Andreas Klehr

发表

Pulsed hybrid dual wavelength Y-branch-DFB laser-tapered amplifier system suitable for water vapor detection at 965 nm with 16 W peak power

Thi Nghiem Vu, Andreas Klehr, Bernd Sumpf, 2016, SPIE OPTO.

Short pulse generation by Q-switching two section tapered lasers

P. Adamiec, Ignacio Esquivias, Andreas Klehr, 2012, OPTO.

Mode-locked diode laser with resonant ring amplifier

Andrea Knigge, Martin R. Hofmann, Andreas Klehr, 2018, Photonics Europe.

Pico- and nanosecond investigations of the lateral nearfield of broad area lasers under pulsed high-current excitation

Andrea Knigge, Andreas Klehr, Armin Liero, 2018, OPTO.

High power DFB lasers for D1 and D2 rubidium absorption spectroscopy and atomic clocks

G. Tränkle, Andreas Klehr, Olaf Brox, 2009, OPTO.

Investigations for real-time Raman measurements in the deep ocean by applying a 1.5 W BA DFB diode laser and long optical fibers

Heinz-Detlef Kronfeldt, Andreas Klehr, Bernd Sumpf, 2010, Defense + Commercial Sensing.

Timing stability and repetition rate frequency tuning analysis of a passively mode-locked quantum-well semiconductor laser subject to dual-cavity optical self-feedback

Andrea Knigge, Andreas Klehr, Christoph Weber, 2018, Photonics Europe.

Ultrashort pulse generation with semiconductor lasers using intracavity phase- and amplitude pulse shaping

Martin R. Hofmann, Andreas Klehr, Günther Tränkle, 2015, Photonics West - Optoelectronic Materials and Devices.

Generation of high-power pulses in the GHz range with three-section DBR lasers

Andreas Klehr, Hans Wenzel, Goetz Erbert, 2002, SPIE OPTO.

808 nm tapered diode lasers optimized for high output power and nearly diffraction-limited beam quality in pulse mode operation

Paul Michael Petersen, Peter E. Andersen, Andreas Klehr, 2007, SPIE LASE.

High-peak-power pulse generation with GHz repetition rate using a Q-switched 1060nm DBR tapered laser

G. Tränkle, Andreas Klehr, Bernd Sumpf, 2010, OPTO.

High average power Nd:YVO4 regenerative amplifier seeded by a gain switched diode laser

Florian Harth, Ralf Knappe, Achim Nebel, 2011, LASE.

Design and realization of high-power DFB lasers

M. Weyers, Andreas Klehr, Bernd Sumpf, 2004, SPIE Optics East.

High-power ridge waveguide DFB and DFB-MOPA lasers at 1064 nm with a vertical farfield angle of 15°

G. Tränkle, Andreas Klehr, Frank Bugge, 2010, OPTO.

Shifted excitation Raman difference spectroscopy using a dual-wavelength DBR diode laser at 785 nm

G. Tränkle, Bernd Eppich, Andreas Klehr, 2015, Photonics West - Biomedical Optics.

7.4 W continuous-wave output power of master oscillator power amplifier system at 1083 nm

G. Tränkle, Andreas Klehr, Bernd Sumpf, 2006 .

Reliable operation of 785 nm DFB diode lasers for rapid Raman spectroscopy

Heinz-Detlef Kronfeldt, Andreas Klehr, Bernd Sumpf, 2007, SPIE LASE.

Second harmonic pico-second pulse generation with mode-locked 1064nm DBR laser diodes

Katrin Paschke, G. Tränkle, Daniel Jedrzejczyk, 2014, Photonics West - Optoelectronic Materials and Devices.

5.3 W cw output power from a master oscillator power amplifier at 1083nm

Andreas Klehr, Bernd Sumpf, Günther Tränkle, 2005, SPIE Optics East.

Interaction of phase and amplitude shaping in an external cavity semiconductor laser

Martin R. Hofmann, Andreas Klehr, Günther Tränkle, 2016, SPIE OPTO.

Integrated 1060nm MOPA pump source for high-power green light emitters in display technology

G. Tränkle, Andreas Klehr, Frank Bugge, 2008, SPIE OPTO.

Monolithic DFB laser diodes emitting at 785 nm for in situ SER spectroscopy

Heinar Schmidt, Heinz-Detlef Kronfeldt, Andreas Klehr, 2005, SPIE Optics East.

975nm high-peak power ns-diode laser based MOPA system suitable for water vapor DIAL applications

Thi Nghiem Vu, Andreas Klehr, Bernd Sumpf, 2015, Photonics West - Optoelectronic Materials and Devices.

