Pavel Honzátko, Ph.D.

Research interests:

Fiber and nonlinear optics, fiber lasers.

Professional activities:

2013 - today: Member of the Council for Cooperation with the application and industry AV ČR
2012 - today: Vice-Chairman of the Council of the Institute of Photonics and Electronics AS CR, vvi
2012 - today: Member of the Academic Assembly of the Republic
2009 - 2010: member of the evaluation panel, # 205, GA
2004 - 2009: Member of the sub advisory committee # 102, GA
2002 - 2013: Member of the Council for Science Popularization AV ČR
2000 - 2003: Vice-Chairman of the Scientific Council of the Institute of Photonics and Electronics AS CR, vvi
1998 - 2003: Member of the Scientific Council of the Institute of Photonics and Electronics AS CR, vvi

Education:

1997: Ph.D. - Nonlinear and Quantum Optics, Charles University, Prague, Czech Republic.
Dissertation Thesis: "Cubic-quinth nonlinear phenomena in optical fibers."

1989: M.S. - Multichannel Communications, Moscow Electrotechnical Institute of Telecommunications, Moscow

Awards:

2013: Ocenění TA ČR 2013 in the category Original solutions for the project entitled "Optical Packet Switch"

Current research projects:

Principal investigator of projects:

Co-investigator of projects:

• Centre of Electron and Photonic Optics
• Light at the Service of Society (Programme of Strategy AV 21)

Member of the projects:

Selected past projects:

Principal investigator of the projects:

• Thulium fibre lasers for industrial and medical applications
• Diffractive optical elements for high power fiber lasers
• Mid-Infrared Radiation Generation, Delivery and Applications
• Widely tunable source in the mid-infrared spectroscopy and metrology
• Optical Packet Switch
• Coherent and spectral beam combining in  thulium doped fiber laser and amplifier array
• Components for high transmission rate all-optical networks
• Frequency resolved optical gating based on cross phase modulation in a microstructured optical fiber
• Modulational instability fiber laser

Member of the projects:

• Novel optical fibers and their spectroscopy for fiber lasers operating beyond 2 um
• European Action COST MP1401 Advanced fiber lasers
• Novel silica-based Ho -doped nanomaterials for 2-μm-class fibre laser research
• eyesafe2u - Fiber optic components for "eye-safe" spectral region around 2 um
• Tm-doped optical fibres for fibre lasers in 2 um spectral range
• FILA - Compact high-power passively Q-switched all-fiber lasers
• Raman fibre amplifiers with time-division multiplexed pumping
• Optical fibre amplifiers for digital optical network
• Bend sensing with long-period gratings inscribed by CO2 laser in conventional and microstructure optical fibers of selected types
• Thulium doped silica fibres for fibre amplifiers
• Novel approaches to reversible opto-electrochemical fibre sensing of chlorine in water
• Air-silica microstructure fibers for evanescent-wave chemical sensing
• Nonlinear effects in microstructure optical fibres and their potential applications for future communication systems
• Microstructure fibres for optical communications and sensors
• Optimization of data transmission at 10Gbit/s over G.652 fibres without the deployment of in-line EDFA's with respect to maximum transmission distance
• Wideband hybrid optical amplifiers for local area networks
• Air-silica microstructure fibres: methods of fabrication and characterisation
• Inverted graded-index fiber structures for evanescent-wave chemical sensing in the refractive-index

Supervised students:

M.S. Students:

• Pavel Škoda (graduated in 2008)
• Zdeněk Chmelař (graduated in 2005)
• Matěj Komanec, BSc.

Ph.D. Students:

• Aleš Kumpera
• Boleslav Vraný, MSc.

