Back to results
US 2026/0171750 A1Published application
Tunable laser with channel selector
AssigneeTerabix, Inc.
InventorsAndrew Daiber, Sergei Sochava
Life of this patent
Estimating the term…
Abstract
Systems and methods here may include improved tunable lasers having a tunable filter and a tunable channel selector that can control precisely the wavelength and the bandwidth of the light emitted by the laser, while suppressing light that may otherwise be emitted by the laser outside the desired wavelength and bandwidth with unidirectional ring lasers having a resonator of which forms a ring and where light propagates only in one of the two possible directions.
Claims17
A tunable laser comprising:
- a ring-shaped laser cavity;
- an infinite impulse response filter disposed inside the ring-shaped laser cavity;
- and
- a tunable channel selector disposed inside the ring-shaped laser cavity, the tunable channel selector including multiple stages, wherein each of the multiple stages of the tunable channel selector are tuned to have transmission peaks at a pre-determined wavelength, wherein at least one of the multiple stages comprises a free spectral range that is at least twice a free spectral range of a previous stage included in the multiple stages, wherein a total roundtrip transmission through the infinite impulse response filter and the tunable channel selector are within a threshold range of an operating point.
1 more element
A tunable filter system comprising:
- an infinite impulse response filter positioned in an incident laser beam, the infinite impulse response filter configured to intake the incident laser beam and split the incident laser beam to a through port and a loss port;
- and
- multiple detectors positioned in the loss port, wherein each of the multiple detectors are configured to intercept the split portion of the incident laser beam, wherein each detector is configured to generate a detector signal, and wherein detector signals are generated such that a difference between the multiple detector signals generated by the multiple detectors is an error signal that indicates a degree of detuning of the incident laser beam.
A laser comprising:
- a laser cavity;
- and
- a photonic tuner, the photonic tuner including:
- an integrated infinite impulse response filter;
- and
- a tunable channel selector.
3 more elements
Dependencies are inferred from the claim text.