What is the textbook for optical waveguide theory using matrix notation?

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The discussion revolves around finding a specific textbook on optical waveguide theory that utilizes matrix notation. A participant recalls using matrix notation during their course but cannot remember the textbook title or locate their notes. They seek assistance from others in identifying the correct source. One suggestion made is "Microoptics: From Technology to Applications" by Jürgen Jahns and Karl-Heinz Brenner, but it is noted that this is not the correct book. The thread highlights the challenge of recalling academic resources and the community's effort to assist in locating the right material.
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I remember using matrix notation in my course on optical waveguide theory many years ago. The lecturer was using a textbook which I cannot remember. I have since misplaced my course notes. I was wondering if anyone could direct me to the source textbook? The notation (Eq. 2.20) is attached (found on the web). Thanks in advance.
 
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