Dr. Darwin K. Serkland Profile

Dr. Darwin K. Serkland

at Sandia National Labs

SPIE Involvement:

Conference Program Committee | Author

Publications (23)

Proceedings Article | 13 March 2024 Presentation

Differentiating absorptive and scattering losses in silicon nitride optical waveguide resonators

Samuel Robison, Michael Wood, Alejandro Grine, Courtney L. Sovinec, Stephanie Malek, Melanie Murillo, Eduardo Garcia, Darwin Serkland

Proceedings Volume PC12871, PC128710C (2024) https://doi.org/10.1117/12.3003556

KEYWORDS: Silicon nitride, Scattering, Fabrication, Waveguides, Optical resonators, Thermal optics, Resonators, Plasma enhanced chemical vapor deposition, Laboratories, Electrical conductivity

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Proceedings Article | 13 March 2024 Presentation

Electro-optically tunable single-frequency VCSELs for atomic clocks

Darwin Serkland, Robert Lutwak, Stephanie Malek, Michael Wood, Kent Geib, Alejandro Grine, Courtney Sovinec, Ping-Show Wong, Victor Patel

Proceedings Volume PC12904, PC1290405 (2024) https://doi.org/10.1117/12.3003499

KEYWORDS: Electro optics, Vertical cavity surface emitting lasers, Atomic clocks, Quantum wells, Electric fields, Wavelength tuning, Refractive index, Quantum optics experiments, Quantum devices, Quantum confinement

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Proceedings Article | 17 March 2023 Presentation

Adjusting VCSEL wavelength and index by etching and regrowth

Darwin Serkland, Michael Wood, Kent Geib, Alejandro Grine, Gregory Peake, Ping-Show Wong, Victor Patel

Proceedings Volume PC12439, PC1243905 (2023) https://doi.org/10.1117/12.2651018

KEYWORDS: Vertical cavity surface emitting lasers, Etching, Wavelength division multiplexing, Multiplexing, Distributed Bragg reflectors

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Proceedings Article | 9 March 2021 Presentation

Transverse mode control of VCSELs using 3D-printed micro-optics

Darwin Serkland, Melanie Murillo, Bryan Kaehr, Michael Gallegos, Gregory Peake, Michael Wood, Alejandro Grine, Theodore Morin, C. Ryan Tait, Kent Geib

Proceedings Volume 11704, 117040I (2021) https://doi.org/10.1117/12.2583349

KEYWORDS: Vertical cavity surface emitting lasers, Micro optics, Reflectivity, Feedback control, Control systems, Quantum physics, Optical fabrication, Mirrors

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Proceedings Article | 9 March 2020 Presentation

Narrow-linewidth VCSELs based on multi-mirror cavities (Conference Presentation)

Darwin Serkland, Theodore Morin, Haley So, Gregory Peake, Michael Wood, Alejandro Grine, C. Ryan Tait, Chris Hains, Kent Geib

Proceedings Volume 11300, 1130008 (2020) https://doi.org/10.1117/12.2547075

KEYWORDS: Vertical cavity surface emitting lasers, Heterodyning, Spectroscopy, Diagnostics, Semiconductor materials, Spectrum analysis

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Proceedings Article | 5 March 2018 Paper

Mode selection and tuning of single-frequency short-cavity VECSELs

Darwin Serkland, Haley So, Gregory Peake, Michael Wood, Alejandro Grine, Christopher Hains, Kent Geib, Gordon Keeler

Proceedings Volume 10552, 1055206 (2018) https://doi.org/10.1117/12.2291197

KEYWORDS: Semiconductors, Vertical cavity surface emitting lasers, Mirrors, Phase shifts, Reflectivity, Laser resonators, Temperature metrology, Semiconductor lasers, Dielectrics, Refraction

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Proceedings Article | 18 March 2016 Paper

VCSELs for interferometric readout of MEMS sensors

Darwin Serkland, Kent Geib, Gregory Peake, Gordon Keeler, Michael Shaw, Michael Baker, Murat Okandan

Proceedings Volume 9766, 976606 (2016) https://doi.org/10.1117/12.2214522

KEYWORDS: Vertical cavity surface emitting lasers, Sensors, Microelectromechanical systems, Interferometry, Interferometers, Integrated optics, Microopto electromechanical systems, Gyroscopes, Capacitance, Motion measurement, Mirrors, Diffraction gratings, Michelson interferometers, Diffraction

