APA (7th ed.) Citation

Liu, J., Sun, X., Kimerling, L. C., & Michel, J. (2009). Direct-gap optical gain of Ge on Si at room temperature. Optics letters, 34(11), 1738. https://doi.org/10.1364/ol.34.001738

Chicago Style (17th ed.) Citation

Liu, Jifeng, Xiaochen Sun, Lionel C. Kimerling, and Jurgen Michel. "Direct-gap Optical Gain of Ge on Si at Room Temperature." Optics Letters 34, no. 11 (2009): 1738. https://doi.org/10.1364/ol.34.001738.

MLA (9th ed.) Citation

Liu, Jifeng, et al. "Direct-gap Optical Gain of Ge on Si at Room Temperature." Optics Letters, vol. 34, no. 11, 2009, p. 1738, https://doi.org/10.1364/ol.34.001738.