HIGH EFFICIENCY FIBER OPTICAL PARAMETRIC OSCILLATOR

摘要

An optical apparatus that includes an optical source that generates a first optical pulse with a first optical wavelength. The optical apparatus also includes an optical amplifier that outputs an amplified pulse. The optical apparatus also includes a first waveguide that is connected to the optical amplifier and a second waveguide. Wherein the second waveguide converts the energy of the amplified pulse into energy of a second pulse that has a second optical wavelength different from the first optical wavelength. Wherein, the following equation is satisfied: L_min≦L≦π/γP. In which a length of the first waveguide is L, a nonlinear coefficient of the first waveguide is γ, a peak power of the amplified pulse as it is received by the first waveguide is P, and a minimum length of the first waveguide is L_min or L is equal to zero.

主权项

1. An optical apparatus comprising:
an optical source that generates a first optical pulse with a first optical wavelength; an optical amplifier that amplifies the first optical pulse and outputs an amplified pulse with the first optical wavelength; a first waveguide that is connected to the optical amplifier which receives the amplified pulse; a second waveguide that is connected to the first waveguide and receives the amplified pulse, wherein the second waveguide converts the energy of the amplified pulse into energy of a second pulse while a relative center position of the second pulse for the amplified pulse is crossing a center position of the amplified pulse in a first direction, wherein the second pulse has a second optical wavelength different from the first optical wavelength; wherein the amplifier, the first waveguide, and the second waveguide, and additional components form an optical loop which feeds the second pulse back to the amplifier, the first waveguide, and the second waveguide; an output coupler to output a portion of the second pulse outside of the optical loop; wherein the following equation is satisfied:
Lmin≦L≦π/γP, in which a length of the first waveguide is L, a nonlinear coefficient of the first waveguide is γ, a peak power of the amplified pulse as it is received by the first waveguide is P, and a minimum length of the first waveguide is Lmin.