Narrow-line external cavity diode laser micro-packaging in the NIR and MIR spectral range

Jiménez, Álvaro; Milde, Tobias; Staacke, Niklas; Aßmann, Christian; Carpintero, Guillermo; Sacher, Joachim

doi:10.1007/s00340-017-6777-9

Cited by 12 publications

(10 citation statements)

References 16 publications

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“…Narrow linewidth lasers are crucial for applications including coherent optical communication systems and microwave photonics. Their linewidth is normally reduced via extending photon life time using external cavity or by locking the laser to a stable reference with advanced electronics [46], [47]. Both these approaches unavoidably add cost that is at odds with the need for low cost narrow linewidth lasers, creating a long-lasting dilemma in practical system applications.…”

Section: Features Of Optical Injection Locking a Linewidth Redumentioning

confidence: 99%

Optical Injection Locking: From Principle to Applications

Liu

Slavı́k

2020

J. Lightwave Technol.

151

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This paper reviews optical injection locking (OIL) of semiconductor lasers and its application in optical communications and signal processing. Despite complex OIL dynamics, we attempt to explain the operational principle and main features of the OIL in an intuitive way, aiming at a wide understanding of the OIL and its associated techniques in the optic and photonic communities. We review and compare different control techniques that enable robust OIL in practical systems. The applications are reviewed with a focus on new developments in the past decade, under the categories of 'High Speed Directly Modulated Lasers' and 'Optical Carrier Recovery'. Finally, we draw our vision for future research directions.

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Section: Features Of Optical Injection Locking a Linewidth Redumentioning

confidence: 99%

Optical Injection Locking: From Principle to Applications

Liu

Slavı́k

2020

J. Lightwave Technol.

151

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“…This makes this solution inappropriate for long-term use in an arrangement that is ultimately expected to operate with minimal user intervention. Our long-term aim is therefore to replace the 369-nm laser with a smaller and more robust unit and, for this reason, we evaluated frequency doubling of a bespoke commercially-available 739-nm diode laser [16] providing up to 60 mW output in free space. Using an AdvR waveguide frequency doubler with a pig-tailed input and free-space output, ~24 W was produced at 369.5 nm from 15 mW in the polarization-maintaining input fiber.…”

Section: Introductionmentioning

confidence: 99%

“…Light at 399 nm for photoionisation of neutral ytterbium atoms was generated by frequency doubling of a commercial diode laser at 798 nm [16] that provided up to 80 mW in free space. The laser had an integral thermo-electric cooler in a TO-39 package that included a collimator and also a miniature volume holographic grating (VHG) for frequency control.…”

Section: Introductionmentioning

confidence: 99%

Compact laser system for a laser-cooled ytterbium ion microwave frequency standard

Mulholland

Klein

Barwood

et al. 2019

Review of Scientific Instruments

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The development of a transportable microwave frequency standard based on the ground-state transition of 171 Yb + at ~12.6 GHz requires a compact laser system for cooling the ions, clearing out of long-lived states and also for photoionisation. In this paper, we describe the development of a suitable compact laser system based on a 6U height rack-mounted arrangement with overall dimensions 260  194  335 mm. Laser outputs at 369 nm (for cooling), 399 nm (photoionisation), 935 nm (repumping) and 760 nm (state clearout) are combined in a fiber arrangement for delivery to our linear ion trap and we demonstrate this system by cooling of 171 Yb + ions. Additionally, we demonstrate that the lasers at 935 nm and 760 nm are close in frequency to water vapor and oxygen absorption lines respectively; specifically, at 760 nm, we show that one 171 Yb + transition is within the pressure broadened profile of an oxygen line. These molecular transitions form convenient wavelength references for the stabilization of lasers for a 171 Yb + frequency standard.

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“…The lower output power and the higher threshold compared with the 2 μm DFB laser are caused by an earlier development stage where the RWG topology and surface roughness were not as ideal as in the 2 μm wafer. Also the reflectivity of the front facet coating is 30% instead of 10% for the 2 μm DFB laser [17].…”

Section: B 2128 Nm Dfb Diode Laser As Sensor Application For N 2 Omentioning

confidence: 99%

“…The laser threshold is I bias 112 mA, and the laser power can be increased with bias current to a maximum of nearly 21 mW, both at the central wavelength of 1.95 μm. The kinks in the PI curve are mode hops, which result from chip length changes with increasing laser current [17,20]. In the lower inset the optical spectrum is shown.…”

Section: λ 1950 Nm External Cavity Diode Laser As Water Vapor Sensmentioning

confidence: 99%

Single mode GaSb diode lasers for sensor applications in a long wavelength regime

et al. 2017

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The wavelength, λ, range of 1.8 μm≤λ≤3.5 μm contains strong spectral absorption lines of many gases used in health, industry, safety, and medicine and whose sensitive and quantitative detection is desirable. However, the performance of InP diode lasers markedly deteriorates beyond λ∼2 μm. In this paper we present new results on developing tunable high power single mode laser diodes based on the GaSb material system with emission in the wavelength range of 1.8 μm≤λ≤2.2 μm.

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Narrow-line external cavity diode laser micro-packaging in the NIR and MIR spectral range

Cited by 12 publications

References 16 publications

Optical Injection Locking: From Principle to Applications

Optical Injection Locking: From Principle to Applications

Compact laser system for a laser-cooled ytterbium ion microwave frequency standard

Single mode GaSb diode lasers for sensor applications in a long wavelength regime

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