"Aspheric waveguide lenses for photonic integrated circuits," J. M. Verdiell et al., Applied Physics Letters, vol. 62, No. 8 22 Feb. 1993, pp. 808-810. |
"High Power, Strained-Layer Amplifiers and Lasers with Tapered Gain Regions," E. S. Kintzer et al., IEEE Photonics Technology Letters, vol. 5, No. 6, Jun. 1993, pp. 605-608. |
"High Temperature Operation of InGaAs Strained Quantum-Well Lasers," R. J. Fu et al., IEEE Photonics Technology Letters, vol. 3, No. 4, Apr. 1991, pp. 308-310. |
Patent application Ser. No. 08/368479, filed on Jun. 30, 1994 by K. Liou, entitled "Semiconductor Amplifier Or Laser Having Integrated Lens," and which was allowed on Apr. 4, 1995. Comment: Technological background of the invention. |
S. O'Brien et al., "1.3 W CW, diffraction-limited monolithically integrated master oscillator flared amplifier at 863 nm," Electronics Letters, vol. 29, No. 24, 25 Nov. 1993, pp. 2109-2110. Technological background of the invention. |
E. S. Kintzer et al., "High-Power, Strained-Layer Amplifiers and Lasers with Tapered Gain Regions," IEEE Photonics Technology Letters, vol. 5, No. 6, Jun. 1993, pp. 605-608. Technological background of the invention. |