Degrees: Dipl.-Phys.

Abschlüsse: 2006 Diplom in Physik an der Universität Braunschweig (TU) bei Prof. Dr. G. Nachtwei

Awards: 2008 CSNDSP Conference Best Paper Award (award ceremony)

Selected for: Finalist for the Infinera award in Optoelectronic Devices category at the Optical Fiber Communication Conference (OFC/NFOEC) , March 22-26, 2009 in San Diego. http://compoundsemiconductor.net/blog/2009/03/20_students_vie_for_infinera_o.html

Present Research Interests:
Quantum Dot Semiconductor Optical Amplifiers for linear and non-linear applications, TRIUMPH Router: Project Management and Router Implementation

 

 

 

 

 

Journals:

'Linear semiconductor optical amplifiers for amplification of advanced modulation formats'
Bonk, R.; Huber, G.; Vallaitis, T.; Koenig, S.; Schmogrow, R.; Hillerkuss, D.; Brenot, R.; Lelarge, F.; Duan, G.-H.; Sygletos, S.; Koos, C.; Freude, W.; Leuthold, J.
Optics Express, April 2012 

'The Input Power Dynamic Range of a Semiconductor Optical Amplifier and Its Relevance for Access Network Applications'
Bonk, R.; Vallaitis, T.; Guetlein, J.; Meuer, C.; Schmeckebier, H.; Bimberg, D.; Koos, C.; Freude, W.; Leuthold, J.
Photonic Journal, IEEE 3 1039 - 1053, Oct. 2011
doi:10.1109/JPHOT.2011.2172787

'26 Tbit s−1 line-rate super-channel transmission utilizing all-optical fast Fourier transform processing'
Hillerkuss, D.; Schmogrow, R.; Schellinger, T.; Jordan, M.; Winter, M.; Huber, G.; Vallaitis, T.; Bonk, R.; Kleinow, P.; Frey, F.; Roeger, M.; Koenig, S.; Ludwig, A.; Marculescu, A.; Li, J.; Hoh, M.; Dreschmann, M.; Meyer, J.; Ben Ezra, S.; Narkiss, N.; Nebendahl, B.; Parmigiani, F.; Petropoulos, P.; Resan, B.; Oehler, A.; Weingarten, K.; Ellermeyer, T.; Lutz, J.; Moeller, M.; Huebner, M.; Becker, J.; Koos, C.; Freude, W. & Leuthold J.
Nature Photonics 5 364–371, June 2011; Published online May 22, 2011,
doi:10.1038/nphoton.2011.74

'80 Gb/s wavelength conversion using a quantum-dot semiconductor optical amplifier and optical filtering'
Meuer C., Schmidt-Langhorst C., Bonk R., Schmeckebier H., Arsenijević D., Fiol G., Galperin A., Leuthold J., Schubert C., Bimberg D.;
Optics Express 19 5134-5142, March 2011      
doi:10.1364/OE.19.005134

'An All-Optical Grooming Switch for Interconnecting Access and Metro Ring Networks'
Bonk R., Vorreau P., Hillerkuss D., Freude W., Zarris G., Simeonidou D., Parmigiani F., Petropoulos P., Weerasuriya R., Ibrahim S., Ellis A. D., Klonidis D., Tomkos I., Leuthold J.;
Journal of Optical Communications and Networking 3 206–214, March 2011 [invited]
doi:10.1364/JOCN.3.000206

'Quantum dot SOA input power dynamic range improvement for differential-phase encoded signals'
Vallaitis T., Bonk R., Guetlein J., Hillerkuss D., Li J., Brenot R., Lelarge F., Duan G. H., Freude W. Leuthold, J.;
Opt. Express 18 6270–6276, March 2010
doi:10.1364/OE.18.006270

'Filter Assisted Wavelength Conversion With Quantum-Dot SOAs'
Sygletos S., Bonk R., Vallaitis T., Marculescu A., Vorreau P., Li J., Brenot R., Lelarge F., Duan G.-H., Freude W., Leuthold J.;
J. Lightw. Technol. 28 882–897, March 2010
doi 10.1109/JLT.2010.2040457

'Optical grooming switch with regenerative functionality for transparent interconnection of networks'
Vorreau P., Sygletos S., Parmigiani F., Hillerkuss D., Bonk R., Petropoulos P., Richardson D. J., Zarris G., Simeonidou D., Klonidis D., Tomkos I., Weerasuriya R., Ibrahim S., Ellis A. D., Cotter D., Morais R., Monteiro P., Ben Ezra S., Tsadka S., Freude W., Leuthold J.;
Optics Express 17 15173-15185, August 2009

