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Atomic clocks are a vital technology in the day to day operation of modern society. While passive Rb and Cs microwave atomic clocks find widespread practical applications today, active atomic clocks have the potential to surpass them in frequency stability, compactness, and simplicity. This dissertation is a comprehensive study of the physics of an active atomic clock based on modelocked external cavity semiconductor laser with 85Rb vapor cell saturable absorber. As the starting point for establishing our concept, this study encompasses optical interrogation in the traditional D1 (5S1/2-5P1/2, 795 nm wavelength) line in 85Rb atoms, as well as in the less used and less studied 5S1/2-6P3/2 (420 nm) line, which has very different absorption characteristics. The theoretical and experimental work in this dissertation establish a foundational background for the active atomic clock laser, yielding novel results in the field of semiconductor lasers and atomic physics.
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José Luis Abelleira Fernández, Werner Friedrich Herr, Tatiana Pieloni, Ngoc Thanh Trinh, Frank Zimmermann
José Luis Abelleira Fernández, Bernhard Auchmann, Sandra Aumon, Fabio Avino, Javier Barranco Garcia, Manuel Bauer, Luca Bottura, Pierluigi Bruzzone, Xavier Buffat, Francesco Cerutti, Agnieszka Chmielinska, Roberto Contino, Marco Drewes, Sondre Vik Furuseth, Massimo Giovannozzi, Patrik Gonçalves Jorge, Elena Graverini, Alexej Grudiev, Ruchi Gupta, Doohyun Kim, Mathias Oleg Knecht, Mithlesh Kumar, Lotta Maria Mether, Giuseppe Montenero, Tatiana Pieloni, Leonid Rivkin, François Robert, Luca Rossi, Jean-Michel Sallese, Alexandra Sarabando de Carvalho, Michael Schenk, Rudiger Schmidt, Jan Steggemann, Alban Sublet, Claudia Tambasco, Sofia Vallecorsa, Martin Vogel, Rui Wang, Jorg Wenninger, Andrea Wulzer, Yi Zhang, Hua Zhang, Frank Zimmermann
José Luis Abelleira Fernández, Bernhard Auchmann, Sandra Aumon, Fabio Avino, Javier Barranco Garcia, Manuel Bauer, Luca Bottura, Pierluigi Bruzzone, Xavier Buffat, Francesco Cerutti, Agnieszka Chmielinska, Roberto Contino, Marco Drewes, Sondre Vik Furuseth, Massimo Giovannozzi, Patrik Gonçalves Jorge, Elena Graverini, Alexej Grudiev, Ruchi Gupta, Doohyun Kim, Mathias Oleg Knecht, Mithlesh Kumar, Lotta Maria Mether, Giuseppe Montenero, Tatiana Pieloni, Leonid Rivkin, François Robert, Luca Rossi, Jean-Michel Sallese, Alexandra Sarabando de Carvalho, Michael Schenk, Rudiger Schmidt, Jan Steggemann, Alban Sublet, Claudia Tambasco, Sofia Vallecorsa, Martin Vogel, Rui Wang, Jorg Wenninger, Andrea Wulzer, Yi Zhang, Hua Zhang, Frank Zimmermann