List of publications of CENAM in time and Frequency Metrology
2007 - 2017
[1] Luis Adrian Lizama-Pérez, José Mauricio López, and Eduardo De Carlos López, “Quantum Key
Distribution in the Presence of the Intercept-Resend with Faked States Attack”, Entropy 2017, 19, 4;
doi:10.3390/e19010004.
[2] C. A. Ortiz, E. de Carlos and J. M. Lopez, “Paper Laser: a step towards a time scale generation from an
ensemble of optical clocks”, Journal of Physics: Conference Series, Vol. 723, 2016, 012062-1.
[3] María G. Espinoza-Olivares, Eduardo de Carlos-López, J. Mauricio Romero, and Sergio López-López, “Alternative Algorithm for Temperature Measurements of Cold Atoms in Cs Fountain Clocks”, IEEE Transactions on Instrumentation and Measurement, Vol. 64, No. 8, 2015, 2265.
[4] J. M. López and M. A. Lombardi, “Timekeeping in the Americas”, RevMexAA (Serie de Conferencias), 46, 1–6 (2015).
[5] Luis A. Lizama-Pérez, J. Mauricio López, Eduardo de Carlos-López, and Salvador E. Venegas-Andraca, “Quantum Flows for Secret Key Distribution in presence of the Photon Number Splitting attack”, Entropy 2014, 16, 3121.
[6] José Mauricio López-Romero, Michael A. Lombardi, Nélida Diaz-Muñoz, and Eduardo de Carlos-Lopez, “SIM Time Scale”, IEEE Transactions on Instrumentation and Measurement, Vol. 62, No. 12, 2013, 3343. [7] E. de Carlos-López, J. M. López, S. López, M. G. Espinosa, and L. A. Lizama, “Laser frequency shifting by
using two novel triple-pass acousto-optic modulator configurations”, Review of Scientific Instruments,
Vol. 83, 2012, 116102.
[8] Luis Lizama, J. Mauricio López, Eduardo De Carlos López, Salvador E. Venegas-Andraca, “Enhancing
Quantum Key Distribution (QKD) to address quantum hacking”, The 2012 Iberoamerican Conference on
Electronics Engineering and Computer Science, Procedia Technology, Vol. 3, 2012, 80.
[9] J.M. López-Romero, M.A. Lombardi and N. Díaz-Muñoz, “Automated Clock Comparisons and Time Scale
Generation in the SIM Region”, MAPAN: Volume 27, Issue 1 (2012), 49.
[10] Michael A. Lombardi, Andrew N. Novick, J. Mauricio López Romero, Francisco Jiménez, Eduardo de Carlos López, et. al., “The SIM Time Network”, Journal of Research of the National Institute of Standards and Technology, Vol. 116, No. 2, 2011, 557.
[11] Raul F. Solis, Luis M. Mojica, Harold Sanchez, Oscar G. Fallas, J. Mauricio Lopez-Romero, Francisco Jiménez, et. al., “An Interlaboratory Stopwatch Comparison in the SIM Region”, MEASURE, Vol. 6 No. 3, September 2011, 56.
[12] J. Mauricio Lopez-Romero and Michael A. Lombardi, “The Development of a Unified Time and Frequency
Program in the SIM Region”, MEASURE, Vol. 5 No. 3, September 2010, 30.
[13] Nicolas A. Shtin and José Mauricio López Romero, “Medium Power C-Band Array Amplifier Featured
Ultra Low Residual Phase Noise”, Microwave and Optical Technology Letters / Vol. 52, No. 2 February
[14] S. López-López, J. M. López-Romero, E. de Carlos-López, M. Talavera-Ortega, N. Shtin, “Development of
primary frequency standards at CENAM”, Measure, Vol. 4, No. 3, 2009, 42.
[15] Nicolas A. Shtin, José Mauricio Lopez Romero, and Eugene Prokhorov, “Theory of fundamental
microwave absorption in sapphire”, JOURNAL OF APPLIED PHYSICS 106, 104115 (2009).
