Browsing by Author "Kundermann, Stefan"
Now showing items 1-20 of 31
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9.6 GHz ultra-low phase noise signal generation from a diode-pumped solid-state laser
Portuondo-Campa, Erwin; Buchs, Gilles; Kundermann, Stefan; Lecomte, Steve (2015-10)We present ultra-low phase noise microwave generation based on a photonics oscillator. By using an ultra-narrow linewidth continuous-wave laser stabilized on a high-finesse optical cavity as a frequency reference, an optical ... -
A microphotonic astrocomb
Obrzud, Ewelina; Rainer, Monica; Harutyunyan, Avet; Anderson, Miles H.; Liu, Junqiu; Geiselmann, Michael; Chazelas, Bruno; Kundermann, Stefan; Lecomte, Steve; Cecconi, Massimo; Ghedina, Adriano; Molinari, Emilio; Pepe, Francesco; Wildi, François; Bouchy, François; Kippenberg, Tobias J.; Herr, Tobias (2019-01)A microphotonic astrocomb is demonstrated via temporal dissipative Kerr solitons in photonic-chip-based silicon nitride microresonators with a precision of 25?cm?s–1 (radial velocity equivalent), useful for Earth-like ... -
Broadband Laser Frequency Comb Based on Electro-Optic Modulation for Astronomical Spectrograph Calibration
Obrzud, Ewelina; Lecomte, Steve; Pepe, Francesco; Wildi, Francois; Bouchy, Francois; Herr, Tobias; Rainer, Monica; Harutyunyan, Avet; Chazelas, Bruno; Cecconi, Massimo; Ghedina, Adriano; Molinari, Emilio; Kundermann, Stefan; Brasch, Victor (2019) -
Broadband near-infrared astronomical spectrometer calibration and on-sky validation with an electro-optic laser frequency comb
Obrzud, Ewelina; Rainer, Monica; Harutyunyan, Avet; Chazelas, Bruno; Cecconi, Massimo; Ghedina, Adriano; Molinari, Emilio; Kundermann, Stefan; Lecomte, Steve; Pepe, Francesco; Wildi, François; Bouchy, François; Herr, Tobias (2018-12-24)The quest for extrasolar planets and their characterization as well as studies of fundamental physics on cosmological scales rely on capabilities of high-resolution astronomical spectroscopy. A central requirement is a ... -
Compact gigahertz frequency comb generation: how short do the pulses need to be?
Pekarek, Selina; Stumpf, Max C.; Lecomte, Steve; Kundermann, Stefan; Klenner, Alexander; Südmeyer, Thomas; Dudley, John M.; Keller, Ursula (2012-01-29)We investigate the required pulse duration for coherent supercontinuum generation for CEO detection in the 1-µm and 1.5-µm spectral regime. We demonstrate the first self-referenceable frequency comb from a gigahertz ... -
Compact Hz-level linewidth laser system
Portuondo-Campa, Erwin; Kundermann, Stefan; Lecomte, Steve (2012-04) -
Comparison of different carrier-envelope frequency stabilization methods for a high performance DPSSL frequency comb
Kundermann, Stefan; Lecomte, Steve (2015-04)Carrier envelope frequency (fCEO) stabilization of frequency combs is traditionally achieved via power modulation of the pump of the comb oscillator. A further possibility is to shift the laser fCEO using an external ... -
Development of a transportable optically-pumped cesium beam clock
Berthoud, Patrick; Haldimann, Manuel; Michaud, Alain; Kundermann, Stefan; Boiko, Dmitri L.; Lecomte, Steve; Hermann, Virgile; André, Muriel (2015) -
Digital OPLL-based distributed Brillouin sensing system in optical fibers
Chin, Sanghoon; Denis, Séverine; Kundermann, Stefan; Brasch, Victor; Lecomte, Steve (2022-05-23)A digital optical phase-locked loop (OPLL) has been implemented to develop a distributed Brillouin sensing system in optical fibers. In our experiment, two commercial semiconductor lasers are phase-locked to each other ... -
Dual frequency comb interferometer for fast and high resolution optical spectroscopy
Portuondo, Erwin; Bennès, Jonathan; Kundermann, Stefan; Lecomte, Steve (2015) -