“High-speed small-signal cross-gain modulation in quantum-dot semiconductor optical amplifiers at 1.3μm,” C. Meuer, J. Kim, M. Laemmlin, S. Liebich, G. Eisenstein, R. Bonk, T. Vallaitis, J. Leuthold, A. Kovsh, I. Krestnikov, and D. Bimberg, IEEE J. Sel. Top. Quantum Electron. 15, 749–756 (2009)

'40 GHz small-signal cross-gain modulation in 1.3 µm quantum dot semiconductor optical amplifier';
Meuer C.; Kim J.; Laemmlin M.; Liebich S.; Bimberg D.; Capua A.; Eisenstein G.; Bonk R.; Vallaitis T.; Leuthold J.; Kovsh A.R.; Krestnikov I.L.;
Appl. Phys. Lett., Vol. 93, pp. 051110, 2008

'Slow and fast dynamics of gain and phase in a quantum dot semiconductor optical amplifier';
Vallaitis T.; Koos C.; Bonk R.; Freude W.; Laemmlin M.; Meuer C.; Bimberg D.; Leuthold J.;
Opt. Express 16 170-178, Jan. 2008

'Optical interconnection of core and metro networks '; [Invited],
A. D. Ellis, D. Cotter, S. Ibrahim, R. Weerasuriya, C. W. Chow, J. Leuthold, W. Freude, S. Sygletos, P. Vorreau, R. Bonk,
D. Hillerkuss, I. Tomkos, A. Tzanakaki, C. Kouloumentas, D. J. Richardson, P. Petropoulos, F. Parmigiani, G. Zarris, and D. Simeonidou
J. Opt. Netw. 7, 928-935, 2008

'Time- and spectrally resolved terahertz photoconductivity of quantum Hall systems';
Stellmach C.; Vasile G.; Hirsch A.; Bonk R.; Vasilyev Yu.B.; Hein G.; Becker C.R.; Nachtwei G.;
Phys. Rev. B, Vol. 76, pp. 035341-1 - 035341-8, (2007)

'Terahertz photoconductivity in GaAs/AlGaAs and HgTe/HgCdTe quantum Hall devices';
Stellmach C.; Bonk R.; Vasilyev Y. B.; Hirsch A.; Hein G.; Becker C. R.; Nachtwei G.;
Phys. Stat. Sol. C, Vol. 3, No. 7, pp. 2510-2513 (2006)

Conferences:

'Silicon nanophotonics and silicon-organic hybrid (SOH) integration'
Koos, C; Alloatti, L.; Korn, D.; Palmer, R.; Vallaitis, T.; Bonk, R.; Hillerkuss, D.; Li, J.; Bogaerts, W.; Dumon, P.; Baetes, R.; Scimeca, M.L.; Biaggio, I.; Barklund, A.; Dinu, R.; Wieland, J.; Fournier, M.; Fedeli, J.; Freude, W.; Leuthold, J.
Gerneral Assembly and Scientific Symposium, 2011 XXXth URSI Istanbul August 2011
doi: 10.1109/URSIGASS.2011.6050595

‘Semiconductor Optical Amplifiers in Extended Reach PONs’
Leuthhold, J.; Freude, W.; Koos, C.; Bonk, R.; Koenig, S.; Hillerkuss, D. and Schmogrow, R.
Slow and Fast Light (SL) Topical Meeting of the OSA, Toronto, Canada,
in Access Networks and In-house Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper ATuA1, June 2011 [invited]

'All-optical Real-time OFDM Transmitter and Receiver'
Freude, W.; Hillerkuss, D.; Schellinger, T.; Schmogrow, R.; Winter, M.; Vallaitis, T.; Bonk, R.; Marculescu, A.; Li, J.; Dreschmann, M.; Meyer, J.; Ben Ezra, S.; Caspi, J. M.; Nebendahl, B.; Parmigiani, F.; Petropoulos, P.; Resan, B.; Oehler, A.; Weingarten, K.; Ellermeyer, T.; Lutz, J.; Möller, M.; Huebner, M.; Becker, J.; Koos, C.; Leuthold, J.:
Conf. on Lasers and Electro-Optics (CLEO/IQEC'11), Baltimore (MD), Paper CTh01, May 2011

