Source: Live Science Understanding Single-Atom Lasers Single-atom lasers are a fascinating area of research in the field of quantum optics. Unlike traditional lasers that utilize a large number of laser-active atoms or ions in the gain medium, single-atom lasers operate with just a single atom as the entire gain medium. This unique setup allows scientists […]
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Source: European Space Agency The Role of Reference Cavities in Optical Frequency Standards Introduction A reference cavity is a passive optical resonator used in optical frequency standards to stabilize the optical frequency of a laser. This stabilization is essential for achieving high-frequency stability in various applications. Frequency Stabilization Mechanism The optical frequency of a laser
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Source: Instagram Enhancement Cavities in Photonics Enhancement Cavities in Photonics Overview An enhancement cavity is an optical resonator used to enhance optical power or intensity through resonance. This technology is commonly employed for efficient nonlinear frequency conversion in photonics applications. Functionality Enhancement cavities work by resonating with incident light, allowing for a significant increase in
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Source: Allelco Understanding Q Factor in Resonators The Q Factor in Resonators Introduction The Q factor (quality factor) of a resonator is a crucial parameter that characterizes the damping of its oscillations or the relative linewidth. Originally used in electronic circuits and microwave cavities, the concept of Q factor has also found significance in optical
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Source: Amazing Smiles Understanding Optical Resonators Understanding Optical Resonators Introduction to Optical Resonators Optical resonators, also known as cavities, play a crucial role in various optical systems. While the term “cavity” is borrowed from microwave technology, optical resonators differ in their design, often featuring open setups with reflective surfaces at specific points. Types of Optical
Source: almerja.com Cavity Dumping in Lasers Cavity Dumping in Lasers Cavity Dumping for Nanosecond Pulses Cavity dumping is a technique used in lasers for generating intense light pulses. In this method, an optical switch called a “cavity dumper” is employed to extract the built-up pulse from the laser resonator. This process is beneficial for overcoming
Source: YouTube Understanding VCSELs: A Comprehensive Guide Understanding VCSELs: A Comprehensive Guide Introduction to VCSELs Vertical-Cavity Surface-Emitting Lasers (VCSELs) are semiconductor lasers that have a unique design with a monolithic laser resonator. Unlike traditional laser diodes, VCSELs emit light perpendicular to the chip surface, allowing for efficient light emission. Working Principle of VCSELs VCSELs utilize
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