Wavelength tunable laser device
AssigneeFujitsu Optical Components Limited
InventorsHirotomo Izumi, Suguru Akiyama, Ayahito Uetake, Seimi Sasaki
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Abstract
A wavelength tunable laser device includes: a first mirror; a second mirror; an optical amplifier provided between the first mirror and the second mirror; a wavelength tunable filter provided between the first mirror and the second mirror; and an optical waveguide coupling the optical amplifier and the wavelength tunable filter. The optical waveguide includes a first waveguide formed with a first width and a second waveguide formed with a second width wider than the first width.
Claims9
A wavelength tunable laser device comprising:
- a first mirror;
- a second mirror;
- an optical amplifier provided between the first mirror and the second mirror;
- a wavelength tunable filter provided between the first mirror and the second mirror;
- and
- an optical waveguide coupling the optical amplifier and the wavelength tunable filter,
- wherein the optical waveguide includes a first waveguide formed with a first width and a second waveguide formed with a second width wider than the first width, the wavelength tunable filter is configured to transmit light generated by the optical amplifier to the second mirror and output the light reflected from the second mirror to the optical amplifier, the optical amplifier is configured to amplify the light output from the wavelength tunable filter and output the amplified light to the first mirror, and the first mirror is configured to output the light output from the optical amplifier as a laser light.
A wavelength tunable laser device comprising:
- a first mirror;
- a second mirror;
- an optical amplifier provided between the first mirror and the second mirror;
- a wavelength tunable filter provided between the first mirror and the second mirror and coupled to the optical amplifier;
- and
- an optical waveguide coupling the wavelength tunable filter and the second mirror,
- wherein the optical waveguide includes a first waveguide formed with a first width and a second waveguide formed with a second width wider than the first width, the wavelength tunable filter is configured to transmit light generated by the optical amplifier to the second mirror and output the light reflected from the second mirror to the optical amplifier, the optical amplifier is configured to amplify the light output from the wavelength tunable filter and output the amplified light to the first mirror, and the first mirror is configured to output the light output from the optical amplifier as a laser light.
Dependencies are inferred from the claim text.