Explain the subject of the work (Quantum well lasers), the fiscal principle behind the operation

Explain the subject of the work (Quantum well lasers), the fiscal principle behind the operation Explain how advanced today is with the subject of work (Quantum well lasers) More detailed: To explain the topic of the work I found the entry: https://en.wikipedia.org/wiki/Quantum_well_laser It should be summed up to the number of one / two pages. 2. The fiscal principle behind the operation – should be accompanied by equations / pictures, for this purpose you can use several articles I found on the Internet, you can also make comparisons between the articles It should be summed up to an amount of 8/9 pages. 3. One page of bibliography, from which articles the work was made. General Comments: Below each picture should appear a number, a caption that explains the picture and of course Reference to the source from which you took it. An image will not appear without reference to it in the text. Each formula will be numbered in ascending order.