Squeezed-Light Optical Magnetometry

被引:184
|
作者
Wolfgramm, Florian [1 ]
Cere, Alessandro [1 ]
Beduini, Federica A. [1 ]
Predojevic, Ana [1 ]
Koschorreck, Marco [1 ]
Mitchell, Morgan W. [1 ]
机构
[1] Inst Ciencies Fotoniques, Castelldefels 08860, Barcelona, Spain
关键词
ATOMIC MAGNETOMETER; QUANTUM-NOISE; ORIENTATION; ALIGNMENT;
D O I
10.1103/PhysRevLett.105.053601
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We demonstrate a light-shot-noise-limited magnetometer based on the Faraday effect in a hot unpolarized ensemble of rubidium atoms. By using off-resonant, polarization-squeezed probe light, we improve the sensitivity of the magnetometer by 3.2 dB. The technique could improve the sensitivity of the most advanced magnetometers and quantum nondemolition measurements of atomic spin ensembles.
引用
收藏
页数:4
相关论文
共 50 条
  • [41] PULSE POSITION MODULATION AND EXTENDED PULSE POSITION MODULATION WITH SQUEEZED-LIGHT
    VOURDAS, A
    DAROCHA, JRF
    JOURNAL OF MODERN OPTICS, 1994, 41 (12) : 2291 - 2299
  • [42] SQUEEZED-LIGHT GENERATION IN A MEDIUM GOVERNED BY THE NONLINEAR SCHRODINGER-EQUATION
    POTASEK, MJ
    YURKE, B
    PHYSICAL REVIEW A, 1987, 35 (09): : 3974 - 3977
  • [43] NOISE-FREE AMPLIFICATION OF SQUEEZED-LIGHT VIA ATOMIC COHERENCE
    HUANG, H
    ZHU, SY
    ZUBAIRY, MS
    PHYSICAL REVIEW A, 1995, 52 (05): : 4155 - 4158
  • [44] TRANSFORMATION OF THE SQUEEZED-LIGHT FREQUENCY DURING PROPAGATION IN A MEDIUM WITH QUADRATIC NONLINEARITY
    GORBACHEV, VN
    TRUBILKO, AI
    ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI, 1993, 103 (06): : 1931 - 1946
  • [45] TEST OF BELL INEQUALITY WITH SQUEEZED-LIGHT FROM A SAGNAC FIBER RING
    LYUBOMIRSKY, I
    SHIRASAKI, M
    KARTNER, FX
    HAUS, HA
    QUANTUM OPTICS, 1993, 5 (04): : 241 - 250
  • [46] ROOM-TEMPERATURE GENERATION OF AMPLITUDE SQUEEZED-LIGHT FROM A SEMICONDUCTOR-LASER WITH WEAK OPTICAL FEEDBACK
    KITCHING, J
    YARIV, A
    SHEVY, Y
    PHYSICAL REVIEW LETTERS, 1995, 74 (17) : 3372 - 3375
  • [47] PHOTON ANTIBUNCHING IN PULSED SQUEEZED-LIGHT GENERATED VIA PARAMETRIC AMPLIFICATION
    KOASHI, M
    KONO, K
    HIRANO, T
    MATSUOKA, M
    PHYSICAL REVIEW LETTERS, 1993, 71 (08) : 1164 - 1167
  • [48] SPATIOTEMPORAL SQUEEZED-LIGHT MEASUREMENT - 2ND-ORDER CORRELATION TECHNIQUE
    BERZANSKIS, A
    GADONAS, R
    JONUSAUSKAS, G
    PISKARSKAS, A
    STABINIS, A
    LASER PHYSICS, 1994, 4 (04) : 639 - 643
  • [49] Characterization and evasion of backscattered light in the squeezed-light enhanced gravitational wave interferometer GEO 600
    Bergamin F.
    Lough J.
    Schreiber E.
    Grote H.
    Mehmet M.
    Vahlbruch H.
    Affeldt C.
    Andric T.
    Bisht A.
    Brinkmann M.
    Kringel V.
    Lück H.
    Mukund N.
    Nadji S.
    Sorazu B.
    Strain K.
    Weinert M.
    Danzmann K.
    Optics Express, 2023, 31 (23) : 38443 - 38456
  • [50] BRIGHT SQUEEZED-LIGHT BY 2ND-HARMONIC GENERATION IN A MONOLITHIC RESONATOR
    KURZ, P
    PASCHOTTA, R
    FIEDLER, K
    MLYNEK, J
    EUROPHYSICS LETTERS, 1993, 24 (06): : 449 - 454