Publications:

Journal papers:

1. P. Honzátko, J. Čtyroký “Flat metal-dielectric grating with 100% retro-diffraction efficiency: rigorous theory”, Journal of Optics, Vol. 23, No. 1 (2021). Link
2. F. Todorov, J. Aubrecht, P. Peterka, O. Schreiber, A. A. Jasim, J. Mrázek, O. Podrazký, M. Kamrádek, N. Kanagaraj, M. Grábner, Y. Baravets, J. Cajzl, P. Koška, A. Fišar, I. Kašík, P. Honzátko "Active Optical Fibers and Components for Fiber Lasers Emitting in the 2-μm Spectral Range", Materials, 13, 5177 (2020). Link.
3. A. A. Jasim, O. Podrazký, P. Peterka, M. Kamrádek, I. Kašík, P. Honzátko “Impact of shaping optical fiber preforms based on grinding and a CO2 laser on the inner-cladding losses of shaped double-clad fibers”, Optics Express, Vol. 28, Issue 9, (2020). Link
4. J. Aubrecht, P. Peterka, P. Honzátko, O. Moravec, M. Kamrádek, I. Kašík “Broadband thulium-doped fiber ASE source”, Optics Letters, Vol. 45, No. 8 (2020). Link.
5. Y. Baravets, P. Dvořák, F. Todorov, J. Čtyroký, P. Peterka, P. Honzátko „Broadly tunable laser based on novel metallic resonant leaky-mode diffraction grating”, Optics Express 4340, Vol. 28 (2020). Link
6. I. Kašík, Vl. Matějec, M. Hayer, M. Kamrádek, O. Podrazký, J. Mrázek, P. Peterka, P. Honzátko „GLASS MATERIALS FOR OPTICAL FIBERS”, Ceramics-Silikáty 64 (1), 29-34 (2020). Link
7. A. Theodosiou, J. Aubrecht, P. Peterka, I. Kasik, F. Todorov, O. Moravec, P. Honzatko, K. Kalli, "Er/Yb double-clad fibre laser with fs-laser inscribed plane-by-plane chirped FBG laser mirrors," IEEE Photonics Technology Letters, vol. 31, issue 5, pp. 409-412
8. I. Kasik, M. Kamradek, J. Aubrecht, P. Peterka, O. Podrazky, J. Cajzl, J. Mrazek, P. Honzatko, Thulium-doped optical fibers for fiber lasers operating around 2 um, Bulletin of the Polish Academy of Sciences – Technical sciences, Vol. 67, No.5, 2019, DOI: 10.24425/bpasts.2019.130883   
9. N. Kanagaraj, A. Theodosiou, J. Aubrecht, P. Peterka, M. Kamrádek, K. Kalli, I. Kašík, P. Honzátko „All fiber mode-locked thulium-doped fiber laser using a novel femtosecond-laser-inscribed 45°-plane-by-plane-tilted fiber grating“, Laser Phys. Lett. 16, 095104 (2019). Link.  
10. M. Kamrádek, I. Kašík, J. Aubrecht, J. Mrázek, O. Podrazký, J. Cajzl, P. Vařák, V. Kubeček, P. Peterka, P. Honzátko „Nanoparticle and solution doping for efficient holmium fiber lasers“, IEEE Photonics Journal (2019). Link. 
11. M. Vanek, J. Ctyroky, P. Honzatko, "Leaky-mode resonant gratings on a fibre facet," Opt. Quant. Electron. (2018) 50: 50. link, link 2, 
12. P. Honzatko, Y. Baravets, and A. K. Myakalwar, "Single-frequency fiber laser based on a fiber ring resonator filter tunable in a broad range from 1023  nm to 1107  nm," Opt. Lett. 43, 1339-1342 (2018). link
13. Jan Aubrecht, Pavel Peterka, Pavel Koška, Ondřej Podrazký, Filip Todorov, Pavel Honzátko, and Ivan Kašík, "Self-swept holmium fiber laser near 2100 nm," Opt. Express 25, 4120-4125 (2017)
14. Martin Vanek, Jan Vanis, Yauhen Baravets, Filip Todorov, Jiri Ctyroky, and Pavel Honzatko, "High-power fiber laser with a polarizing diffraction grating milled on the facet of an optical fiber," Opt. Express 24, 30225-30233 (2016), link