Influence of different approaches for dynamical performance optimization of monolithic passive colliding-pulse mode-locked laser diodes emitting around 850 nm

Andrea Knigge, Andreas Klehr, Günther Tränkle, 2018, OPTO.

Compact sources for the generation of high-peak power wavelength-stabilized laser pulses in the picoseconds and nanoseconds ranges

G. Tränkle, Andreas Klehr, Armin Liero, 2012, Photonics West - Lasers and Applications in Science and Engineering.

Mode-locked diode lasers for THz asynchronous optical sampling

Andrea Knigge, Martin R. Hofmann, Thomas Musch, 2019, OPTO.

All semiconductor high power fs laser system with variable repetition rate

Martin R. Hofmann, Andreas Klehr, Götz Erbert, 2012, OPTO.

1030-nm diode-laser-based light source delivering pulses with nanojoule energies and picosecond duration adjustable by mode locking or pulse gating operation

Andrea Knigge, W. Heinrich, G. Tränkle, 2017, OPTO.

THz sources and detectors based on diode lasers

Martin Koch, Tobias Schlauch, Martin R. Hofmann, 2009, LASE.

Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench

W. Heinrich, G. Tränkle, Andreas Klehr, 2011, OPTO.

Dynamics of high power gain switched DFB RW laser under high current pulse excitation on a nanosecond time scale

G. Tränkle, Andreas Klehr, Armin Liero, 2013, Photonics West - Optoelectronic Materials and Devices.

670 nm tapered lasers and amplifier with output powers P ⩾ 1 W and nearly diffraction limited beam quality

M. Weyers, G. Tränkle, Andreas Klehr, 2007, SPIE OPTO.

973 nm wavelength stabilized hybrid ns-MOPA diode laser system with 15.5 W peak power and a spectral line width below 10 pm

Thi Nghiem Vu, Andreas Klehr, Bernd Sumpf, 2014, Photonics Europe.

Femtosecond semiconductor laser system with arbitrary intracavity phase and amplitude manipulation

G. Tränkle, Martin R. Hofmann, Andreas Klehr, 2014, Photonics West - Optoelectronic Materials and Devices.

High-power broad-area 808 nm DFB lasers for pumping solid state lasers

G. Tränkle, Andreas Klehr, Frank Bugge, 2006, SPIE OPTO.

Generation of spectrally-stable continuous-wave emission and ns pulses at 800 nm and 975 nm with a peak power of 4 W using a distributed Bragg reflector laser and a ridge-waveguide power amplifier

G. Tränkle, Andreas Klehr, Armin Liero, 2015, Photonics West - Optoelectronic Materials and Devices.

785-nm dual wavelength DBR diode lasers and MOPA systems with output powers up to 750 mW

Andreas Klehr, Bernd Sumpf, Günther Tränkle, 2015, Photonics West - Optoelectronic Materials and Devices.

Generation of picosecond pulses and optical frequency combs with multi-section 1065nm ridge waveguide diode lasers

G. Tränkle, Andreas Klehr, Armin Liero, 2012, OPTO.

Passively mode-locked 1 GHz MOPA system generating sub-500-fs pulses after external compression

Florian Harth, Andreas Klehr, Götz Erbert, 2012, Photonics Europe.

Passive, active, and hybrid mode-locking in a self-optimized ultrafast diode laser

Andrea Knigge, Martin R. Hofmann, Andreas Klehr, 2018, OPTO.

Generation of 7W nanosecond pulses with 670nm ridge-waveguide lasers

Wolfgang Heinrich, Andreas Klehr, Armin Liero, 2016, SPIE OPTO.

High-power ridge-wavequide broad-area lasers with a DFB resonator in the wavelength range 760- to 790-nm

Andreas Klehr, Frank Bugge, M. Braun, 2005, SPIE OPTO.

Timing jitter performance of mode-locked external cavity multi-quantum-well semiconductor lasers

Martin R. Hofmann, Andreas Klehr, Günther Tränkle, 2016, SPIE OPTO.

Colliding pulse mode-locked lasers as light sources for single-shot holography

Tobias Schlauch, Andreas Klehr, Günther Tränkle, 2011, Applications of Optics and Photonics.

Compact continuous wave THz source based on monolithic two-color laser diode

Martin R. Hofmann, Andreas Klehr, Bernd Sumpf, 2018, Photonics Europe.

High peak power optical pulses generated with a monolithic master-oscillator power amplifier.

Daniel Jedrzejczyk, Andreas Klehr, Hans Wenzel, 2012, Optics letters.

Detection of THz radiation with semiconductor diode lasers

Stephan W Koch, Martin Koch, G. Tränkle, 2007 .

A distributed feedback diode laser and its application as Raman light source

B. Sumpf, G. Erbert, Heinz-Detlef Kronfeldt, 2003, 2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666).

Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm

Thi Nghiem Vu, Andreas Klehr, Bernd Sumpf, 2014 .

