Martina Knoop

Some aspects of simulation and realization of an optical reference cavity (2009)

Guyomarc'H, Didier, Hagel, Gaëtan, Zumsteg, Cédric, Knoop, Martina

The interrogation of an ultra-narrow clock transition of a single trapped ion for optical frequency metrology requires a laser stabilized to a couple of Hz per second with a linewidth of the same...

Some aspects of simulation and realization of an optical reference cavity (2009)

Guyomarc'H, Didier, Hagel, Gaëtan, Zumsteg, Cédric, Knoop, Martina

The interrogation of an ultra-narrow clock transition of a single trapped ion for optical frequency metrology requires a laser stabilized to a couple of Hz per second with a linewidth of the same...

Some aspects of simulation and realization of an optical reference cavity (2009)

Guyomarc'H, Didier, Hagel, Gaëtan, Zumsteg, Cédric, Knoop, Martina

The interrogation of an ultra-narrow clock transition of a single trapped ion for optical frequency metrology requires a laser stabilized to a couple of Hz per second with a linewidth of the same...

Two-photon Doppler cooling of a three-level ladder system with an intermediate metastable level (2007)

Champenois, Caroline, Hagel, Gaetan, Knoop, Martina, Houssin, Marie, Zumsteg, Cedric, Vedel, Fernande, ...

Doppler laser cooling of a three-level ladder system using two near-resonant laser fields is analyzed in the case of the intermediate level being metastable while the upper level is short-lived....

Two-step Doppler cooling of a three-level ladder system with an intermediate metastable level (2007)

Champenois, Caroline, Hagel, Gaetan, Knoop, Martina, Houssin, Marie, Zumsteg, Cedric, Vedel, Fernande, ...

Doppler laser cooling of a three-level ladder system using two near-resonant laser fields is analyzed in the case of the intermediate level being metastable while the upper level is short-lived....

Terahertz frequency standard based on three-photon coherent population trapping (2007)

Champenois, Caroline, Hagel, Gaetan, Houssin, Marie, Knoop, Martina, Zumsteg, Cedric, Vedel, Fernande

A scheme for a THz frequency standard based on three-photon coherent population trapping in stored ions is proposed. Assuming the propagation directions of the three lasers obey the phase matching...

Terahertz frequency standard based on three-photon coherent population trapping (2007)

Champenois, Caroline, Hagel, Gaetan, Houssin, Marie, Knoop, Martina, Zumsteg, Cedric, Vedel, Fernande

A scheme for a THz frequency standard based on three-photon coherent population trapping in stored ions is proposed. Assuming the propagation directions of the three lasers obey the phase matching...

Two-step Doppler cooling of a three-level ladder system with an intermediate metastable level} (2007)

Champenois, Caroline, Hagel, Gaetan, Knoop, Martina, Houssin, Marie, Zumsteg, Cedric, Vedel, Fernande, ...

Doppler laser cooling of a three-level ladder system using two near-resonant laser fields is analyzed in the case of the intermediate level being metastable while the upper level is short-lived....

Two-step Doppler cooling of a three-level ladder system with an intermediate metastable level} (2007)

Champenois, Caroline, Hagel, Gaetan, Knoop, Martina, Houssin, Marie, Zumsteg, Cedric, Vedel, Fernande, ...

Doppler laser cooling of a three-level ladder system using two near-resonant laser fields is analyzed in the case of the intermediate level being metastable while the upper level is short-lived....

Terahertz frequency standard based on three-photon coherent population trapping (2007)

Champenois, Caroline, Hagel, Gaetan, Houssin, Marie, Knoop, Martina, Zumsteg, Cedric, Vedel, Fernande

A scheme for a THz frequency standard based on three-photon coherent population trapping in stored ions is proposed. Assuming the propagation directions of the three lasers obey the phase matching...

Comment on ``Prospect of optical frequency standard based on a 43Ca+ ion" (2005)

Champenois, Caroline, Knoop, Martina, Houssin, Marie, Hagel, Gaëtan, Vedel, Michel, Vedel, Fernande

A recent evaluation of the frequency uncertainty expected for an optical frequency standard based on a single trapped $^{43}$Ca$^+$ ion was published in Phys. Rev. A {\bf 72} (2005) 043404. The paper...

Comment on ``Prospect of optical frequency standard based on a 43Ca+ ion" (2005)

Champenois, Caroline, Knoop, Martina, Houssin, Marie, Hagel, Gaëtan, Vedel, Michel, Vedel, Fernande

A recent evaluation of the frequency uncertainty expected for an optical frequency standard based on a single trapped $^{43}$Ca$^+$ ion was published in Phys. Rev. A {\bf 72} (2005) 043404. The paper...

Comment on ``Prospect of optical frequency standard based on a 43Ca+ ion" (2005)

Champenois, Caroline, Knoop, Martina, Houssin, Marie, Hagel, Gaëtan, Vedel, Michel, Vedel, Fernande

A recent evaluation of the frequency uncertainty expected for an optical frequency standard based on a single trapped $^{43}$Ca$^+$ ion was published in Phys. Rev. A {\bf 72} (2005) 043404. The paper...

