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Joachim Piprek

Email

piprek@nusod.org

Position

Alumni

Department

Electrical and Computer Engineering

Office Location

N/A

Biography

NUSOD Institute

Publications

Journal
An Improved Approach of Optical Loss Measurement Using Photocurrent and Optical Transmission in an Electroabsorption Modulator
J. Shim, B. Liu, J. Piprek, and J. Bowers
IEEE Photonics Technology Letters
vol. 16, no. 6, pp. 1474-1476
2004-06-01
Journal
Nonlinear Properties of Traveling-Wave Electroabsorption Modulator
J. Shim, B. Liu, J. Piprek, and J.E. Bowers
IEEE Photonics Technology Letters
vol.16, no.2, pp. 1035-1037
2004-04-01
Journal
Analog Characterization of Low-Voltage MQW Traveling-Wave Electroabsorption Modulators
B. Liu, J. Shim, Y.-J. Chiu, A. Keating, J. Piprek, and J. E. Bowers
Journal of Lightwave Technology Letters
vol. 21, no. 12, pp. 3011- 3019
2003-12-01
Journal
High-Temperature Characteristics and Tunability of Long-Wavelength Vertical-Cavity Semiconductor Optical Amplifiers
T. Kimura, S. Björlin, J. Piprek, J. E. Bowers
IEEE Photonics Technology Letters
vol. 15, no. 11, pp. 1501-1503
2003-11-01
Journal
High-Power 1320-nm Wafer-Bonded VCSELs With Tunnel Junctions
V. Jayaraman, M. Mehta, A. W. Jackson, Y. Okuno, J. Piprek, J. E. Bowers
IEEE Photonics Technology Letters
Vol. 15, No. 11, pp. 1495-1497
2003-11-01
Journal
Analog Modulation of Semiconductor Lasers
J. Piprek and J. E. Bowers
RF Photonic Technology in Optical Fiber Links
Chapter 3, W. Chang, Ed. Cambridge University Press
2002-01-01
Journal
Vertical-Cavity Amplifying Modulator at 1.3 µm
E.S. Björlin, A. Dahl, J. Piprek, P. Abraham, Y.-J. Chiu, J. E. Bowers
IEEE Photonics Technology Letters
Vol. 13, No. 12, pp. 1271-1273
2001-12-01
Journal
Wafer Bonded 1.55 µm Vertical-Cavity Lasers with Continuous-Wave Operation Up to 105°C
A. Karim, P. Abraham, D. Lofgreen, Y.-J. Chiu, J. Piprek, and J. E. Bowers
Applied Physics Letters
78(18) p. 2632-2633
2001-04-30
Journal
Self-Consistent Analysis of High-Temperature Effects on Strained-Layer Multi-Quantum Well InGaAsP/InP Lasers
J. Piprek, P. Abraham, J. E. Bowers
IEEE Journal of Quantum Electronics
vol. 36, no. 3, pp. 366-374
2000-03-01
Journal
Cavity Length Effects on Internal Loss and Quantum Efficiency of Multi-Quantum-Well Lasers
J. Piprek, P.Abraham, J. E. Bowers
IEEE Journal of Selected Topics in Quantum Electronics, Spec
vol. 5, no. 3, pp. 643-647
1999-05-01
Journal
Improvement of Internal Quantum Efficiency in 1.55 µm Laser Diodes with InGaP Electron Stopper Layer
P. Abraham, J. Piprek, S. P. DenBaars, J. E. Bowers
Japanese Journal of Applied Physics, Part 1
vol. 38, no. 2B, pp. 90-93
1999-02-01
Journal
Carrier nonuniformity effects on the internal efficiency of multiquantum-well lasers
J. Piprek, P. Abraham, and J. E. Bowers
Applied Physics Letters
vol. 74, no. 4, pp. 489-491
1999-01-25
Journal
Study of Temperature Effects on Loss Mechanisms in 1.55 µm Laser Diodes with InGaP Electron Stopper Layer
P. Abraham, J. Piprek, S. P. DenBaars, and J. E. Bowers
Semiconductor Science and Technology
vol. 14, no. 5, pp. 419-424
1999-01-01
Journal
Thermionic emission cooling in single barrier heterostructures
A. Shakouri, C. LaBounty, J. Piprek, P. Abraham, J. E. Bowers
Applied Physics Letters
vol. 74, no. 1, pp. 88-89
1999-01-01
Journal
The Microstrip Laser
D. Tauber, M. Horita, J. Piprek, P. Abraham, A. L. Holmes, Jr., J. E. Bowers
IEEE Photonics Technology Letters
vol. 10, no. 4 pp. 478-480
1998-04-01
Conference
Long-Wavelength WDM Vertical-Cavity Surface-Emitting Laser Arrays Spanning 140nm
J. Geske, D. Leonard, M. MacDoughal, Y. L. Okuno, J. Pipker, J. E. Bowers
Proceedings of European Conference on Optical Communication
Rimini, Italy
2003-09-22
Conference
Recent Advances in Photodetectors with Distributed Optical Amplification
