{"isbn_13": ["9780123951731"], "subtitle": "Systems and Impairments (Optics and Photonics)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Academic Press"], "number_of_pages": 1022, "first_sentence": {"type": "/type/text", "value": "Modern lightwave communications had its origin in the first demonstrations of the laser in 1960."}, "isbn_10": ["0123951739"], "publish_date": "April 15, 2002", "key": "/b/OL7327673M", "title": "Optical Fiber Telecommunications IV-B", "contributions": ["Ivan P. Kaminow (Editor)", "Tingye Li (Editor)"], "id": 9986976, "revision": 1}