15. Pavel Honzatko, Yauhen Baravets, Ivan Kasik, and Ondrej Podrazky, "Wideband thulium–holmium-doped fiber source with combined forward and backward amplified spontaneous emission at 1600–2300  nm spectral band," Opt. Lett. 39, 3650-3653 (2014), link
16. M. Písařík, P. Peterka, S. Zvánovec, Y. Baravets, F. Todorov, I. Kašík, P. Honzátko, "Fused fiber components for “eye-safe” spectral region around 2 um," Optical and Quantum Electronics, vol. 46, pp. 603-611, 2014, link, link 2
17. P. Honzatko, Y. Baravets, F. Todorov, Coherently combined power of 20 W at 2000 nm from a pair of thulium-doped fiber lasers, Laser Phys. Lett.  10,  095104,  2013, link, link 2,
18. P. Peterka, P. Honzátko, M. Becker, F. Todorov, M. Písařík, O. Podrazký, and I. Kašík, "Monolithic Tm-Doped Fiber Laser at 1951 nm with Deep-UV Femtosecond-Induced FBG Pair," IEEE Photonics Technology Letters, 25(16):1623-1625, 2013
19. P. Honzatko, Y. Baravets, F. Todorov, “A mode-locked thulium-doped fiber laser based on a nonlinear loop mirror,” Laser Phys. Lett. 10, 075103, 2013, doi: 10.1088/1612-2011/10/7/075103., link,
20. P. Peterka, P. Navrátil, J. Maria, B. Dussardier, R. Slavík, P. Honzátko, and V. Kubeček, Self-induced laser line sweeping in double-clad Yb-doped fiber-ring lasers, Laser Phys. Lett. 9, 445-450, 2012, link, link 2
21. B. Vrany, P. Honzatko, J. Kanka, Optimization of genetic algorithm for reconstruction of cross-phase modulation frequency-resolved optical gating data, Int. J. of Numerical Modelling-Electronic Networks Devices and Fields  24,  448-456, 2011, link, link 2
22. P. Honzatko, M. Karasek, 10 and 20 Gb/s all-optical RZ to NRZ modulation format and wavelength converter based on nonlinear optical loop mirror, Optics Communications  283, 2061-2065, 2010, link, link 2,
23. P. Honzatko, All-optical wavelength converter based on fiber cross-phase modulation and fiber Bragg grating, Optics Communications 283, 1744-1749, 2010, link, link 2,
24. M. Komanec, P. Honzatko, S. Zvanovec, "Single-shot all-optical sampling oscilloscope using a polarization-maintaining resonator for pulse replication," Microwave and Optical Technology Letters 52, 2452, 2010.
25. P. Peterka, J. Maria, B. Dussardier, R. Slavik, P. Honzatko, V. Kubecek, "Long-period fiber grating as wavelength selective element in double-clad Yb-doped fiber-ring lasers", Laser Physics Lett. 6, 732-736 (2009), link
26. A. Kumpera, P. Honzatko, R. Slavik, "Novel 160-GHz wavelength converter based on a SOA and a long period grating," Optics Commun. 9, 1775-1779 (2009), link
27. P. Honzatko, A. Kumpera, and P. Skoda, "Effects of polarization dependent gain and dynamic birefringence of the SOA on the performance of the ultrafast nonlinear interferometer gate," Opt. Express 15, 2541-2547 (2007), link, link 2
28. P. Honzatko, J. Kanka, B. Vrany, Measurement of pulse amplitude and phase using cross-phase modulation in microstructure fiber, Optics Lett. 30 (2005) 1821, link
29. P. Honzatko, J. Kanka, B. Vrany, Retrieval of the pulse amplitude and phase from cross-phase modulation spectrograms using the simulated annealing method, Optics Expr. 12, (2004) 6046-6052, link, link 2
30. M. Karasek, J. Kanka, P. Honzatko, et al., Channel addition-removal response in all-optical gain-clamped lumped Raman fiber amplifier, IEEE Photonic Tech. Lett. 16 (2004) 771, link