[16] A. Hernández Hernández, E. Méndez Martínez, A. Reyes Reyes, J. Flores Mijangos, J. Jiménez Mier, J. M. López Romero, E. de Carlos López, “Polarized velocity selective spectroscopy of atomic Rubidium using
counterpropagating beams”, Optics Communications, Vol. 282, No. 5, 2009, 887.
[17] J. M. López-Romero, N. Díaz-Muñoz, M. A. Lombardi, “Establishment of the SIM Time Scale”, INFOSIM, August 2009, 39.
[18] Michael A. Lombardi, Andrew N. Novick, J. Mauricio Lopez R., Francisco Jimenez, et. al., “The SIM Time
and Frequency Network”, INFOSIM, December 2008, 15.
[19] J M López-Romero and N Díaz-Muñoz, “Progress in the generation of the UTC(CNM) in terms of a virtual
clock”, Metrologia 45 (2008) S59–S65, doi:10.1088/0026-1394/45/6/S10.
[20] E. de Carlos López, J. M. López Romero, “Laser frequency stabilization using FM optical pumping
spectroscopy”, Revista Mexicana de Física, Vol. 54, No. 3, 2008, 222.
[21] M. Talavera Ortega, J. M. López Romero, E. de Carlos López, S. Jiménez Sandoval. “Accurate absolute
measurement of trapped Cs atoms in a MOT”, Revista Mexicana de Física, Vol. 53, No. 5, 2007, 358.
Proceedings
[1] C. A. Ortiz, E. de Carlos, L. Hernández and J. M. López, “Characterization of the stability limit of an
ultra-stable laser respect to 133Cs D
2 line using modulation transfer spectroscopy”, Proceedings of the Simposio de Metrología 2016, ISBN 978-607-97187-8-7, 69.
[2] J. M. López, E. de Carlos, C. A. Ortiz, 2 and R. Gutierrez, “Hacia una nueva definición de la unidad de tiempo del SI”, Proceedings of the Simposio de Metrología 2016, ISBN 978-607-97187-8-7, 147.
[3] Ricardo Gutierrez-Gómez, Sergio López-Lopez, “Detección y medición de la frecuencia de corrimiento
(frecuencia offset) en el peine de frecuencias ópticas del CENAM”, Proceedings of the Simposio de
Metrología 2016, ISBN 978-607-97187-8-7, 67.
[4] C. A. Ortiz Cardona, E. de Carlos López, J. M. López Romero, and S. López-López, “Improving the
Frequency Stability of a Laser using a “Paper” Laser””, Proceedings of the 2015 Joint Conference of the
IEEE International Frequency Control Symposium & European Frequency and Time Forum.
[5] De Carlos-López Eduardo, Ortiz-Cardona Carlos Andrés, López-Romero J. Mauricio, López-López Sergio, “Towards the Entirely Operation of Cesium Fountain Clock with an Ultra Stable Laser”, Proceedings of the 2015 Joint Conference of the IEEE International Frequency Control Symposium & European Frequency and Time Forum.
[6] Espinosa María, de Carlos Eduardo, López Sergio, and López Mauricio, “Towards Thermodynamics of
Cold Cesium Atoms in Cs Fountain Clocks”, Proceedings of the 2015 Joint Conference of the IEEE
[7] Sergio López L., Pedro A. Resendiz L., J. Mauricio López R., Eduardo de Carlos L., C. Andrés Ortiz C., “Avances en el Establecimiento del Patrón Nacional de Frecuencias Ópticas del CENAM”, Proceedings of the Simposio de Metrología 2014, ISBN 978-607-96162-9-8, 699.
[8] Michael A. Lombardi, Judah Levine, J. Mauricio Lopez, Francisco Jiménez, et. al., “International
Comparisons of Network Time Protocol Servers”, Proceedings of the 2014 Precise Time and Time
Interval Meeting, 57.
[9] José Mauricio López-Romero, Michael A. Lombardi, Nélida Díaz Muñoz, Eduardo de Carlos López, “Improved Performance, Remote Realization, and Accessibility of the Inter-American Metrology System
(SIM) Time Scale”, Proceedings of the the 2014 NCSL International Workshop & Symposium.