D. Lasaosa, D. Pasquariello, J. Piprek, and J. E. Bowers
Proceedings of 3rd Annual SPIE ITCOM 2003
5248, Orlando, FL
2003-09-07
Conference
InP-based waveguide photodetector with integrated photon multiplication
D. Pasquariello, J. Piprek, D. Lasaosa, J. E. Bowers
Proceedings of 3rd Annual SPIE ITCOM 2003
Orlando, FL
2003-09-07
Conference
Physics of Waveguide Photodetectors with Integrated Amplification
J. Piprek, D. Lasaosa, D. Pasquariello, J. E. Bowers
Physics and Simulation of Optoelectronic Devices XI, SPIE
4986-28, San Jose, CA
2003-01-25
Conference
High-Efficiency Multi-Quantum-Well Electroabsorption Modulators
J. Piprek, Y.-J. Chiu, S. Zhang, J. E. Bowers, C. Prott, H. Hillmer
ECS Symposium on Integrated Optoelectronics
Philadelphia, PA
2002-05-01
Conference
High Gain, High Efficiency Vertical-Cavity Semiconductor Optical Amplifiers
E.S. Björlin, P. Abraham, D. Pasquariello, J. Piprek, Y.-J. Chiu, J.E. Bowers
14th International Conference on Indium Phosphide and Relate
pp. 307-310, Stockholm, Sweden
2002-05-01
Conference
Analysis of Multi-Quantum Well Electroabsorption Modulators
J. Piprek, Y. -J. Chiu, J. E. Bowers
SPIE Proceedings 4646-77, Physics and Simulation of Optoelec
San Jose, CA
2002-01-01
Conference
Low-Voltage Traveling-Wave Electroabsorption Modulators
Y.-J. Chiu, V. Kaman, S.Z. Zhang, J. Piprek, J.E. Bowers
LEOS 2001, Invited Paper
182-183, San Diego, CA
2001-11-12
Conference
High-Speed Traveling-Wave Electroabsorption Modulators
Y. -J. Chiu, S. Z. Zhang, V. Kaman, J. Piprek, J. E. Bowers
46th SPIE Annual Meeting: Symposium on Radio Frequency Photo
San Diego, CA
2001-07-29
Conference
Modeling of traveling-wave amplification photodetectors
D. Lasaosa, Y. -J. Chiu, J. Piprek, J. E. Bowers
SPIE Proceedings 4283-64, Physics and Simulation of Optoelec
San Jose, CA
2001-01-20
Conference
Traveling-wave Amplification Photodetector (TAP detector)
D. Lasaosa, Y. -J. Chiu, J. Piprek, J. E. Bowers
Conference Digest, 260-261
Rio Grande, Puerto Rico
2000-11-13
Conference
Monolithic Integration of Solid State Thermionic Coolers with Semiconductor Lasers
C. LaBounty, D. Oberle, J. Piprek, P. Abraham, A. Shakouri, J. Bowers
Conference Digest, 260-261
Rio Grande, Puerto Rico
2000-11-13
Conference
Simulation and Optimization of 420 nm InGaN/GaN Laser Diodes
J. Piprek, R. Kehl Sink, M. A. Hansen, J. E. Bowers, S. P. DenBaars
SPIE Proceedings 3944-03, Physics and Simulation of Optoelec
San Jose, CA, January 24-27, 2000
2000-01-27
Conference
Self-consistent analysis of high-temperature effects on InGaAsP/InP lasers
J. Piprek, P. Abraham, J. E. Bowers
26th IEEE International Symposium on Compound Semiconductors
WeP13, Berlin, Germany
1999-08-01
Conference
Efficiency Analysis of Quantum Well Lasers using PICS3D
J. Piprek, P. Abraham, J. E. Bowers
Integrated Photonics Research Conference
Santa Barbara, CA
1999-07-01
Conference
InP-based Thermionic Coolers
A. Shakouri, C. LaBounty, P. Abraham, J. Piprek, and J.E. Bowers
Proceedings of 11th International Conference on Indium Phosp
Davos, Switzerland
1999-05-16
Conference
Enhanced Thermionic Emission Cooling in High Barrier Superlattice Heterostructures
A. Shakouri, C. LaBounty, P. Abraham, J. Piprek, J. Bowers
Materials Research Society Proceedings Vol. 545, Thermionic
T.M.Tritt, M.G. Kanatzidis, G.D.Mahan, H.B.Lyon, Eds., pp. 4
1998-11-30
Conference
Effects of quantum well recombination losses on the internal differential efficiency of multi-quantum-well lasers
J. Piprek, P. Abraham, J. E. Bowers
Conference Digest of the 16th IEEE International Semiconduct
pp. 167-168, Nara, Japan
1998-10-04
Conference
Effects of an InGaP electron barrier layer on 1.55 ìm laser diode performance
P. Abraham, J. Piprek, S.P. DenBaars, J.E. Bowers
Proceedings of 10th International Conference on Indium Phosp
pp. 713-716, Tsukuba, Japan
1998-05-11