31. M. Karasek, J. Kanka, P. Honzatko, et al., Protection of surviving channels in all-optical gain-clamped lumped Raman fibre amplifier: modelling and experimentation, Opt. Commun. 231 (2004) 309, link
32. P. Honzatko, P. Peterka, J. Kanka: Three- and four-wave model of modulation instability fibre laser. J. of Optics A4 (2002) S135, link,
33. P. Honzatko, P. Peterka, J. Kanka: Modulational-instability sigma-resonator fiber laser, Opt. Lett. 26 (2001) 810, link
34. P. Peterka, I. Kasik, J. Kanka, P. Honzatko, V. Matejec, M. Hayer: Twin-core fiber design and preparation for easy splicing, IEEE Photonics Technol. Lett. 12 (2000) 1656
35. M. Hayer, V. Matejec, D. Berkova, I. Kasik, J. Kanka, P. Peterka, P. Honzatko: Effect of high-temperature treatment on optical properties of silica films doped with Al2O3, P2O5 and rare-earth elements, J. Sol-Gel Sci. Technol. 19 (2000) 293
36. J. Kanka, P. Peterka, P. Honzatko, V. Matejec, I. Kasik: Er-doped twin-core fibre coupler as a saturable-absorber-based narrow-band filter for fibre lasers, Czech. J. Phys. 49 (1999) 889
37. I. Kasik, V. Matejec, J. Kanka, P. Honzatko: Properties and fabrication of ytterbium-erbium co-doped silica fibres for high-power fibre lasers, Pure Appl. Opt. 7 (1998) 457
38. P. Honzatko: Homodyne detection of Kerr states, Quantum Semiclass. Opt. 9 (1997) 975, link
39. P. Honzatko: Interaction of two quasi-solitons in semiconductor-doped optical fibres, Opt. Commun. 127 (1996) 363, link
40. M. Komanec, P. Honzatko, S. Zvanovec, "Single-shot all-optical sampling oscilloscope using a polarization-maintaining resonator for pulse replication," Microwave and Optical Technology Letters 52, 2452, 2010.
41. B. Vrany, P. Honzatko, J. Kanka, "Optimization of genetic algorithm for reconstruction of cross-phase modulation frequency-resolved optical gating data," Int. J. Numer. Model. (2010), doi: 10.1002/jnm.790
42. P. Honzatko, M. Karasek, 10 and 20 Gb/s all-optical RZ to NRZ modulation format and wavelength converter based on nonlinear optical loop mirror, Optics Communications 283 (2010) 2061-2065, doi:10.1016/j.optcom.2010.01.019.
43. P. Honzatko, "All-optical wavelength converter based on fiber cross-phase modulation and fiber Bragg grating," Optics Communications 283 (2010) 1744-1749, doi:10.1016/j.optcom.2009.12.075.
44. P. Peterka, J. Maria, B. Dussardier, R. Slavik, P. Honzatko, V. Kubecek, "Long-period fiber grating as wavelength selective element in double-clad Yb-doped fiber-ring lasers", Laser Physics Lett. 6, 732-736 (2009).
45. Kumpera, A., Honzátko, P., Slavík, R. Novel 160-GHz wavelength converter based on a SOA and a long period grating (2009) Optics Communications, 282 (9), pp. 1775-1779.
46. Peterka, P., Kanka, J., Honzatko, P., Kacik, D. Measurement of chromatic dispersion of microstructure optical fibers using interferometric method (2008) Optica Applicata, 38 (2), pp. 295-303.
47. Karasek, M., Kanka, J., Honzatko, P., Vojtech, J., Radil, J. Multi-wavelength conversion at 10 Gb/s and 40 GHz based on nonlinear effects in HNLF (2007) Annales des Telecommunications/Annals of Telecommunications, 62 (7-8), pp. 925-937.
48. Honzatko, P., Kumpera, A., Skoda, P. Effects of polarization dependent gain and dynamic birefringence of the SOA on the performance of the ultrafast nonlinear interferometer gate (2007) Optics Express, 15 (5), pp. 2541-2547. Cited 1 time.