Electro-optic laser frequency comb for spectrograph calibration
Obrzud, Ewelina; Rainer, Monica; Harutyunyan, Avet; Brasch, Victor; Chazelas, Bruno; Cecconi, Massimo; Ghedina, Adriano; Molinari, Emilio; Kundermann, Stefan; Lecomte, Steve; Bouchy, Francois; Wildi, Francois; Pepe, Francesco; Herr, Tobias (2019) -
High-pulse energy-stabilized passively mode-locked external cavity inverse bow-tie 980nm laser diode for space applications
Krakowski, Michel; Resneau, Patrick; Garcia, Michel; Vinet, Eric; Robert, Yannick; Lecomte, Michel; Parillaud, Olivier; Gerard, Bruno; Kundermann, Stefan; Torcheboeuf, Nicolas; Boiko, Dmitri L. (2018-02-19)We report on multi-section inverse bow-tie laser producing mode-locked pulses of 90 pJ energy and 6.5 ps width (895 fs after compression) at 1.3 GHz pulse repetition frequency (PRF) and consuming 2.9 W of electric power. ... -
Low-noise 1-micron optical frequency comb based on diode-pumped solid-state laser technology
Kundermann, Stefan; Portuondo-Campa, Erwin; Bennès, Jonathan; Lecomte, Steve (2013-07)Optical frequency combs are key instruments that have revolutionized many fields like frequency metrology and spectroscopy. Traditionally based on fiber lasers or Ti:Sapphire lasers they have been widely studied. Here we ... -
On-chip integrated zero-RAM frequency modulator for noise reduction and linewidth narrowing in discrete-mode lasers
Kundermann, Stefan; O'Carroll, John; Byrne, Diarmuid; Maigyte, Lina; Kelly, Brian; Phelan, Richard; Boiko, Dmitri L. (2016-09) -
On-chip integrated zero-RAM frequency modulator for noise reduction and linewidth narrowing in discrete-mode lasers
Kundermann, Stefan; O'Carroll, John; Byrne, Diarmuid; Maigyte, Lina; Kelly, Brian; Kjelberg, Ivar; Lecomte, Steve; Phelan, Richard; Boiko, Dmitri L. (2017-06)Wavelength tuneable lasers for 40G and 100G coherent optical communications systems need to meet stringent requirements on narrow linewidth emission across the entire tuning range, with typical values of 300-500 kHz required ... -
Polarization Maintaining Pulse Interleaving for Low Noise Photonic Microwave Generation
Buchs, Gilles; Kundermann, Stefan; Portuondo-Campa, Erwin; Lecomte, Steve (2014) -
Radiation hard mode-locked laser suitable as a spaceborne frequency comb
Buchs, Gilles; Kundermann, Stefan; Portuondo-Campa, Erwin; Lecomte, Steve (2015-04-20)We report ground-level gamma and proton radiation tests of a passively mode-locked diode-pumped solid-state laser (DPSSL) with Yb:KYW gain medium. A total gamma dose of 170 krad(H2O) applied in 5 days generates minor changes ... -
Radiation Hard Optical Frequency Comb from a Diode-Pumped Solid-State Femtosecond Laser
Buchs, Gilles; Kundermann, Stefan; Portuondo, Erwin; Lecomte, Steve (2015) -
Repetition rate stabilization of an optical frequency comb based on solid-state laser technology with an intra-cavity electro-optic modulator
Torcheboeuf, Nicolas; Buchs, Gilles; Kundermann, Stefan; Portuondo-Campa, Erwin; Bennès, Jonathan; Lecomte, Steve (2017-02-06)The repetition rate stabilization of an optical frequency comb based on diode-pumped solid-state laser technology is demonstrated using an intra-cavity electro-optic modulator. The large feedback bandwidth of such modulators ... -
Self-referenceable frequency comb from a gigahertz diode-pumped solid-state laser
Pekarek, Selina; Südmeyer, Thomas; Lecomte, Steve; Kundermann, Stefan; Dudley, John M.; Keller, Ursula (2011-08-15)We present carrier envelope offset (CEO) frequency detection of a diode-pumped Yb:KGW (ytterbium-doped potassium gadolinium tungstate) laser with a repetition rate of 1 GHz. The SESAM-soliton-modelocked laser delivers 2.2-W ...