'Photonic Waveguide Bonds - A Novel Concept for Chip-to-Chip Interconnects'
Lindenmann N., Kaiser I., Balthasar G., Bonk R., Hillerkuss D., Freude W., Leuthold J., Koos C.;
Proc. Optical Fiber Communication Coference (OFC'11), Los Angeles (CA), USA, Paper PDPC1, March 2011

'Impact of alfa-factor on SOA Dynamic Range for 20GBd BPSK, QPSK and 16-QAM Signals'
Bonk R., Huber G., Vallaitis T., Schmogrow R.,  Hillerkuss D., Koos C., Freude W., Leuthold J.;
Proc. Optical Fiber Communication Conference (OFC'11), Los Angeles (CA), USA, Paper OML4, March 2011

'Rival Signals in SOA Reach-Extended WDM-TDM-GPON Converged with RoF'
Koenig S.,  Hoh M., Bonk R., Wang H., Pahl P., Zwick T., Koos C., Freude W., Leuthold J.;
Proc. Optical Fiber Communication Conference (OFC'11), Los Angeles (CA), USA, Paper OWT1, March 2011

'Orthogonal frequency division multiplexing (OFDM) in photonic communications'
Freude, W.; Hillerkuss, D.; Schellinger, T.; Schmogrow, R.; Winter, M.; Vallaitis, T.; Bonk, R.; Marculescu, A.; Li, J.; Dreschmann, M.; Meyer, J.; Ben Ezra, S.; Caspi, M.; Nebendahl, B.; Parmigiani, F.; Petropoulos, P.; Resan, B.; Oehler, A.; Weingarten, K.; Ellermeyer, T.; Lutz, J.; Möller, M.; Huebner, M.; Becker, J.; Koos, C.; Leuthold, J.;
10th Intern. Conf. on Fiber Optics & Photonics (Photonics'08), Indian Institute of Technology Guwahati (IIT Guwahati), Guwahati, Assam, India, December 11–15, 2010 [invited]

'High-speed signal processing with silicon-organic hybrid devices'
Freude W., Alloatti L., Vallaitis T., Korn D., Hillerkuss D., Bonk R., Palmer R., Li J., Schellinger T., Fournier M., Fedeli J., BogaertsW., Dumon P., Baets R., Barklund A., Dinu R., Wieland J., Scimeca M. L.;
European Optical Society Annual Meeting (EOS’10), Parc Floral De Paris, France, October 2010 [ invited]

'Silicon High-Speed Electro-Optic Modulator'
Alloatti L., Korn D., Hillerkuss D., Vallaitis T., Li J., Bonk R., Palmer R., Schellinger T., Barklund A., Dinu R., Wieland J.,Fournier M., Fedeli J., Bogaerts W., Dumon P., Baets R., Koos C., Freude W., LeutholdJ.;
Group IV Photonics 2010, China, paper ThC2 Sept. 2010

'40 Gbit/s Silicon-Organic Hybrid (SOH) Phase Modulator'
Alloatti L., Korn D., Hillerkuss D., Vallaitis T., Li J., Bonk R., Palmer R., Schellinger T., Barklund A., Dinu R., Wieland J., Fournier M., Fedeli J., Dumon P., Baets R., Koos C., Freude W., Leuthold J.;
ECOC 2010, Torino, Italy, Paper Tu.5.C.4, September 2010

'Optical and Electrical Power Dynamic Range of Semiconductor Optical Amplifiers in Radio-over-Fiber Networks'
Koenig S., Pfeifle J., Bonk R., Vallaitis T., Meuer C., Bimberg D., Koos C., Freude W., Leuthold J.;
ECOC 2010, Torino, Italy, Paper Th.10.B.6, September 2010

'All-optical FTT signal processing of a 10.8 Tb/s single channel OFDM signal'
Leuthold J., Winter M., Freude W., Koos C., Hillerkuss D., Schellinger T., Schmogrow R., Vallaitis T., Bonk R., Marculescu A., Li J., Dreschmann M., Meyer J., Huebner M., Becker J., Ben Ezra S., Narkiss N., Nebendahl B., Parmigiani F., Petropoulos P., Resan B., Oehler A., Weingarten K., Ellermeyer T., Lutz J., Möller M.;
Photonics in Switching (PS), OSA Technical Digest (CD) (Optical Society of America), paper PWC1, July 25-28, 2010 [invited]