49. Honzatko, P., Kanka, J., Vrany, B. Measurement of pulse amplitude and phase using cross-phase modulation in microstructure fiber (2005) Optics Letters, 30 (14), pp. 1821-1823. Cited 4 times.
50. Honzatko, P., Kanka, J., Vrany, B. Retrieval of the pulse amplitude and phase from cross-phase modulation spectrograms using the simulated annealing method (2004) Optics Express, 12 (24), pp. 6046-6052. Cited 3 times.
51. Karasek, M., Kanka, J., Honzatko, P., Peterka, P. Modelling of a pump-power-controlled gain-locking system for multi-pump wideband Raman fibre amplifiers (2004) IEE Proceedings: Optoelectronics, 151 (2), pp. 74-80. Cited 6 times.
52. Karasek, M., Kanka, J., Honzatko, P., Peterka, P. Time-domain simulation of power transients in Raman fibre amplifiers (2004) International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 17 (2), pp. 165-176. Cited 5 times.
53. Karasek, M., Kanka, J., Honzatko, P., Radil, J. Channel Addition-Removal Response in All-Optical Gain-Clamped Lumped Raman Fiber Amplifier (2004) IEEE Photonics Technology Letters, 16 (3), pp. 771-773. Cited 9 times.
54. Karasek, M., Kanka, J., Honzatko, P., Radil, J. Protection of surviving channels in all-optical gain-clamped lumped Raman fibre amplifier: Modelling and experimentation (2004) Optics Communications, 231 (1-6), pp. 309-317. Cited 8 times.
55. Kasik, I., Matejec, V., Kanka, J., Peterka, P., Honzatko, P., Langrova, A. Using aerosol-based techniques and solution-doping for the fabrication of optical fibers for fiber lasers (2002) Revue Roumaine de Chimie, 47 (12), pp. 1241-1245.
56. Honzatko, P., Peterka, P., Kanka, J. Three- and four-wave model of modulation instability fibre laser (2002) Journal of Optics A: Pure and Applied Optics, 4 (5), pp. S135-S139. Cited 1 time.
57. Honzatko, P., Peterka, P., Kanka, J. Modulational-instability sigma-resonator fiber laser (2001) Optics Letters, 26 (11), pp. 810-812. Cited 8 times.
58. Hayer, M., Matejec, V., Berkova, D., Kasik, I., Kanka, J., Peterka, P., Honzatko, P. Effect of high-temperature treatment on optical properties of silica films doped with Al2O3, P2O5 and rare-earth elements (2000) Journal of Sol-Gel Science and Technology, 19 (1-3), pp. 293-296. Cited 1 time.
59. Peterka, P., Kasik, I., Kanka, J., Honzatko, P., Matejec, V., Hayer, M. Twin-core fiber design and preparation for easy splicing (2000) IEEE Photonics Technology Letters, 12 (12), pp. 1656-1658. Cited 7 times.
60. Kanka, J., Peterka, P., Honzatko, P., Matejec, V., Kasik, I. Er-doped twin-core fibre coupler as a saturable-absorber-based narrow-band filter for fibre lasers (1999) Czechoslovak Journal of Physics, 49 (5), pp. 889-894. Cited 4 times.
61. Kasik, I., Matejec, V., Kanka, J., Honzatko, P. Properties and fabrication of ytterbium-erbium co-doped silica fibres for high-power fibre lasers (1998) Pure and Applied Optics (Print edition) (United Kingdom), 7 (3), pp. 457-465. Cited 7 times.
62. Honzatko, P. Homodyne detection of Kerr states (1997) Journal of Optics B: Quantum and Semiclassical Optics, 9 (6), pp. 975-985.
63. Honzatko, P. Interaction of two quasi-solitons in semiconductor-doped optical fibres (1996) Optics Communications, 127 (4-6), pp. 363-371. Cited 8 times.