High peak-power nanosecond pulses generated with DFB RW laser

Andreas Klehr, Armin Liero, Olaf Brox, 2011 .

Generation of optical picosecond pulses with monolithic colliding-pulse mode-locked lasers containing a chirped double-quantum-well active region

Andrea Knigge, Andreas Klehr, Günther Tränkle, 2017 .

High peak power pulses from dispersion optimised modelocked semiconductor laser

Martin R. Hofmann, Andreas Klehr, Götz Erbert, 2013 .

Picosecond Pulse Generation and Pulse Train Stability of A Monolithic Passively Mode-Locked Semiconductor Quantum-Well Laser at 1070 nm

Andrea Knigge, Andreas Klehr, Christoph Weber, 2018, IEEE Journal of Quantum Electronics.

Defect recognition via longitudinal mode analysis of high power fundamental mode and broad area edge emitting laser diodes

G. Tränkle, Andreas Klehr, Hans Wenzel, 2001 .

Y-branch coupled DFB-lasers based on high-order Bragg gratings for wavelength stabilization

Andreas Klehr, Olaf Brox, Götz Erbert, 2013 .

Mode-locked semiconductor laser system with intracavity spatial light modulator for linear and nonlinear dispersion management.

Andreas Klehr, Günther Tränkle, Götz Erbert, 2014, Optics express.

Amplification of kW peak power femtosecond pulses in single quantum well InGaAs tapered amplifiers

Andreas Klehr, Bernd Sumpf, Edeltraud Gehrig, 2008 .

Detection of terahertz radiation with diode lasers

Martin Koch, G. Tränkle, Martin R. Hofmann, 2007 .

Asynchronous sampling terahertz time-domain spectroscopy using semiconductor lasers

Andrea Knigge, G. Tränkle, Martin R. Hofmann, 2018 .

Monolithic passively mode-locked semiconductor quantum-well laser emitting at 1070 nm: Picosecond pulse generation and pulse train stability analysis

Andrea Knigge, Andreas Klehr, Christoph Weber, 2016, 2016 18th International Conference on Transparent Optical Networks (ICTON).

Integrated 13 GHz ps-pulse-source at 1064 nm

Andreas Klehr, Olaf Brox, Frank Bugge, 2013 .

Dual-Wavelength Master Oscillator Power Amplifier Diode-Laser System at 785 nm

Andreas Klehr, Bernd Sumpf, Martin Maiwald, 2014, IEEE Photonics Technology Letters.

High-power 783 nm distributed-feedback laser

M. Weyers, G. Erbert, G. Tränkle, 2004 .

Femtosecond semiconductor laser system with resonator-internal dispersion adaptation.

Andrea Knigge, Andreas Klehr, Günther Tränkle, 2017, Optics letters.

Five-hundred-milliwatts distributed-feedback diode laser emitting at 940 nm

Andreas Klehr, Frank Bugge, Hans Wenzel, 2007 .

Application of 940 nm high-power DFB lasers for line-broadening measurements at normal pressure using a robust and compact setup

B. Sumpf, G. Tränkle, Andreas Klehr, 2012 .

Amplifications of picosecond laser pulses in tapered semiconductor amplifiers: Numerical simulations versus experiments

Mindaugas Radziunas, Andreas Klehr, Hans Wenzel, 2012 .

Near room temperature electrical injection lasing for dilute nitride Ga(NAsP)/GaP quantum-well structures grown by metal organic vapour phase epitaxy

Andreas Klehr, Wolfgang Stolz, Kerstin Volz, 2006 .

180 mW DBR lasers with first-order grating in GaAs emitting at 1062 nm

Andreas Klehr, Frank Bugge, Hans Wenzel, 2000 .

Tunable 975 nm nanosecond diode-laser-based master-oscillator power-amplifier system with 16.3 W peak power and narrow spectral linewidth below 10 pm.

Thi Nghiem Vu, Andreas Klehr, Bernd Sumpf, 2014, Optics letters.

Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers

Andreas Klehr, Hans Wenzel, Götz Erbert, 2012 .

Mode-locked InGaAs-AlGaAs disk laser generating sub-200-fs pulses, pulse picking and amplification by a tapered diode amplifier.

Andreas Klehr, Armin Liero, Götz Erbert, 2009, Optics express.

Wavelength‐Stabilized High‐Pulse‐Power Laser Diodes for Automotive LiDAR

Andrea Knigge, Andreas Klehr, Armin Liero, 2018 .

High power pulse generation with a three section DBR laser with controllable saturable absorber

G. Erbert, G. Tränkle, Andreas Klehr, 1999 .

980-nm DBR lasers using higher order gratings defined by i-line lithography

Andreas Klehr, Hans Wenzel, Götz Erbert, 2005 .

