An aperture stop stabilizes optically pumped semiconductor laser output, smoothing erratic power variation during resonator length adjustments.
Spaced refractive elements shift Fourier space components outside the measurement passband, reducing noise interference in spectral imaging.
A quantum cascade laser frequency comb spectrometer uses vertical transition active regions to produce stable optical outputs.
Controller adjusts pulsed laser wavelength chirping to overlap amplifier gain bandwidth.
A compact tunable laser device uses a folded resonator cavity to fit within a TO package.
A laser system merges external resonators using a shared diffractive optical element and partially reflective mirror to couple beams.
A semiconductor saturable absorber modulator achieves high linearity through positive voltage negative current biasing.
External cavity lasers replace mechanical tuning to resolve frequency speed and stability trade-offs in optical phase lock loops.
A wavelength swept light source uses an electro-optic deflector driven by a composite voltage waveform to generate linear optical sweeps.
A semiconductor ring laser monolithically integrates with a master laser to enable injection locking.
Segmented absorption layers suppress optical noise from scattered light while preserving signal intensity and operation current.
A wavelength-tunable laser system maintains relative referencing between target and reference gas absorption lines using dynamic base current adjustments.
A tunable distributed feedback semiconductor laser uses reconstruction-equivalent chirp to integrate multiple sections for wide wavelength tuning.
A semiconductor laser with a monolithic reflector directs light onto a carrier lens for optical coupling.
Flip-bonding a laser diode directly to a silicon wafer eliminates wirebond inductance, resolving impedance mismatch for high-speed optical transceivers.
A nanowire laser structure uses a spaced body element to achieve high spontaneous emission factors.
Automatic bias control logic adjusts electro-absorption modulator voltage to maintain optimal modulation performance.
An inclined semiconductor interface redirects reverse light away from an optical waveguide to reduce internal reflection.
Segmented mirrors with varying reflectivity reduce beam divergence and roughness sensitivity in single photon emission.
A compact pump laser package integrates a wavelength division multiplexer, isolator, and photodetector to route optical signals.
Segmenting the photovoltaic power source and adding a voltage amplifier reduces driving voltage requirements, lowering component complexity and cost.
A self mode locking semiconductor disk laser uses an optical Kerr lensing layer to initiate stable oscillation without external elements.