'Linear and nonlinear semiconductor optical amplifiers'
Freude W., Bonk R., Vallaitis T., Marculescu A., Kapoor A., Sharma E.  K., Meuer C., Bimberg D., Brenot R., Lelarge F., Duan G.-H., Leuthold J.;
Proc. 12th Intern. Conf. on Transparent Optical Networks (ICTON'10), München, Germany, Paper We.D4.1, June 27–July 1, 2010 [invited]

'Optimizing SOA for large input power dynamic range with respect to applications in extended GPON'
Vallaitis T., Bonk R., Guetlein J., Meuer C.,Hillerkuss D., Freude W., Bimberg D., Leuthold J.;
OSA Topical Meeting: Access Networks and In-house Communications (ANIC), Paper AThC4, June 2010

'Experimental investigation of multi-wavelength clock recovery based on a quantum-dot SOA at 40 Gb/s'
Spyropoulou M., Bonk R., Hillerkuss D., Pleros N., Vallaitis T., Freude W., Tomkos I., Leuthold J.;
OSA Optics & Photonics Congress, Karlsruhe, Germany, Paper SPTuB4, June 2010

Single source optical OFDM transmitter and optical FFT receiver demonstrated at line rates of 5.4 and 10.8 Tbit/s' 
Hillerkuss D., Schellinger T., Schmogrow R., Winter M., Vallaitis T., Bonk R., Marculescu, A., Li J., Dreschmann M., Meyer J., Ben Ezra S., Narkiss N., Nebendahl B., Parmigiani F., Petropoulos P., Resan B., Weingarten K., Ellermeyer T.,  Lutz J., Möller M., Hübner M., Becker J., Koos C., Freude W., Leuthold J.;
Optical Fiber Communication Conference (OFC'10), San Diego (CA), USA, Postdeadline Paper PDPC1, March 2010

'Semiconductor optical amplifiers (SOA) for linear and nonlinear applications'
Freude W., Bonk R., Vallaitis T., Marculescu A., Kapoor A., Meuer C., Bimberg D., Brenot R., Lelarge F., Duan G.-H., Leuthold J.;
DPG Spring Meeting, Deutsche Physikalische Gesellschaft, Regensburg, Paper DS 296 7.2, March 2010 [invited]

'Linear and nonlinear semiconductor optical amplifiers'
Leuthold J., Bonk R., Vallaitis T., Marculescu A., Freude W., Meuer, C., Bimberg D., Brenot R., Lelarge F., Duan G.-H.;
Proc. Optical Fiber Communication Conference (OFC'10), San Diego (CA), USA, Paper OThI3, March 2010 [invited]

'All-optical wavelength conversion of 56 Gbit/s NRZ-DQPSK signals in silicon-organic hybrid strip waveguides'
Vallaitis T., Bonk R., Guetlein J., Hillerkuss D., Li J., Freude W., Leuthold J., Koos C., Scimeca M. L., Biaggio I., Diederich F., Breiten B., Dumon P., Baets R.;
Proc. Optical Fiber Communication Conference (OFC'10), San Diego (CA), USA, Paper OTuN1, March.2010

'All-optical grooming for 100 Gbit/s Ethernet'
Leuthold J., Bonk R., Vorreau P., Sygletos S., Hillerkuss D., Freude W., Zarris G., Simeonidou D., Kouloumentas C., Spyropoulou M., Tomkos I., Parmigiani F., Petropoulos, P., Richardson, D. J., Weerasuriya, R., Ibrahim, S., Ellis, A. D., Morais, R., Monteiro, P., Ben Ezra, S., Tsadka, S.;
SPIE Photonics West, San Francisco (CA), USA, Paper 7621-07, Jan. 2010
doi:10.1117/12.849029 [invited]

'Quantum dot SOA dynamic range improvement for phase modulated signals'
Bonk R., Vallaitis T., Guetlein J., Hillerkuss D., Li J., Freude W., Leuthold J.;
Proc. Optical Fiber Communication Conference (OFC'10), San Diego (CA), USA, Paper OThK3, March 2010

'All-Optical Regeneration'
Leuthold J., Freude W., Sygletos S., Bonk R., Vallaitis T., Marculescu, A.;
Asia Communications and Photonics Conference and Exhibition (ACP), Shanghai, China, Paper TuK1, Nov. 2-6, 2009

