Abstract: A semiconductor laser diode that internally converts one or more short wavelength “pump” beams to an output beam at a longer wavelength using nonlinear optical frequency conversion in the semiconductor. Modal phase matching of the pump and output beams in a semiconductor waveguide allows the conversion process to proceed with high efficiency.

Abstract: A semiconductor diode laser that generates light at wavelengths longer than conventional diode lasers. The laser includes a first gain element that generates a first “pump” laser beam having a first optical frequency and a second gain element that generates a second “pump” laser beam having a second optical frequency. The first and second pump beams are mixed in a third section to create a wave of nonlinear polarization oscillating at the difference frequency of the first two beams. Power from this nonlinear polarization wave is coupled by a near-field phase grating to excite an electromagnetic output beam which propagates perpendicular to the laser axis. The frequency of this output beam may be much smaller than either pump beam.

Abstract: A semiconductor diode laser that generates light at wavelengths longer than conventional diode lasers. The laser includes a first gain element that generates a first “pump” laser beam having a first frequency and a second gain element that generates a second “pump” laser beam having a second frequency. A nonlinear frequency conversion section mixes the two beams to generate a third co-propagating optical beam at the difference frequency. To improve efficiency, the frequency conversion section is furnished with an array of charged electrodes that spatially modulate the nonlinear susceptibility and phase-match the three beams.

Abstract: A semiconductor diode laser that generates light at wavelengths longer than conventional diode lasers. The laser includes a first gain element that generates a first “pump” laser beam having a first optical frequency and a second gain element that generates a second “pump” laser beam having a second optical frequency. The first and second pump beams are mixed in a third section to create a wave of nonlinear polarization oscillating at the difference frequency of the first two beams. Power from this nonlinear polarization wave is coupled by a near-field phase grating to excite an electromagnetic output beam which propagates perpendicular to the laser axis. The frequency of this output beam may be much smaller than either pump beam.

Abstract: A semiconductor diode laser that generates light at wavelengths longer than conventional diode lasers. The laser includes a first gain element that generates a first “pump” laser beam having a first frequency and a second gain element that generates a second “pump” laser beam having a second frequency. A nonlinear frequency conversion section mixes the two beams to generate a third co-propagating optical beam at the difference frequency. To improve efficiency, the frequency conversion section is furnished with an array of charged electrodes that spatially modulate the nonlinear susceptibility and phase-match the three beams.

Abstract: The present invention, a monolithic, high power, single mode electro-optic device is disclosed. The electro-optic device generally includes an electrically pumped device with a pn junction and an optically pumped device evanescently coupled to the electrically pumped device. In operation the electrically pumped device is driven by an external source into a high energy state to emit photons at a first wavelength. The optically pumped device is at a low energy state so as to absorb the emitted photons and re-radiated light at a second wavelength.

Abstract: The present invention, a monolithic, high power, single mode electro-optic device is disclosed. The electro-optic device generally includes an electrically pumped device with a pn junction and an optically pumped device evanescently coupled to the electrically pumped device. In operation the electrically pumped device is driven by an external source into a high energy state to emit photons at a first wavelength. The optically pumped device is at a low energy state so as to absorb the emitted photons and re-radiated light at a second wavelength.