Influence of nonlinear effects on the characteristics of pulsed high-power broad-area distributed Bragg reflector lasers

Andrea Knigge, Mindaugas Radziunas, Andreas Klehr, 2018 .

Ultrashort pulse Yb:LaSc(3)(BO(3))(4) mode-locked oscillator.

Günter Huber, Valentin Petrov, Klaus Petermann, 2007, Optics express.

Terahertz generation with 1064nm DFB laser diode

Martin Koch, Martin Mikulics, Andreas Klehr, 2007 .

DBR lasers emitting at 1060 nm with first-order grating in InGaP waveguide layer

Andreas Klehr, Wolfgang Stolz, Arne Knauer, 1999 .

Impact of Carrier Nonpinning Effect on Thermal Power Saturation in GaAs-Based High Power Diode Lasers

Paul Crump, Andreas Klehr, Götz Erbert, 2019, IEEE Journal of Selected Topics in Quantum Electronics.

Root-Cause Analysis of Peak Power Saturation in Pulse-Pumped 1100 nm Broad Area Single Emitter Diode Lasers

Paul Crump, Sven Einfeldt, Andreas Klehr, 2010, IEEE Journal of Quantum Electronics.

Compact high-current diode laser nanosecond-pulse source with high efficiency and 13 µJ output energy

W. Heinrich, Andreas Klehr, Armin Liero, 2015 .

Laser driver switching 20 A with 2 ns pulse width using GaN

Wolfgang Heinrich, Andreas Klehr, Armin Liero, 2010, 2010 IEEE MTT-S International Microwave Symposium.

Electro-optical characteristics of 808 nm ridge-waveguide lasers operated with high-current nanosecond pulses

Andrea Knigge, Andreas Klehr, Armin Liero, 2017 .

Compact green laser source using butt-coupling between multi-section DFB-laser and SHG waveguide crystal

Tolga Tekin, G. Erbert, Henning Schröder, 2008 .

Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system

Andreas Klehr, Armin Liero, Hans Wenzel, 2011 .

MOVPE growth of tunable DBR laser diode emitting at 1060 nm

M. Weyers, Andreas Klehr, Frank Bugge, 1998 .

Self-optimizing femtosecond semiconductor laser.

Andreas Klehr, Günther Tränkle, Götz Erbert, 2015, Optics express.

Passively Mode-Locked Diode Laser With Optimized Dispersion Management

Martin R. Hofmann, Andreas Klehr, Jan C. Balzer, 2015, IEEE Journal of Selected Topics in Quantum Electronics.

High-power ridge-waveguide distributed-feedback lasers emitting at 860 nm

G. Erbert, G. Tränkle, Andreas Klehr, 2002 .

Multi-gigahertz picosecond pulse generation by passive mode-locking of monolithic two-section quantum well semiconductor lasers emitting at 1070 nm: Study of different laser lengths and gain-to-absorber section length ratios

Andrea Knigge, Andreas Klehr, Christoph Weber, 2017, 2017 19th International Conference on Transparent Optical Networks (ICTON).

High-Power Pulse Generation in GHz Range With 1064-nm DBR Tapered Laser

Andreas Klehr, Bernd Sumpf, Armin Liero, 2010, IEEE Photonics Technology Letters.

High pak power femtosecond pulses from modelocked semiconductor laser in external cavity

Martin R. Hofmann, Andreas Klehr, Günther Tränkle, 2008 .

Modelocked semiconductor laser system with pulse picking for variable repetition rate

Martin R. Hofmann, Andreas Klehr, Götz Erbert, 2011 .

Rapid shifted excitation Raman difference spectroscopy with a distributed feedback diode laser emitting at 785 nm

Heinz-Detlef Kronfeldt, Andreas Klehr, Bernd Sumpf, 2006 .

Femtosecond passively modelocked diode laser with intracavity dispersion management.

Tobias Schlauch, Andreas Klehr, Günther Tränkle, 2010, Optics express.

Experimental Study of the Timing Jitter of a Passively Mode-Locked External-Cavity Semiconductor Laser Subject to Repetition Rate Transitions and Optical Feedback

Joachim Sacher, Andreas Klehr, Stefan Breuer, 2015, IEEE Journal of Quantum Electronics.

Compact 1064 nm ps-light source on a micro bench with free adjustable repetition rate and nJ pulse energy

Wolfgang Heinrich, Andreas Klehr, Armin Liero, 2011, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC).

Numerical simulation of the amplification of picosecond laser pulses in tapered semiconductor amplifiers and comparison with experimental results

Mindaugas Radziunas, Andreas Klehr, Hans Wenzel, 2012 .