Fujisawa, Takeshi Ultracompact, 160-Gbit/s transmitter optical subassembly based on 40-Gbit/s × 4 monolithically integrated light source. [electronic resource] - Optics express Jan 2013 - 182-9 p. digital Publication Type: Journal Article ISSN: 1094-4087 Standard No.: 10.1364/OE.21.000182 doi