Long-term stabilization of the length of an optical reference cavity (2005)

Hagel, Gaëtan, Houssin, Marie, Knoop, Martina, Champenois, Caroline, Vedel, Michel, Vedel, Fernande

To obtain a high degree of long-term length stabilisation of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking...

Long-term stabilization of the length of an optical reference cavity (2005)

Hagel, Gaëtan, Houssin, Marie, Knoop, Martina, Champenois, Caroline, Vedel, Michel, Vedel, Fernande

To obtain a high degree of long-term length stabilisation of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking...

Long-term stabilization of the length of an optical reference cavity (2005)

Hagel, Gaëtan, Houssin, Marie, Knoop, Martina, Champenois, Caroline, Vedel, Michel, Vedel, Fernande

To obtain a high degree of long-term length stabilisation of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Comment on ``Prospect of optical frequency standard based on a 43Ca+ ion" (2005)

Champenois, Caroline, Knoop, Martina, Houssin, Marie, Hagel, Gaëtan, Vedel, Michel, Vedel, Fernande

A recent evaluation of the frequency uncertainty expected for an optical frequency standard based on a single trapped $^{43}$Ca$^+$ ion was published in Phys. Rev. A {\bf 72} (2005) 043404. The paper...

Long-term stabilization of the length of an optical reference cavity (2005)

Hagel, Gaëtan, Houssin, Marie, Knoop, Martina, Champenois, Caroline, Vedel, Michel, Vedel, Fernande

To obtain a high degree of long-term length stabilisation of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Comment on ``Prospect of optical frequency standard based on a 43Ca+ ion" (2005)

Champenois, Caroline, Knoop, Martina, Houssin, Marie, Hagel, Gaëtan, Vedel, Michel, Vedel, Fernande

A recent evaluation of the frequency uncertainty expected for an optical frequency standard based on a single trapped $^{43}$Ca$^+$ ion was published in Phys. Rev. A {\bf 72} (2005) 043404. The paper...

Long-term stabilization of the length of an optical reference cavity (2005)

Hagel, Gaëtan, Houssin, Marie, Knoop, Martina, Champenois, Caroline, Vedel, Michel, Vedel, Fernande

To obtain a high degree of long-term length stabilisation of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking...

Confinement d'un ion unique de Ca+ pour la métrologie des fréquences optiques (2005)

Knoop, Martina

Le présent rapport résume mon travail de recherche sur l'ion Ca+ effectué au cours de la dernière décennie. Les travaux préliminaires effectués dans un piège de Paul classique sont...

Evaluation of the ultimate performances of a Ca+ single-ion frequency standard (2003)

Champenois, Caroline, Houssin, Marie, Lisowski, Caroline, Knoop, Martina, Hagel, Gaetan, Vedel, Michel, ...

We numerically evaluate the expected performances of an optical frequency standard at 729 nm based on a single calcium ion. The frequency stability is studied through the Allan deviation and its...

Evaluation of the ultimate performances of a Ca+ single-ion frequency standard (2003)

Champenois, Caroline, Houssin, Marie, Lisowski, Caroline, Knoop, Martina, Hagel, Gaetan, Vedel, Michel, ...

We numerically evaluate the expected performances of an optical frequency standard at 729 nm based on a single calcium ion. The frequency stability is studied through the Allan deviation and its...

Evaluation of the ultimate performances of a Ca+ single-ion frequency standard (2003)

Champenois, Caroline, Houssin, Marie, Lisowski, Caroline, Knoop, Martina, Hagel, Gaetan, Vedel, Michel, ...

We numerically evaluate the expected performances of an optical frequency standard at 729 nm based on a single calcium ion. The frequency stability is studied through the Allan deviation and its...

Metastable level lifetimes from electron-shelving measurements with ion clouds and single ions (2003)

Knoop, Martina, Champenois, Caroline, Hagel, Gaëtan, Houssin, Marie, Lisowski, Caroline, Vedel, Michel, ...

The lifetime of the 3d^2D_5/2-level in singly-ionized calcium has been measured by the electron-shelving technique on different samples of rf trapped ions. The metastable state has been directly...

Evaluation of the ultimate performances of a Ca+ single-ion frequency standard (2003)

Champenois, Caroline, Houssin, Marie, Lisowski, Caroline, Knoop, Martina, Hagel, Gaetan, Vedel, Michel, ...

We numerically evaluate the expected performances of an optical frequency standard at 729 nm based on a single calcium ion. The frequency stability is studied through the Allan deviation and its...

Evaluation of the ultimate performances of a Ca+ single-ion frequency standard (2003)

Champenois, Caroline, Houssin, Marie, Lisowski, Caroline, Knoop, Martina, Hagel, Gaetan, Vedel, Michel, ...

We numerically evaluate the expected performances of an optical frequency standard at 729 nm based on a single calcium ion. The frequency stability is studied through the Allan deviation and its...