'All-optical wavelength conversion using cross-phase modulation at 42.7 Gbit/s in silicon-organic hybrid (SOH) waveguides'
Vallaitis T., Hillerkuss D., Li J.-S., Bonk R., Lindenmann N., Dumon P., Baets R., Scimeca M. L., Biaggio I., Diederich F., Koos C., Freude W., Leuthold J.;
Proc. Intern. Conf. on Photonics in Switching (PS'09), Pisa, Italy, Postdeadline Paper PDP3, Sept. 15–19, 2009

'Optimum filtering schemes for performing wavelength conversion with QD-SOA'
Sygletos S., Bonk R., Vallaitis T., Marculescu A., Vorreau P., Li J., Brenot R., Lelarge F., Duan G. H., Freude W., Leuthold J.;
Proc. 11th Intern. Conf. on Transparent Optical Networks (ICTON'09), Ponta Delgada, Island of São Miguel, Portugal, Paper Mo.C1.3, Vol.1, pp.1–4, June 28 – July 2, 2009 [invited]

'An all-optical grooming switch with regenerative capabilities'
Leuthold J., Bonk R., Vorreau P., Sygletos S., Hillerkuss D., Freude W., Zarris G., Simeonidou D., Kouloumentas C., Spyropoulou M., Tomkos I., Parmigiani F., Petropoulos P., Richardson D. J., Weerasuriya R., Ibrahim S., Ellis A. D., Meuer C., Bimberg D., Morais R., Monteiro P., Ben Ezra S., Tsadka S.;
Proc. 11th Intern. Conf. on Transparent Optical Networks (ICTON'09), Ponta Delgada, Island of São Miguel, Portugal, Paper We.A3.4, Vol. 3, pp. 1–4, June 28 – July 2, 2009 [invited]

'Optimum Filter for Wavelength Conversion with QD-SOA,'
Bonk, R.; Sygletos, S.; Brenot, R.; Vallaitis, T.; Marculescu, A.; Vorreau, P.; Li, J.; Freude, W.; Lelarge, F.; Duan, G.-H.; Leuthold, J.
CLEO/IQEC 2009, Baltimore (Maryland), USA, 31.5.–5.6.2009. Paper CMC6

Field trial of WDM-OTDM transmultiplexing employing photonic switch fabric-based buffer-less bit-interleaved data grooming and all-optical regeneration
Zarris, G.; Parmigiani, F.; Hugues-Salas, E.; Weerasuriya, R.; Hillerkuss, D.; Amaya Gonzalez, N.; Spyropoulou, M.; Vorreau, P.; Morais, R.; Ibrahim, S. K.; Klonidis, D.;
Petropoulos, P.; Ellis, A. D.; Monteiro, P.; Tzanakaki, A.; Richardson, D.; Tomkos, I.; Bonk,  R.; Freude, W.; Leuthold, J.; Simeonidou, D.:, 
Optical Fiber Communication Conference (OFC'09), San Diego (CA), USA, 22.–26.03.2009. Postdeadline Paper 1.    

“Quantum-dot semiconductor optical booster amplifier with ultrafast gain recovery for pattern-effect free amplification of 80 Gb/s RZ-OOK data signals,”C. Schmidt-Langhorst, C. Meuer, R. Ludwig, D. Puris, R. Bonk, T. Vallaitis, D. Bimberg, K. Petermann, J. Leuthold, and C. Schubert, “Quantum-dot semiconductor optical booster amplifier with ultrafast gain recovery for pattern-effect free amplification of 80 Gb/s RZ-OOK data signals,” in Optical Communication, 2009. ECOC 2009. 35th European Conference on, Vienna, Austria, Sep. 20–24 2009, paper We6.2.1.PDPC10

 

 

'Amplitude and Phase Dynamics in Silicon Compatible Waveguides with Highest Kerr-Nonlinearities'
Lindenmann N., Vallaitis T., Bonk R., Koos C., Freude W., Leuthold J.;
AMOP Spring Meeting, Deutsche Physikalische Gesellschaft, DPG Quantum Optics and Photonics Section, Hamburg, 02.-06.03.2009. Paper Q 57.4

'1.3/ 1.5 µm QD-SOAs for WDM/TDM GPON with Extended Reach and Large Upstream/Downstream Dynamic Range';
Bonk R.; Brenot R.; Meuer C.; Vallaitis T.; Tussupov A.; Rode J. C.; Sygletos S.; Vorreau P.; Lelarge F.;
Duan G. H.; Krimmel H.-G.; Pfeiffer Th.; Bimberg D.; Freude W.; Leuthold J.;
Proc. Opt. Fiber Communication Conf. (OFC'09), San Diego, USA; OWQ1, accepted for publication

