Search Results - "Gökden, B."
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Master-oscillator power-amplifier quantum cascade laser array
Published in Applied physics letters (24-12-2012)“…We report on the demonstration of an array of master-oscillator power-amplifier quantum cascade lasers (QCLs) operating in single-mode at different wavelengths…”
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Journal Article -
2
Active hyperspectral imaging using a quantum cascade laser (QCL) array and digital-pixel focal plane array (DFPA) camera
Published in Optics express (16-06-2014)“…We demonstrate active hyperspectral imaging using a quantum-cascade laser (QCL) array as the illumination source and a digital-pixel focal-plane-array (DFPA)…”
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Journal Article -
3
Broad area photonic crystal distributed feedback quantum cascade lasers emitting 34 W at λ ∼ 4.36 μ m
Published in Applied physics letters (27-09-2010)“…We demonstrate room temperature, high power, single mode, and diffraction limited operation of a two dimensional photonic crystal distributed feedback quantum…”
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Journal Article -
4
High power broad area quantum cascade lasers
Published in Applied physics letters (30-11-2009)“…Broad area quantum cascade lasers (QCLs) are studied with ridge widths up to 400 μ m , in room temperature pulsed mode operation at an emission wavelength…”
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Journal Article -
5
Watt level performance of quantum cascade lasers in room temperature continuous wave operation at λ ∼ 3.76 μ m
Published in Applied physics letters (27-09-2010)“…An InP-based quantum cascade laser heterostructure emitting at 3.76 μ m is grown with gas-source molecular beam epitaxy. The laser core is composed of strain…”
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Journal Article -
6
Photonic crystal distributed feedback quantum cascade lasers with 12 W output power
Published in Applied physics letters (20-07-2009)“…We demonstrate room temperature, high power, and diffraction limited operation of photonic crystal distributed feedback (PCDFB) quantum cascade lasers emitting…”
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Journal Article -
7
Single-mode tapered quantum cascade lasers
Published in Applied physics letters (06-05-2013)“…We demonstrate tapered quantum cascade lasers monolithically integrated with a distributed Bragg reflector acting as both a wavelength-selective back mirror…”
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Journal Article -
8
High-power, room-temperature, and continuous-wave operation of distributed-feedback quantum-cascade lasers at λ∼4.8μm
Published in Applied physics letters (25-07-2005)“…A high-power continuous-wave (CW) operation of distributed-feedback quantum-cascade lasers using a buried grating with epitaxial regrowth up to temperatures of…”
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Journal Article -
9
High-power, room-temperature, and continuous-wave operationof distributed-feedback quantum-cascade lasers at λ ∼ 4.8 μ m
Published in Applied physics letters (18-07-2005)“…A high-power continuous-wave (CW) operation of distributed-feedback quantum-cascade lasers using a buried grating with epitaxial regrowth up to temperatures of…”
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Journal Article -
10
Recent advances in IR semiconductor laser diodes and future trends
Published in 2011 IEEE Photonics Society Summer Topical Meeting Series (01-07-2011)“…The wall plug efficiency of the mid-infrared quantum cascade laser in room temperature continuous wave (cw) operation is brought to 21%, with a maximum output…”
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Conference Proceeding -
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Recent Advances in 3-5 microns InGaAs/InAlAs/InP quantum cascade lasers
Published in CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005 (2005)“…In this paper, we discuss the limiting factors for short-wavelength QCL designs and how the incorporation of strain into the material can help to overcome the…”
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Conference Proceeding