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Proceedings Article | 7 February 2012 Paper

850-nm VCSELs optimized for cryogenic data transmission

Darwin Serkland, Kent Geib, Gregory Peake, Gordon Keeler, Alan Hsu

Proceedings Volume 8276, 82760S (2012) https://doi.org/10.1117/12.909590

KEYWORDS: Vertical cavity surface emitting lasers, Cryogenics, Quantum wells, Eye, Data transmission, Temperature metrology, Gallium arsenide, Quantum efficiency, Optical interconnects, Receivers

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Proceedings Article | 13 May 2011 Paper

Micro ion frequency standard

Peter D. Schwindt, Yuan-Yu Jau, Heather Partner, Darwin Serkland, Robert Boye, Lu Fang, Adrian Casias, Ronald Manginell, Matthew Moorman, John Prestage, Nan Yu

Proceedings Volume 8031, 80310O (2011) https://doi.org/10.1117/12.885268

KEYWORDS: Ions, Clocks, Luminescence, Ytterbium, Atomic clocks, Vertical cavity surface emitting lasers, Sensors, Signal detection, Electrodes, Microwave radiation

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Proceedings Article | 8 February 2011 Paper

Feedback in close-coupled axial VCSEL-photodiode pairs

Kent Geib, Darwin Serkland, Gregory Peake, Victoria Sanchez

Proceedings Volume 7952, 79520M (2011) https://doi.org/10.1117/12.872909

KEYWORDS: Vertical cavity surface emitting lasers, Mirrors, Sensors, Photodiodes, Signal detection, Silicon, Oscilloscopes, Electronic filtering, Integrated optics, Optical testing

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Proceedings Article | 8 February 2011 Paper

Fully micro-fabricated VECSEL at 850 nm

Darwin Serkland, Kent Geib, Gordon Keeler, Gregory Peake

Proceedings Volume 7952, 79520L (2011) https://doi.org/10.1117/12.875700

KEYWORDS: Photoresist materials, Dielectrics, Semiconductors, Microfabrication, Mirrors, Vertical cavity surface emitting lasers, Optical alignment, Domes, Semiconducting wafers, Scanning electron microscopy

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Proceedings Article | 24 February 2009 Paper

Fabrication of diffractive optics for dense optical interconnects in optical computing

A. Cruz-Cabrera, S. Kemme, J. Wendt, T. Carter, S. Samora, G. Keeler, D. Serkland

Proceedings Volume 7205, 72050M (2009) https://doi.org/10.1117/12.811598

KEYWORDS: Diffractive optical elements, Optical fibers, Relays, Optical interconnects, Imaging systems, Optical alignment, Clocks, Mirrors, Silica, Scanning electron microscopy

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Proceedings Article | 7 February 2009 Paper

Narrow linewidth VCSELs for high-resolution spectroscopy

Darwin Serkland, Gordon Keeler, Kent Geib, Gregory Peake

Proceedings Volume 7229, 722907 (2009) https://doi.org/10.1117/12.809455

KEYWORDS: Vertical cavity surface emitting lasers, Cesium, Absorption, Chemical species, Sensors, Spectroscopy, Semiconductor lasers, Rubidium, Signal to noise ratio, Atomic clocks

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Proceedings Article | 3 September 2008 Paper

VCSEL-based microsensors for photonic proximity fuzing of munitions

G. Keeler, A. Mar, K. Geib, A. Hsu, D. Serkland, G. Peake

Proceedings Volume 7070, 70700V (2008) https://doi.org/10.1117/12.792023

KEYWORDS: Vertical cavity surface emitting lasers, Sensors, Microlens array, Photodetectors, Micro optics, Signal detection, Microsensors, Custom fabrication, Aluminum nitride, Microlens

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Proceedings Article | 23 February 2007 Paper

VCSELs for atomic sensors

D. Serkland, K. Geib, G. Peake, R. Lutwak, A. Rashed, M. Varghese, G. Tepolt, M. Prouty

Proceedings Volume 6484, 648406 (2007) https://doi.org/10.1117/12.715077

KEYWORDS: Vertical cavity surface emitting lasers, Atomic clocks, Cesium, Sensors, Magnetometers, Rubidium, Signal to noise ratio, Prototyping, Modulation, Interference (communication)