'All-Optical Wavelength Conversion at 42.7Gbit/s in a 4mm Long Silicon-Organic Hybrid Waveguide';
Vallaitis T.; Heine C.; Bonk R.; Freude W.; Leuthold J.; Koos C.; Esembeson B.; Biaggio I.; Michinobu T.;
Diederich F.; Dumon P.; Baets R.;
Proc. Opt. Fiber Communication Conf. (OFC'09), San Diego, USA; OWS3, accepted for publication

'2R/3R Optical Grooming Switch with Time-Slot Interchange'
Vorreau P.; Hillerkuss D.; Parmigiani F.; Sygletos S.; Bonk R.; Petropoulos P.; Richardson D.; Zarris G.; Simeonidou D.;
Klonidis D.; Tomkos I.; Weerasuriya R.; Ibrahim S.; Ellis A.; Morais R.; Monteiro R.; Ben Ezra S.; Tsadka S.; Freude W.; Leuthold J.;
Proc. of 34rd European Conference on Optical Communication, (ECOC'08), Brüssel, Sept. 2008

'Single and Multiple Channel Operation Dynamics of Linear Quantum-Dot Semiconductor Optical Amplifier';
Bonk R.; Meuer C.;Vallaitis T.; Sygletos S.; Vorreau P.; Ben-Ezra S.; Tsadka S.; Kovsh A. R.; Krestnikov I.L.; Laemmlin M.; Bimberg D.; Freude W.; Leuthold J.;
Proc. of 34rd European Conference on Optical Communication, (ECOC'08), Brüssel, Th1.C2, Sept. 2008

'Performance Analysis of an Interferometric Scheme for Media with Limited Cross-Phase Modulation Nonlinearity';
Bonk R.; Sygletos S.; Vorreau P.; Vallaitis T.; Wang J.; Freude W.; Brenot R.; Lelarge F.; Duan G.H.; Leuthold J.;
6th Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2008, Graz, Austria, PCSN-15, July 2008

'A Wavelength Conversion Scheme Based on a Quantum-Dot Semiconductor Optical Amplifier and a Delay Interferometer';
Sygletos S.; Bonk R..; Vorreau P.; Vallaitis T.; Wang J.; Freude W.; Meuer C.; Bimberg D.; Brenot R.; Lelarge F.; Duan G.H.; Leuthold J.;
Proc. 10th Intern. Conf. on Transparent Optical Networks (ICTON'08), Athens, Greece, Paper We.B2.5, pp. 149-152 (invited), June 2008

An All-Optical Grooming Switch to Interconnect Access and Metro Ring Networks
Leuthold, J.; Freude, W., Sygletos, S.; Vorreau, P.; Bonk, R.; Hillerkuss, D; Tomkos, I.; Tzanakaki, A.; Kouloumentas,
C.Ö Richardson, D.J.; Petropouos, P.; Parmigiani, F.; Ellis, A.; Cotter, D.; Ibrahim, S.; Weerasuriya. R.;
Proc. 10th International Conference on Transparent Optical Networks (ICTON‘2008); Athens, Greece, paper We.C3.4, June 2008

'High Speed Cross Gain Modulation using Quantum Dot Semiconductor Optical Amplifiers at 1.3μm';
Meuer C.; Laemmlin M.; Liebich S.; Kim J.; D. Bimberg D.; Capua A.; Eisenstein G.; Bonk R.; Vallaitis T.; Leuthold J.;
Proc. Conference on Lasers and Electro-Optics 2008 (CLEO/QELS'08), San Jose, CA, USA, CTuH2, May 2008

'An Interferometric Configuration for Performing Cross-Gain Modulation with Improved Signal Quality';
Bonk R.; Vorreau P.; Sygletos S.; Vallaitis T.; Wang J.; Freude W.; Brenot R.; Lelarge F.; Duan G. H.; Meuer C.; Liebich S.; Laemmlin M.; Bimberg D.; Leuthold J.;
Proc. Opt. Fiber Communication Conf. (OFC'08), San Diego, USA; JWA70, Feb. 2008

