DATE 1 June 1992
#2
TITLE Complementarity
ABSTRACT The principle of complementarity is formulated. Then mechanisms
that enforce it are discussed: Heisenberg's position momentum
uncertainty relation is not always at work; entanglement is
just as effective. The quantum eraser problem is discussed and
its solution presented
TAKEN FROM Santa Fe Workshop. Foundations of Quantum Mechanics
PAGE 181-92
PUBL DATE 1992
#3
TITLE Experimental observation of a quantum eraser: how much is
nature willing to forget?
ABSTRACT Using a setup similar to one previously employed to demonstrate
a violation of Bell's inequalities the authors have observed
experimentally an effect known as a quantum eraser. In this
effect, an interfering system is first rendered incoherent by
making the alternate Feynman paths which contribute to the
overall process distinguishable; with their apparatus this is
achieved by placing a half waveplate in one arm of a
Hong-Ou-Mandel interferometer so as to rotate the polarization
of the light in that arm by 90 degrees . This adds information
to the system, in that polarization is a new parameter which
serves to label the direction from which a given photon comes,
even after a recombining beam splitter. The quantum 'eraser'
removes this information from the state vector, after the
output port of the interferometer, but in time causes
interference effects to reappear upon coincidence detection.
For this purpose, they use two polarizers in front of their
detectors. They present preliminary experimental results
showing how the degree of erasure (which determines the
visibility of the interference) depends on the relative
orientation of the polarizers, along with theoretical curves
TAKEN FROM Santa Fe Workshop. Foundations of Quantum Mechanics
PAGE 193-9
PUBL DATE 1992
#4
TITLE Atomic-position resolution by quadrature-field measurement
ABSTRACT An atom passing through a standing light field imparts a
position-dependent phase shift to the field. By making a
phase-sensitive measurement of the field, it is possible to
resolve the atom's position to much less than the wavelength of
the light. The field measurement results in the creation of
virtual slits, and diffraction and interference phenomena may
be observed. The phase measurements give welcher Weg
information and enable 'quantum-eraser' experiments to be
realized
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.47, no.1
PAGE 405-18
#5
TITLE Disappearance and reappearance of macroscopic quantum
interference
ABSTRACT A simple experiment with ordinary interference of macroscopic
laser beams is proposed which demonstrates that interference
can be made to disappear and reappear, as in a 'quantum
eraser', without using an entangled state
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.48, no.3
PAGE 2449-50
PUBL DATE Sept. 1993
#6
TITLE A simple quantum eraser
ABSTRACT An optical two-slit experiment with a vertical polaroid placed
before one slit and a horizontal polaroid before the other one
will not display interference because the path through each
slit is labeled by orthogonal states of polarization. The label
may be removed and the interference restored by placing a
polaroid orientated at 45 degrees with respect to the vertical
somewhere between the two-slit screen and the detection screen.
This result has important implications for the conceptual
structure of quantum mechanics
TAKEN FROM Phys. Lett. A (Netherlands)
VOL vol.183, no.4
PAGE 280-2
PUBL DATE 13 Dec. 1993
#7
TITLE Three proposed "quantum erasers"
ABSTRACT Interaction with a measuring apparatus can cause otherwise
interfering paths of a particle to become distinguishable.
Under some conditions, however, it is possible to "erase" the
distinguishability, thereby restoring interference. The concept
of a quantum eraser is useful for understanding the role of
entanglement interference. Several attempts to investigate the
phenomenon have been made using the correlated photons from
spontaneous parametric down-conversion. However, none of the
experiments previously performed in connection with quantum
erasure has provided an optimal demonstration. We propose three
improved down-conversion schemes, each of which satisfies all
the criteria for a true quantum eraser. As the proposed schemes
are all modifications or combinations of previously completed
experiments, they are deemed to be feasible
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.49, no.1
PAGE 61-8
PUBL DATE Jan. 1994
#8
TITLE Quantum eraser and two-slit interference
ABSTRACT A recent claim by Holladay (1993) that quantum eraser
experiments call into question von Neumann's projection
postulate is disputed
TAKEN FROM Phys. Lett. A (Netherlands)
VOL vol.190, no.1
PAGE 126-7
PUBL DATE 11 July 1994
#9
TITLE Reply to "Quantum eraser and two-slit interference"
ABSTRACT Following the comment of Gonella (Phys. Lett. A 190 (1994) 126)
some points discussed in the present authors previous paper
(Phys. Lett. A 183 (1994) 280) are elaborated on
TAKEN FROM Phys. Lett. A (Netherlands)
VOL vol.190, no.1
PAGE 128-9
PUBL DATE 11 July 1994
#10
TITLE A note on quantum mechanics, diffusional interference and
informions
ABSTRACT Following some ideas initially advanced by Eddington, we
consider first the mathematical possibility of 'self'
interference in diffusional processes. Subsequently, we
consider the results of a computer simulation of the two-slit
experiment using iterated fractal maps and finally some real
experiments suggested by Walter and Scully (1991) using the
quantum eraser. In the light of this discussion it is concluded
that the hypothetical particles, cantorions, which are supposed
somehow to carry information in a cantorian micro space-time
may be ascribed real existence. These so called informions
could then be drawn upon to explain the new experimental
insights besides or as an alternative to Higgs bosons
TAKEN FROM Chaos Solitons Fractals (UK)
VOL vol.5, no.5
PAGE 881-4
PUBL DATE May 1995
#11
TITLE Complementarity and the quantum eraser
ABSTRACT We present various experiments demonstrating the mutual
exclusivity of observing interference and which-path
information, as demanded by Bohr's complementarity principle.
Using photon pairs created in parametric down-conversion, no
which-path measurements need to be performed on the interfering
photon itself. Instead the other photon can be used to
introduce distinguishability, which consequently destroys
interference. However, a suitable measurement erases this
distinguishability and interference can be recovered
TAKEN FROM Phys. Rev. Lett. (USA)
VOL vol.75, no.17
PAGE 3034-7
PUBL DATE 23 Oct. 1995
#12
TITLE The effect of a "quantum eraser" manifested in two-photon
interference
ABSTRACT The principle of complementarity was investigated using the
fourth-order interference of two photons generated in a
parametric down-conversion process. The two photons were
superposed within a Hong-Ou-Mandel interferometer and detected
with a coincidence counting system. The magnitude of the
interference effect showed a cosine-squared dependence on the
difference between the polarization angles of the two photons.
We confirmed the effect of a "quantum eraser" by observing the
reappearance of the interference pattern when the angles of the
polarizers placed in front of the detectors were adjusted
properly
TAKEN FROM Sae Mulli (South Korea)
VOL vol.35, no.3
PAGE 322-8
PUBL DATE June 1995
#13
TITLE Delayed-choice quantum eraser: theory and experiment
ABSTRACT Summary form only given. In the previous demonstration of the
quantum-erasure phenomenon the which-path information was
carried by the same particles that interfered and a
delayed-choice implementation was difficult. Here we report new
results obtained by using a system that permits such an
implementation. The signal and idler modes associated with a
right-going UV pump photon are superposed with the signal and
idler modes associated with a left-going pump photon
TAKEN FROM QELS `95. Summaries of Papers Presented at the Quantum
Electronics and Laser Science Conference. Vol.16. 1995
Technical Digest Series Conference Edition
PUBL DATE 1995
#14
TITLE Causality, memory erasing, and delayed-choice experiments
ABSTRACT A recent proposal of a "quantum eraser" by Ingraham [Phys. Rev.
A 50, 4502 (1994); 51, 4295(E) (1995)] is analyzed. It is shown
that Ingraham`s predictions contradict relativistic causality
and, therefore, cannot be right. A subtle quantum effect that
was overlooked by Ingraham is explained
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.52, no.6
PAGE 4984-5
PUBL DATE Dec. 1995
#15
TITLE Entanglement of atomic beams: tests of complementarity and
other applications
ABSTRACT It is shown that distinct atomic beams can be entangled when
they interact with quantum superpositions of macroscopically
separated micromaser fields. Experimentally feasible tests of
complementarity are proposed, detecting Ramsey interference (or
not) in one and "Welcher Weg" information (or not) in the other
entangled beam. Available information and fringe contrast can
be manipulated using classical and quantum fields. The "quantum
eraser" is realized in the former case, while it is only a
special feature in the latter one. Other applications of
entangled atoms are also suggested
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.53, no.1
PAGE 49-52
PUBL DATE Jan. 1996
#16
TITLE A note on the `quantum eraser'
ABSTRACT This note aims to make more familiar to philosophers yet
another bizarre quantum mechanical effect with disturbing
metaphysical implications. It is possible to modify the classic
double-slit experiment so that one can register the path of a
particle to determine which slit it passes through, and then
erase this registered information so that the interference
effects which would normally disappear upon registration of the
"which path" information are reconstituted. Thus the
"trajectory" of particles can be effected by temporally and
spatially distant operations on the slit detectors.
Nonetheless, no untoward effects (such as superluminal
signalling) can result from the operation of the eraser
TAKEN FROM Philos. Sci. (USA)
VOL vol.63, no.1
PAGE 81-90
PUBL DATE March 1996
#17
TITLE Can two-photon interference be considered the interference of
two photons?
