Browsing by Author "Boiko, Dmitri L."
Now showing items 1-20 of 106
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1.1 ps pulse-on-demand generation in tandem-cavity InGaN laser
Boiko, Dmitri L.; Zeng, Xi; Weig, Thomas; Schwarz, Ulrich T.; Sulmoni, Luca; Lamy, Jean-Michel; Grandjean, Nicolas (2012) -
1/f noise in external-cavity InGaN diode laser at 420  nm wavelength for atomic spectroscopy
Zeng, Xi; Boiko, Dmitri L. (2014-03-15)We have extensively studied the frequency noise and relative intensity noise spectra in a tunable external-cavity InGaN diode laser at blue (420 nm) wavelengths. We report flicker (1/f) frequency-noise behavior at low ... -
Absorption spectroscopy of 85Rb atoms at 420 nm: Pressure broadening with N2 buffer gas and saturation intensity
Zeng, Xi; Boiko, Dmitri L. (2014-06)We experimentally measure the pressure broadening coefficient of absorption linewidth in the 85Rb 52S1/2-62P3/2 transition (420 nm wavelength) due to collisions with N2 buffer gas. In addition, we measure the saturation ... -
Analytical expression for Risken-Nummedal-Graham-Haken instability threshold in quantum cascade lasers
Vuković, Nikola; Radovanović, Jelena; Milanović, Vitomir; Boiko, Dmitri L. (2016-11-14)We have obtained a closed-form expression for the threshold of Risken-Nummedal-Graham-Haken (RNGH) multimode instability in a Fabry-Pérot (FP) cavity quantum cascade laser (QCL). This simple analytical expression ... -
Broadband Multimode Emission of Quantum Cascade Lasers in Strong Magnetic Fields
Gajic, Aleksandra; Radovanovic, Jelena; Vukovic, Nikola; Milanovic, Vitomir; Boiko, Dmitri L. (2019-08)An external magnetic field applied to a quantum cascade laser (QCL) structure in the direction of the epitaxial growth splits all two-dimensional subbands in the upper and lower laser levels as well as the injector/collector ... -
CMOS-SPAD arrays for Quantum Imaging Applications
Gasparini, Leonardo; Zarghami, Majid; Perenzoni, Matteo; Parmesan, Luca; Garcia, Michel; Mitev, Valentin; Balet, Laurent; Torcheboeuf, Nicolas; Boiko, Dmitri L.; Unternährer, Manuel; Bessire, Bänz; Stefanov, André (2019-10-21) -
Controlling the Quantum Cascade Laser Frequency Comb via Risken-Nummedal-Graham-Haken Instability
Antonov, Alexander V.; Kuritsyn, D. I.; Gajić, Aleksandra; Orlova, E. E.; Vuković, Nikola N.; Radovanović, Jelena; Vaks, Vladimir V.; Boiko, Dmitri L. (2018) -
Demonstration of mid-IR gas sensing with frequency-swept Fabry-Perot cavity quantum cascade laser
Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Hempel, Frank; Lang, Norbert; Wiese, Mathias; Zimmermann, Henrik; Boiko, Dmitri L. (2022-09-16)We demonstrate an innovative approach for a mid-IR gas sensing spectroscopy with a cost-effective commercial Fabry-Perot cavity quantum cascade laser. Using transient blue-chirped emission of such a laser, the spectral ... -
Determination of RNGH Round-trip Gain in QCLs
Vuković, Nikola; Radovanović, Jelena; Milanović, Vitomir; Boiko, Dmitri L. (2016) -
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) -
Dicke Superradiance in a Multi-Section GaN Edge Emitting Cavity
Boiko, Dmitri L.; Vasil’ev, Peter P. (2010-09) -
Dicke superradiance in GaN quantum wells
Boiko, Dmitri L.; Vasil'ev, Peter P. (2010-09)We numerically modeled the spatio-temporal dynamics of Dicke superradiance in GaN/InGaN heterostructure quantum wells in a ridge waveguide cavity. Model predictions envisage ultrashort pulses of intensities superior to ... -
Discrimination of entangled photon pair from classical photons by de Broglie wavelength
Mitev, Valentin; Balet, Laurent; Torcheboeuf, Nicolas; Renevey, Philippe; Boiko, Dmitri L. (2020) -
Dual Frequency Spin-Polarized Pumping
Boiko, Dmitri L. (2016) -
Effect of applied bias voltage on the static and dynamic characteristics of self-pulsating multi-section InGaN-based laser diode
Sulmoni, Luca; Lamy, Jean-Michel; Carlin, Jean-François; Zeng, Xi; Boiko, Dmitri L.; Grandjean, Nicolas (2012-10)InGaN-based laser diodes (LDs) are suitable for obtaining low-cost and compact short-pulse laser light sources in the blue-violet range exploiting either mode-locking or self-pulsating regimes. Typically these devices ... -
Electrically driven frequency blue-chirped emission in Fabry–Perot cavity quantum cascade laser at room temperature
Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Blaser, Stéphane; Boiko, Dmitri L. (2021-01) -
Exploring possibilities of regular self-pulsing in monolithic and external cavity mid-IR QCLs
Vukovic, Nikola; Radovanović, Jelena; Milanovic, Vitomir; Boiko, Dmitri L. (2019) -
Exploring the relation between Risken–Nummedal–Graham–Haken instabilities and conditions for superradiance in a quantum cascade laser
Vuković, Nikola; Radovanović, Jelena; Milanović, Vitomir; Boiko, Dmitri L. (2014) -
External Cavity Diode Laser at 420 nm Wavelength for Atomic Spectroscopy
Zeng, Xi; Boiko, Dmitri L. (2013) -
Fast-fluorescence dynamics in nonratiometric calcium indicators
Gersbach, Marek; Boiko, Dmitri L.; Niclass, Cristiano; Petersen, Carl C. H.; Charbon, Edoardo (2009-02-01)