'Quantum Dot Semiconductor Optical Amplifier at 1.3μm for Ultra-Fast Cross-Gain Modulation';
Vallaitis T.; Koos C.; Bolles B.-A.; Bonk R.; Freude W.; Laemmlin M.; Meuer C.; Bimberg D.; Leuthold J.;
Proc. 33th European Conf. Opt. Commun. (ECOC'07), Berlin, Germany, Paper We8.6.5, Sept. 2007

'New approaches to perform all-optical signal regeneration';
Leuthold J.; Wang J.; Vallaitis T.; Koos Ch.; Bonk R.; Marculescu A.; Vorreau P.; Sygletos S.; Freude W.;
Proc. 9th Intern. Conf. on Transparent Optical Networks (ICTON'07), Rome, Italy, Paper We.D2.1, pp. 222-225 (invited), July 2007

'Multi-wavelength regenerative amplification based on quantum-dot semiconductor optical amplifiers';
Sygletos S.; Spyropoulou M.; Vorreau P.; Bonk R.; Tomkos I.; Freude W.; Leuthold J.;
Proc. 9th Intern. Conf. on Transparent Optical Networks (ICTON'07), Rome, Italy, Paper We.D2.5, pp. 234-237 (invited) July 2007

'Gain and phase dynamics in an InAs/GaAs quantum dot amplifier at 1300 nm';
Koos C.; Vallaitis T.; Bolles B.-A.; Bonk R.; Freude W.; Laemmlin M.; Meuer C.; Bimberg D.; Ellis A.; Leuthold J.;
Proc. Conference on Lasers and Electro-Optics Europe (CLEO/Europe-IQEC'07), Paper CI3-1TUE, Munich, Germany, June 2007

'Regenerative Properties of Bulk and Quantum Dot SOA Based All-Optical Mach-Zehnder Interferometer DPSK Wavelength Converters';
Wang J.; Jiao Y.; Bonk R.; Freude W.; Leuthold J.;
Proc. International Conference on Photonics in Switching 2006, Herakleion (Crete), Greece, Oct. 2006

'Fast relaxation of the THz photoconductivity in quantum Hall devices with spectral tunability';
Stellmach C.; Bonk R.; Vasilyev Y. B.; Hirsch A.; Hein G.; Becker C. R.; Nachtwei G.;
Proc. of 8th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS-8), Feb. 2006

'Fast and Tunable Photodetectors for Terahertz Radiation based on the Landau Quantization at HgTe/HgCdTe Heterojunctions';
Bonk R.; Stellmach C.; Vasilyev Yu. B.; Becker C. R.; Hein G.; Vasile G.; Nachtwei G.;
Proc. 28th International Conference on the Physics of Semiconductors (ICPS-28), Vienna, Austria, Poster WeA2g.3, July 2006

'All-Optical Regeneration';
Leuthold J.; Freude W.; Boettger G.; Wang J.; Marculescu; Vorreau P.; Bonk R.
Proc. 8th Intern. Conf. on Transparent Optical Networks (ICTON'06), Nottingham, UK, June 2006 (invited)

'Photoconductivity measurements on Terahertz-HgTe/HgCdTe-Quantum-Hall-detectors';
Bonk R.; Stellmach C.; Becker C.; Hock V.; Hein G.; Nachtwei G.;
Proc. DPG Frühjahrstagung Poster HL 9.101, (2006)

'THz-Photoleitung an HgTe/HgCdTe-Quanten-Hall-Detektoren';
Bonk R.; Stellmach C.; Becker C.; Hock V.; Hein G.; Nachtwei G.;
Proc. DPG Frühjahrstagung Poster HL 58.9, Berlin, 2005

'Time- and Spectrally Resolved THz Photoconductivity in Quantum Hall Devices';
Stellmach C.; Vasilyev Y.B.; Bonk R.; Hirsch A.; Kalugin N.G.; Hein G.; Becker C.R.; Nachtwei G.;
Proc. of the 14th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-14), Chicago, USA, 2005

Books

'Linear Semiconductor Optical Amplifiers'
Bonk, R.; Vallaitis, T.; Freude, W.; Leuthold, J.; Penty, R. V.; Borghesani, A.; Lealman, I. F., in: Venghaus, H.; Grote, N. (Eds.),
'Fibre Optic Communication  - Key Devices'. Springer Series in Optical Sciences, Vol. 161, Berlin: Springer Verlag 2012.
ISBN:978-3-642-20516-3 (Print), 978-3-642-20517-0 (Online)

Lectures: