Thomas Tenzler, Christof Zink, Jörg Fricke, Pietro Della Casa, Jos Boschker, Maximilian Schäfer, Hans Wenzel, Andrea Knigge
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Tunable and Wavelength-Stabilised Laser Based on a Bragg Reflection Waveguide for Spontaneous Parametric Down Conversion
Bragg reflection waveguide lasers offer compact solutions for the generation of photon pairs through spontaneous parametric down conversion, by simultaneously generating the lasing pump light and converting it into photon pairs within the same device. However, the acceptance bandwidth of the lasing light for this conversion process is small, which makes free-runnning Fabry–Pérot lasers with no wavelength stabilisation less suitable for nonlinear processes. We present the emission characteristics of a Bragg reflection ridge waveguide laser where a surface Bragg grating is implemented in one segment of the device. The lasing wavelength, determined by the Bragg condition, can be adjusted by the period of the grating between 775 and 785 nm. Furthermore, a micro heater in the grating section enables additional tuning of the lasing wavelength by 2 nm.
期刊介绍：
Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews.
Scope
As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below.
Antennas and Propagation
Biomedical and Bioinspired Technologies, Signal Processing and Applications
Control Engineering
Electromagnetism: Theory, Materials and Devices
Electronic Circuits and Systems
Image, Video and Vision Processing and Applications
Information, Computing and Communications
Instrumentation and Measurement
Microwave Technology
Optical Communications
Photonics and Opto-Electronics
Power Electronics, Energy and Sustainability
Radar, Sonar and Navigation
Semiconductor Technology
Signal Processing
MIMO
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