<PAGE>

                                     EXHIBIT 11

                   SEMICONDUCTOR LASER INTERNATIONAL CORPORATION
                COMPUTATION OF WEIGHTED AVERAGE SHARES OUTSTANDING

                          PERIODS ENDED SEPTEMBER 30, 1996
                               "CHEAP STOCK" METHOD

<TABLE>
<CAPTION>

                                   SHARES ISSUED OR         SHARES REDEEMED USING       NINE MONTHS ENDED     THREE MONTHS ENDED
                                 WARRANTS AND OPTIONS       PROCEEDS FROM SHARES        SEPTEMBER 30, 1996    SEPTEMBER 30, 1996
                                   DEEMED EXERCISED        ISSUED DEEMED EXERCISED       WEIGHTED AVERAGE      WEIGHTED AVERAGE
                                                            OF WARRANTS & OPTIONS       SHARES OUTSTANDING    SHARES OUTSTANDING
                                 --------------------      -----------------------   ----------------------  --------------------

  <S>                               <C>                          <C>                        <C>                 <C>
  1993 SHARES OUTSTANDING (NOTE 1)      729,003                           0                     729,003             729,003
  1994 SHARES OUTSTANDING (NOTE 1)      192,344                           0                     192,344             192,344
  1995 SHARES OUTSTANDING (NOTE 1)      472,306                           0                     472,306             472,306
  1996 "CHEAP" STOCK                    150,000                     (59,000)                     91,000             150,000
  1996 WEIGHTED SHARES ISSUED IN
      IPO (NOTE 2)                    1,197,445                           0                   1,197,445           1,700,000
  1995 OPTIONS                           88,659                        (887)                     87,772              83,957
  1996 SHARES                           158,954                     (94,072)                     64,882              59,628
                                                                                              ----------          ----------
  WEIGHTED AVERAGE SHARES OUTSTANDING                                                         2,834,753           3,387,228
                                                                                              ==========          ==========

</TABLE>

  NOTE 1: SHARES AND WARRANTS ISSUED MORE THAN ONE YEAR PRIOR
          TO INITIAL PUBLIC OFFERING ("IPO")
  NOTE 2: COMPUTED USING THE WEIGHTED AVERAGE METHOD


                            PERIODS ENDED SEPTEMBER 30,1997

<TABLE>
<CAPTION>
                                                                      NINE MONTHS ENDED     THREE MONTHS ENDED
                                                                      SEPTEMBER 30, 1997    SEPTEMBER 30, 1997
                                          SHARES ISSUED AND            WEIGHTED AVERAGE      WEIGHTED AVERAGE 
                                             OUTSTANDING              SHARES OUTSTANDING    SHARES OUTSTANDING
                                          -----------------           -------------------   -------------------
<S>                                        <C>                            <C>                   <C>
  COMMON SHARES ISSUED AND
    OUTSTANDING JANUARY 1, 1997              3,409,607                      3,409,607             3,409,607
  COMMON SHARES ISSUED JANUARY 10,
    1997                                       120,000                        116,044               120,000
  COMMON SHARES ISSUED FEBRUARY 9,
    1997                                         1,231                          1,055                 1,231
  COMMON SHARES ISSUED MAY 19, 1997              9,851                          4,871                 9,851
  COMMON SHARES ISSUED JULY 3, 1997             29,553                          9,743                28,911
                                                                            ----------            ----------
  WEIGHTED AVERAGE SHARES OUTSTANDING                                       3,541,320             3,569,600
                                                                            ==========            ==========

</TABLE>