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Proceedings Article | 10 February 2006 Paper

In situ optical time-domain reflectometry (OTDR) for VCSEL-based communication systems

Gordon Keeler, Darwin Serkland, Kent Geib, John Klem, Gregory Peake

Proceedings Volume 6132, 61320A (2006) https://doi.org/10.1117/12.644176

KEYWORDS: Vertical cavity surface emitting lasers, Signal detection, Transceivers, Optical amplifiers, Signal to noise ratio, Sensors, Reflectometry, Telecommunications, Photodetectors, Multimode fibers

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Proceedings Article | 10 February 2006 Paper

VCSELs for atomic clocks

Darwin Serkland, Gregory Peake, Kent Geib, Robert Lutwak, R. Michael Garvey, Mathew Varghese, Mark Mescher

Proceedings Volume 6132, 613208 (2006) https://doi.org/10.1117/12.647095

KEYWORDS: Vertical cavity surface emitting lasers, Atomic clocks, Rubidium, Cesium, Modulation, Microwave radiation, Frequency modulation, Clocks, Oscillators, Physics

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Proceedings Article | 19 August 2005 Paper

Photonics technology development for optical fuzing

K. Geib, D. Serkland, G. Keeler, G. Peake, A. Mar, C. von der Lippe, J. J. Liu

Proceedings Volume 5871, 58710J (2005) https://doi.org/10.1117/12.617446

KEYWORDS: Vertical cavity surface emitting lasers, Micromirrors, Sensors, Microlens, Photonics, Photodetectors, Micro optics, Modulation, Photodiodes, Aluminum nitride

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Proceedings Article | 14 March 2005 Paper

Electrically pumped 850-nm micromirror VECSELs

Gordon Keeler, Darwin Serkland, Kent Geib, Gregory Peake, Alan Mar

Proceedings Volume 5737, (2005) https://doi.org/10.1117/12.591186

KEYWORDS: Micromirrors, Heatsinks, Output couplers, Semiconductor lasers, Aluminum nitride, Gallium arsenide, Vertical cavity surface emitting lasers, Modulation, Resistance, Thermal effects

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Proceedings Article | 15 April 2003 Paper

High-density interleaved VCSEL-RCPD arrays for optical information processing

Kent Geib, Darwin Serkland, Andrew Allerman, Terry Hargett, Kent Choquette

Proceedings Volume 4942, (2003) https://doi.org/10.1117/12.476226

KEYWORDS: Vertical cavity surface emitting lasers, Etching, Metals, Sensors, Reactive ion etching, Gallium arsenide, Resistance, Photoresist materials, Optical arrays, Oxidation

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Proceedings Article | 12 June 2002 Paper

Advances in 1300-nm InGaAsN quantum well VCSELs

John Klem, D. Serkland, Kent Geib

Proceedings Volume 4646, (2002) https://doi.org/10.1117/12.470509

KEYWORDS: Quantum wells, Vertical cavity surface emitting lasers, Mirrors, Gallium arsenide, Annealing, Diodes, Absorption, Luminescence, Nitrogen

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Proceedings Article | 4 June 2002 Paper

Fabrication and performance of large (64x64) arrays of integrated VCSELs and detectors

Kent Geib, Kent Choquette, Darwin Serkland, Andrew Allerman, Terry Hargett

Proceedings Volume 4649, (2002) https://doi.org/10.1117/12.469229

KEYWORDS: Vertical cavity surface emitting lasers, Metals, Etching, Sensors, Gallium arsenide, Indium gallium phosphide, Reactive ion etching, Resistance, Aluminum, Gallium

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Proceedings Article | 29 April 1999 Paper

Fabrication, packaging, and performance of VCSELs and photodetectors for space applications

Ronald Briggs, Marcelino Armendariz, Kent Geib, Kent Choquette, D. Serkland

Proceedings Volume 3627, (1999) https://doi.org/10.1117/12.347105

KEYWORDS: Vertical cavity surface emitting lasers, Packaging, Photodetectors, Space operations, Semiconductors, Etching, Mirrors, Refractive index, Temperature metrology, Oxidation

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