[10] J. M. López R., N. Díaz M., E. de Carlos L., M. A. Lombardi, M. Gertsvolf, and R. de Carvalho, “Improvements in SIM Time Network and SIM Time Scale Performance”, Proceedings of the Simposio de Metrología 2014, ISBN 978-607-96162-9-8, 693.
[11] E. de Carlos López, J. M. López Romero, S. López López, M. G. Espinosa Olivares, C. A. Ortiz Cardona, “Operation of the CENAM’s Cs Fountain Clock: Preliminary Results”, Proceedings of the Simposio de Metrología 2014, ISBN 978-607-96162-9-8, 687.
[12] Luis A. Lizama-Pérez, J. Mauricio López, and E. de Carlos-López, “Quantum Key Distribution with
Applications”, Proceedings of the Simposio de Metrología 2014, ISBN 978-607-96162-9-8, 675.
[13] E. de Carlos López, C. A. Ortiz Cardona, J. M. López Romero, S. López López, P. Reséndiz Lira, “Ultra
Stable Lasers for Cesium Fountain Clocks”, Proceedings of the Metrología 2014, ISBN
978-607-96162-9-8, 706.
[14] E. de Carlos López, C. A. Ortiz Cardona, J. M. López Romero, S. López López, P. Reséndiz Lira, “Osciladores ópticos ultra estables y su aplicación en relojes de fuente atómica de Cesio”, Proceedings of the 5° Taller de Dinámica y Estructura de la Materia, TaDEM 2014, 13.
[15] E. de Carlos López, J. M. López Romero, S. López López, M. G. Espinosa Olivares, C. A. Ortiz Cardona, “Resultados preliminares en la espectroscopia de microondas de ultra alta resolución en Cesio-133
utilizando la fuente atómica del CENAM”, Proceedings of the 5° Taller de Dinámica y Estructura de la
Materia, Libro de Abstracts TaDEM 2014, 33.
[16] Michael A. Lombardi, Jose Mauricio López-Romero, and Nelida Diaz-Muñoz, “Automated Control of
National Time Standards via the SIM Time Scale”, Proceedings of the X SEMETRO.
[17] J. M. López, M. A. Lombardi, N. Díaz, E. de Carlos, “A new algorithm for clock weights for the SIM time
scale”, Proceedings of the Simposio de Metrología 2012, ISBN 978-607-96162-0-5, 488.
[18] Minguela-Gallardo J. A, López-López S., López-Romero J. M., de Carlos-López E., “Avances en el
desarrollo de un peine de frecuencias para aplicaciones en metrología”, Proceedings of the Simposio de
Metrología 2012, ISBN 978-607-96162-0-5, 476.
[19] J. M. López-Romero, M. A. Lombardi, N. Diaz-Muñoz, E. de Carlos-López, “International time and
frequency comparisons in real time: recent results”, Proceedings IEEE Conference on Precision
Electromagnetic Measurements (CPEM), 2012, 694.
[20] M. G. Espinosa, E. de Carlos, J. M. López, S. López and L.A. Lizama, “New Method for Temperature
Measurement of Cold Atoms in Cs Fountain Clocks”, Proceedings IEEE Conference on Precision
[21] Luis Adrián Lizama Pérez, J. Mauricio López, Eduardo de Carlos López, “Protocolo de distribución
cuántica de llave (QKD) con detección de hacking cuántico”, Proceedings of the Simposio de Metrología
2012, ISBN 978-607-96162-0-5, 173.
[22] Eduardo de Carlos López, J. Mauricio López Romero, Sergio López López, María Guadalupe Espinosa Olivares y Luis Adrián Lizama Pérez, “Sistema óptico del patrón primario de frecuencia de haz térmico
con bombeo óptico del CENAM, CsOP-2”, Proceedings of the Simposio de Metrología 2012, ISBN
978-607-96162-0-5, 758.
[23] J. Mauricio López Romero, Michael A. Lombardi, Andrew N. Novick, Francisco Jiménez, N. Díaz Muñoz, Eduardo de Carlos López, et. al., “Real-Time Generation of the SIM Time Scale (SIMT) from International
Clock Comparisons”, Proceedings of the XXX General Assembly and Scientific Symposium of the
International Union of Radio Science, 2011.