ABSTRACT We report on a "postponed compensation" experiment in which the
observed two-photon entangled state interference cannot be
pictured in terms of the overlap of the two individual photon
wave packets of a parametric down-conversion pair on a beam
splitter. In the sense of a quantum eraser, the distinguishabi-
lity of the different, two-photon Feynman amplitudes leading to
a coincidence detection is removed by delaying the compensation
until after the output of an unbalanced two-photon
TAKEN FROM Phys. Rev. Lett. (USA)
VOL vol.77, no.10
PAGE 1917-20
PUBL DATE 2 Sept. 1996
#18
TITLE Nonlocal correlation in the realization of a quantum eraser
ABSTRACT It is pointed out that a recent two-photon interference
experiment [Z.Y. Ou et al., Phys. Rev. A 41 (1990) 566] can be
modified to realize an optimal quantum eraser. A detailed
analysis shows that the nonlocal correlation is the key for a
delayed choice experiment in the demonstration of a quantum
eraser
TAKEN FROM Phys. Lett. A (Netherlands)
VOL vol.226, no.6
PAGE 323-6
PUBL DATE 3 March 1997
#19
TITLE First-quantization quantum-mechanical insight into the
Hong-Ou-Mandel two-photon interferometer with polarizers and
its role as a quantum eraser
ABSTRACT A straightforward derivation of a first-quantization two-photon
state vector is presented for the Hong-Ou Mandel interferometer
with a possible half-wave plate and possible linear analyzers
in the ports. It is shown that one is dealing with a quantum
eraser in a somewhat broader physical sense: It is not strictly
the interference from version I of the experiment, the
interference that has been suppressed by entanglement in
version II, that is revived in version III; but it is an
analogous interference. Besides, the coincidence probability
for arbitrary-angle analyzers in the general case of arbitrary
polarization in the lower arm of the interferometer is derived.
The interference phenomenon of a complete decoupling of the
partial loss of interference and the coincidence events in the
ports is demonstrated. It is pointed out that the phenomenon of
distant polarization (a special case of distant preparation)
carries all the nonlocality between the two photons in the two
ports
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.56, no.1
PAGE 931-5
PUBL DATE July 1997
#20
TITLE Dispersion cancellation and quantum eraser experiments analyzed
in the Wigner function formalism
ABSTRACT The authors extend the Wigner function formalism for parametric
down conversion experiments presented in a previous paper
(Phys. Rev. A 55 3879 (1997)) to experiments involving
propagation through a dispersive medium (Steinberg et al.,
Phys. Rev. A 45, 6659 (1992)), and polarization (Kwiat et al.,
Phys. Rev. A 45, 7729 (1992))
TAKEN FROM Phys. Rev. A, At. Mol. Opt. Phys. (USA)
VOL vol.56, no.3
PAGE 2477-80
PUBL DATE Sept. 1997
#21
TITLE Loss and revival of atomic interference
ABSTRACT The which-path micromaser detector and the associated quantum
eraser are proposed based on the interactions of atoms with a
cavity placed in front of one of the double slits in an atomic
interferometer
TAKEN FROM Chin. Phys. Lett. (China)
VOL vol.14, no.11
PAGE 805-7
PUBL DATE 1997
#22
TITLE A proposal for testing complementarity with cavity QED
techniques
ABSTRACT We propose a method to test Bohr complementarity with cavity
QED techniques. It involves an atomic beam passing through two
Ramsey zones and a nonresonant cavity initially filled with a
strong coherent field. In the absence of the cavity field the
probability of finding the atom in a definite state exhibits
interference. Due to the dispersive atom-field interaction the
paths by which the atom reach the definite state are remarked
and thus the interference is destroyed. The associated quantum
eraser is also presented
TAKEN FROM Z. Phys. B, Condens. Matter (Germany)
VOL vol.104, no.2
PAGE 315-16
PUBL DATE Sept. 1997
#23
TITLE Interference in dielectrics and pseudo-measurements
ABSTRACT Inserting a lossy dielectric into one arm of an interference
experiment acts in many ways like a measurement. If two
entangled photons are passed through the interferometer, a
certain amount of information is gained about which path they
took, and the interference pattern in a coincidence count
measurement is suppressed. However, by inserting a second
dielectric into the other arm of the interferometer, one can
restore the interference pattern. Two of these pseudo-measurem-
ents can thus cancel each other out. This is somewhat analogous
to the proposed quantum eraser experiments
TAKEN FROM J. Mod. Opt. (UK)
VOL vol.45, no.4
PAGE 777-83
PUBL DATE April 1998
#24
TITLE Realization of the which-path detector and quantum eraser
through the Raman atom-field interaction
ABSTRACT We propose a method to realize the which-path detector in a
double-slit atomic interferometer. We place a cavity, initially
in a coherent state with a strong amplitude, in front of one
slit. The which-path information is obtained by a degenerate
Raman atom-cavity-field interaction. The associated quantum
eraser can also be realized
TAKEN FROM Physica A (Netherlands)
VOL vol.251, no.3-4
PAGE 507-11
PUBL DATE 15 March 1998
#25
TITLE An operational analysis of quantum eraser and delayed choice
ABSTRACT In the present paper we expand upon ideas published some time
ago in connection with which path detectors based on the
micromaser. Frequently questions arise concerning the time
ordering of detection and eraser events. We here show, by a
detailed and careful analysis of a quantum eraser experimental
setup, that the experimenter can choose to ascertain
particle-like which path information or wavelike interference
information even after the atom has hit the screen
TAKEN FROM Found. Phys. (USA)
VOL vol.28, no.3
PAGE 399-413
PUBL DATE March 1998