Conference papers:

1. Pavel Honzátko, Yauhen Baravets, Shyamal Mondal, Pavel Peterka, Filip Todorov: Coherent sources for mid-infrared laser spectroscopy, Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014202 (2016); doi:10.1117/12.2263504, Link to SPIE site, 
2. Karasek, M., Honzatko, P., Radil, J., Vojtech, J. Multi-wavelength conversion at 10 Gb/s and 40 GHz using a hybrid integrated SOA mach-zehnder interferometer (2008) Proceedings of 2008 10th Anniversary International Conference on Transparent Optical Networks, ICTON, 1, art. no. 4598389, pp. 132-135.
3. Peterka, P., Kašík, I., Matejec, V., Karásek, M., Kaňka, J., Honzátko, P., Kubeček, V. Amplifier performance of double-clad Er/Yb-doped fiber with cross-section tailored for direct splicing to the pump and signal fibers (2007) OFC/NFOEC 2007 - Optical Fiber Communication and the National Fiber Optic Engineers Conference 2007, art. no. 4348396.
4. Honzátko, P., Slavík, R., Kumpera, A., Škoda, P. Phase-to-amplitude conversion using long period fiber grating for wavelength conversion at 160 Gb/s (2007) Conference on Lasers and Electro-Optics Europe - Technical Digest, art. no. 4386423.
5. Martan, T., Honzatko, P., Kanka, J., Novotny, K. Workplace for manufacturing devices based on optical fiber tapers (2007) Proceedings of SPIE - The International Society for Optical Engineering, 6609, art. no. 66090K.
6. Karasek, M., Kanka, J., Honzatko, P., Vojtech, J., Radil, J. 10 Gb/s and 40 Gb/s multi-wavelength conversion based on nonlinear effects in HNLF (2006) 2006 International Conference on Transparent Optical Networks, 1, art. no. 4013678, pp. 155-161. Cited 1 time.
7. Matejec, V., Hayer, M., Kasik, I., Mrazek, J., Peterka, P., Kanka, J., Honzatko, P. Microstructure fibers for the development of fiber lasers (2006) Proceedings of SPIE - The International Society for Optical Engineering, 6180, art. no. 61800Z.
8. Peterka, P., Kasik, I., Kubecek, V., Matejec, V., Hayer, M., Honzatko, P., Zavadilova, A., Dvoracek, P. Optimization of erbium-ytterbium fibre laser with simple double-clad structure (2006) Proceedings of SPIE - The International Society for Optical Engineering, 6180, art. no. 618010. Cited 1 time.
9. Vrany, B., Honzatko, P., Kanka, J. Optimization of reconstruction algorithm for cross-phase modulation frequency-resolve optical gating in a high birefringence microstructured fiber (2006) Proceedings of SPIE - The International Society for Optical Engineering, 6180, art. no. 618012.
10. Matejec, V., Mrazek, J., Hayer, M., Kasik, I., Peterka, P., Kanka, J., Honzatko, P., Berkova, D. Microstructure fibers for gas detection (2006) Materials Science and Engineering C, 26 (2-3), pp. 317-321. Cited 6 times.
11. Peterka, P., Honzatko, P., Kanka, J., Matejec, V., Kasik, I. Generation of high repetition rate pulse trains in a fiber laser through a twin-core fiber (2002) Proceedings of SPIE - The International Society for Optical Engineering, 5036, pp. 376-381.
12. Kanka, Jiri, Honzatko, Pavel, Peterka, Pavel, Kasik, Ivan, Matejec, Vlastimil Line-narrowing and wavelength stabilization in a tunable Er-Yb fibre ring laser with an Er twin-core fibre (2000) Proceedings of SPIE - The International Society for Optical Engineering, 4016, pp. 315-319. Cited 2 times.
13. Peterka, Pavel, Kanka, Jiri, Karasek, Miroslav, Honzatko, Pavel, Abdelmalek, Fethi Characterization and modelling of Er/Yb codoped fibres (2000) Proceedings of SPIE - The International Society for Optical Engineering, 4016, pp. 282-287. Cited 4 times.