[24] E. de Carlos López, J. M. López, M. G. Espinosa, S. López, L. A. Lizama, “Mediciones de temperatura de
átomos de Cesio-133 ultra fríos en el reloj de fuente atómica del CENAM”, Proceedings of the Simposio
de Metrología 2010.
[25] Eduardo de Carlos, J. Mauricio López, María Guadalupe Espinosa, Sergio López, “Mediciones de
temperatura de átomos de Cesio-133 ultra fríos en el reloj de fuente atómica del CENAM”, Proceedings
of the 1er Taller de Dinámica y Estructura Atómica, Molecular y Óptica, AMO 2010, 15.
[26] J. Mauricio Lopez R., Michael A. Lombardi, “Challenges in SIM to Create a Coordination Program for
Time and Frequency”, Proceedings of the 2010 NCSL International Workshop and Symposium.
[27] J. M. López-Romero, M. A. Lombardi and N. Diaz-Muñoz, “SIM time scales”, Proceedings of the Simposio de Metrología 2010.
[28] M. G. Espinosa, E. de Carlos, J. M. López, S. López and L.A. Lizama, “New Method for Temperature
Measurement of Cold Atoms in Cs Fountain Clocks”, Proceedings of the Conference on Precision
Electromagnetic Measurements (CPEM), 2010.
[29] J. M. López-Romero, M. A. Lombardi, N. Diaz-Muñoz, E. de Carlos-López, “International time and
frequency comparisons in real time: recent results”, Proceedings of the Conference on Precision
Electromagnetic Measurements (CPEM), 2010.
[30] J. M. López-Romero, E. de Carlos L. S. López-López, N. Shtin, M. Espinosa O., and L. A. Lizama P., “Towards the establishment of a Cesium fountain clock at CENAM”, Proceedings of the Conference on Precision Electromagnetic Measurements (CPEM), 2010.
[31] J.M. López-Romero and M. Lombardi, “Challenges in SIM to create a coordination program for time and
frequency metrology”, Proceedings of the 2010 NCSL International Workshop and Symposium, 2010.
[32] Nicolas Shtin, Jose Mauricio Lopez Romero, “Ultra Low Phase Noise C-band Oscillators with Combined
Frequency Stabilization”, Proceedings of the Asia-Pacific Microwave Conference 2010.
[33] L. A. Lizama-Pérez, E. de Carlos-López y J.M. López Romero, “Distribución cuántica de llave completa por
medio de retroalimentación de no demolición”, Proceedings of the III Congreso de la División de
Información Cuántica de la Sociedad Mexicana de Física, 2010.
[34] N. Diaz-Muñoz, F. Jiménez-Tapia y J.M. López-Romero, “El UTC(CNM): nuevo esquema de generación”, Proceedings of the Simposio de Metrología 2010.
[35] R.J. Lazos Martínez y J.M. López Romero, “Las definiciones de las unidades de medida en su nueva
etapa”, Proceedings of the Simposio de Metrología 2010.
[36] L.A. Lizama-Pérez, J.M. López-Romero, S. Venegas-Andraca and E. de Carlos-López, “Secure transport of
UTC(CNM) through quantum key distribution”, Proceedings of the Simposio de Metrología 2010.
[37] J.M. López-Romero, M.A. Lombardi, and N. Diaz-Muñoz, “SIM time scales”, Proceedings of the Simposio de Metrología 2010.
[38] E. de Carlos López, J. M. López Romero, “Estudio de la Emisión Espectral de Láseres Semiconductores
Tipo DFB”, Proceedings of the Simposio de Metrología 2008.
[39] J. M. López-Romero, N. Díaz-Muñoz and M. A. Lombardi, “Establishment of the SIM Time Scale”, Proceedings of the Simposio de Metrología 2008.
[40] J. Mauricio Lopez R., Michael A. Lombardi, Andrew N. Novick, Jean-Simon Boulanger, Ricardo de Carvalho, Raul Solis, and Francisco Jimenez, “The SIM Network: Improved Time Coordination for North,
